3393 lines
164 KiB
HTML
3393 lines
164 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1997, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="owner" content="RCHCLERK@us.ibm.com" />
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<title>S</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="s"></a>
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<h2 id="s">S</h2>
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<p>Return to <a href="as4glos.htm#as4glos">Glossary</a>.</p>
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<dl>
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<dt id="x2037597" class="bold">
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<a name="x2037597"></a>SA</dt>
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<dd>See <a href="rzaats.htm#x2038014">Security
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Association</a>.</dd>
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<dt id="x2037601" class="bold">
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<a name="x2037601"></a>SABM</dt>
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<dd>See <a href="rzaats.htm#x2038589">set
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asynchronous balanced mode</a>.</dd>
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<dt id="x2037605" class="bold">
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<a name="x2037605"></a>SABME</dt>
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<dd>See <a href="rzaats.htm#x2038584">set asynchronous balanced mode extended</a>.</dd>
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<dt id="x2037609" class="bold">
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<a name="x2037609"></a>sample line</dt>
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<dd>In RLU, a record that
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represents data and gives a user's report prototype a more realistic appearance
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but for which the user does not create data description specifications (DDS).</dd>
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<dt id="x2037614" class="bold">
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<a name="x2037614"></a>SAN</dt>
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<dd>(1) See <a href="rzaats.htm#x2039894">storage
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area network</a>.</dd>
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<dd>(2) See <a href="rzaats.htm#x2040581">system area network</a>.</dd>
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<dt id="x2037618" class="bold">
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<a name="x2037618"></a>SAP</dt>
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<dd>(1) See <a href="rzaats.htm#x2038360">service
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access point</a>.</dd>
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<dd>(2) See <a href="rzaats.htm#x2038368">Service Advertising
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Protocol</a>.</dd>
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<dt id="x2037624" class="bold">
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<a name="x2037624"></a>SAP selector</dt>
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<dd>An external identifier
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for a service access point.</dd>
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<dt id="x2037629" class="bold">
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<a name="x2037629"></a>saturation</dt>
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<dd>The amounts of color and
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gray in a hue that affect its vividness; that is, a hue with high saturation
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contains more color and less gray than a hue with low saturation.</dd>
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<dt id="x2037634" class="bold">
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<a name="x2037634"></a>save</dt>
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<dd>To copy specific objects, libraries,
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or data by transferring them from main storage or auxiliary storage to media
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such as optical disc, tape, diskette, or a save file. See also <a href="rzaatr.htm#x2004302">restore</a>.</dd>
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<dt id="x2037639" class="bold">
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<a name="x2037639"></a>save file</dt>
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<dd>(1) In Backup Recovery and
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Media Services, an online file allocated on direct access storage for use
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as interim or short-term storage before off-loading to removable media or
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permanently deleting.</dd>
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<dd>(2) A file allocated in auxiliary storage that
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can be used to store saved data on disk (without requiring diskettes or tapes),
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to do I/O operations from a high-level language program, or to receive objects
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sent through the network. The system-recognized identifier for the object
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type is *FILE.</dd>
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<dt id="x2037647" class="bold">
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<a name="x2037647"></a>save/restore media</dt>
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<dd>The diskette or
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the tape that the user uses to save and restore the files, folders, or libraries.</dd>
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<dt id="x2037652" class="bold">
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<a name="x2037652"></a>save storage</dt>
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<dd>An operation that copies
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(sector by sector) all permanent data from configured disk units to tape.</dd>
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<dt id="x2037657" class="bold">
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<a name="x2037657"></a>save system authority</dt>
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<dd>A special authority
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that allows the user to save and restore all objects on the system and free
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storage of all objects on the system.</dd>
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<dt id="x2037662" class="bold">
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<a name="x2037662"></a>save-while-active operation</dt>
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<dd>An operation
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that the user runs to save objects while application programs that change
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the objects are running. See also <a href="rzaatd.htm#x2019899">dedicated save operation</a>.</dd>
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<dt id="x2210888" class="bold">
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<a name="x2210888"></a>SAVSYS tape</dt>
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<dd>A tape that is generated
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by the SAVSYS command, on which system data is recorded and saved.</dd>
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<dt id="x2009617" class="bold">
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<a name="x2009617"></a>SBCS</dt>
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<dd>See <a href="rzaats.htm#x2004617">single-byte
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character set</a>.</dd>
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<dt id="x2037669" class="bold">
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<a name="x2037669"></a>SBCS data</dt>
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<dd>In DB2® UDB for iSeries™, data that is associated with a single-byte character set.</dd>
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<dt id="x2037679" class="bold">
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<a name="x2037679"></a>scalable</dt>
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<dd>Pertaining to a server's
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ability to increase its capacity to distribute information or data as demand
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heightens.</dd>
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<dt id="x2037684" class="bold">
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<a name="x2037684"></a>scalar</dt>
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<dd>(1) A type of program object that
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contains either string or numeric data. It provides the byte string it is
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mapped to with representation and operational characteristics. See also <a href="rzaatp.htm#x2033916">pointer</a>.</dd>
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<dd>(2) Pertaining to a single data item.</dd>
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<dt id="x2004437" class="bold">
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<a name="x2004437"></a>scalar function</dt>
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<dd>An SQL function that
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optionally accepts arguments and that returns a single scalar value each time
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that it is invoked. A scalar function can be referenced in an SQL statement
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wherever an expression is valid. See also <a href="rzaata.htm#x2000113">aggregate
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function</a>, <a href="rzaatt.htm#x2005066">table function</a>.</dd>
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<dt id="x2004442" class="bold">
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<a name="x2004442"></a>scale</dt>
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<dd>(1) In the GDDM® function, the
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number and progression of ticks along a vertical or horizontal axis.</dd>
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<dd>(2) In the GDDM function, to enlarge an image or marker.</dd>
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<dd>(3) The number
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of digits in the fractional part of a number.</dd>
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<dt id="x2037703" class="bold">
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<a name="x2037703"></a>scale factor</dt>
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|
<dd>A number that indicates
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the position of the decimal point in a real number.</dd>
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<dt id="x2037708" class="bold">
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<a name="x2037708"></a>scale line</dt>
|
|
<dd>In Query, a line at the
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top of a report that shows column positions.</dd>
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<dt id="x2037713" class="bold">
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<a name="x2037713"></a>scaling</dt>
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<dd>A process by which an image
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is reduced or enlarged in size to fit a given area on the display.</dd>
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|
<dt id="x2037718" class="bold">
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<a name="x2037718"></a>scan line</dt>
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<dd>(1) In a laser printer, one
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|
horizontal sweep of the laser beam across the photoconductor.</dd>
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<dd>(2) A single row of picture elements (pels or pixels) that are typically arranged
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|
horizontally and are scanned sequentially.</dd>
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<dt id="x2037726" class="bold">
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<a name="x2037726"></a>scanner</dt>
|
|
<dd>A device that examines text,
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|
graphics, or bar code patterns and generates electrical signals corresponding
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to the pattern. It sends the signals to a computing device for processing.</dd>
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<dt id="x2037731" class="bold">
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<a name="x2037731"></a>scatter plot</dt>
|
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<dd>A variety of line chart
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|
in which only the marked points, and not their joining lines, are drawn.</dd>
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<dt id="x2065878" class="bold">
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<a name="x2065878"></a>SCB</dt>
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<dd>See <a href="rzaats.htm#x2039994">string
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control byte</a>.</dd>
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<dt id="x2037739" class="bold">
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<a name="x2037739"></a>scheduled job</dt>
|
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<dd>(1) A batch job that is
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|
submitted with a value other than *CURRENT for the schedule date and schedule
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time parameters.</dd>
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<dd>(2) A batch job that becomes eligible to run at a
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specified date and time.</dd>
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|
<dt id="x2037747" class="bold">
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|
<a name="x2037747"></a>scheduling parameter</dt>
|
|
<dd>Information
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|
that describes the prioritization characteristics of a thread.</dd>
|
|
<dt id="x2037752" class="bold">
|
|
<a name="x2037752"></a>scheduling policy</dt>
|
|
<dd>Information that
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|
describes the algorithm that will be used to prioritize threads that are running
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|
within the current process or operating system.</dd>
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<dt id="x2004447" class="bold">
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|
<a name="x2004447"></a>schema</dt>
|
|
<dd>A collection of database objects
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such as tables, views, indexes, or triggers that define a database. A database
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schema provides a logical classification of database objects.</dd>
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<dt id="x2037763" class="bold">
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<a name="x2037763"></a>scope</dt>
|
|
<dd>(1) A specification of the boundary
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|
within which system resources can be used.</dd>
|
|
<dd>(2) In the C language,
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|
the range within a program in which a declaration is known.</dd>
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|
<dd>(3) Information
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|
that is used to describe whether the scheduling policy indicates that threads
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|
compete directly with other threads within the process or within the system.</dd>
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|
<dd>(4) The extent to which the semantic effects of language statements
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|
reach. The scope may be to the job or to the activation group.</dd>
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|
<dd>(5) The level to which a commitment control definition applies.</dd>
|
|
<dt id="x2037781" class="bold">
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|
<a name="x2037781"></a>scope of control</dt>
|
|
<dd>See <a href="rzaatn.htm#x2031367">network management domain</a>.</dd>
|
|
<dt id="x2037786" class="bold">
|
|
<a name="x2037786"></a>SCPF</dt>
|
|
<dd>See <a href="rzaats.htm#x2039757">start-control-program-function
|
|
job</a>.</dd>
|
|
<dt id="x2189104" class="bold">
|
|
<a name="x2189104"></a>SCPF job</dt>
|
|
<dd>See <a href="rzaats.htm#x2039757">start-control-program-function job</a>.</dd>
|
|
<dt id="x2065921" class="bold">
|
|
<a name="x2065921"></a>screen</dt>
|
|
<dd>The physical surface of a
|
|
display device upon which information is shown to a user.</dd>
|
|
<dt id="x2037800" class="bold">
|
|
<a name="x2037800"></a>screen design aid (SDA)</dt>
|
|
<dd>A function
|
|
of an application development program that helps the user design, create,
|
|
and maintain displays and menus.</dd>
|
|
<dt id="x2037805" class="bold">
|
|
<a name="x2037805"></a>screen edit mode</dt>
|
|
<dd>In AFP™ Utilities, the
|
|
mode that allows a user to design and edit an overlay.</dd>
|
|
<dt id="x2037810" class="bold">
|
|
<a name="x2037810"></a>screen view</dt>
|
|
<dd>In AFP Utilities, the
|
|
presentation of a display shown while a user is in screen edit mode.</dd>
|
|
<dt id="x2037815" class="bold">
|
|
<a name="x2037815"></a>scriptlet</dt>
|
|
<dd>A mechanism for adding
|
|
scripting language fragments to a source file.</dd>
|
|
<dt id="x2037820" class="bold">
|
|
<a name="x2037820"></a>scroll</dt>
|
|
<dd>To move a display image vertically
|
|
or horizontally to view data that is not otherwise visible in a display screen
|
|
or window.</dd>
|
|
<dt id="x2037825" class="bold">
|
|
<a name="x2037825"></a>scrollable cursor</dt>
|
|
<dd>A cursor that is
|
|
declared with the SCROLL keyword.</dd>
|
|
<dt id="x2037830" class="bold">
|
|
<a name="x2037830"></a>scroll bar</dt>
|
|
<dd>A part of a window that
|
|
shows a user that more information is available in a particular direction
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|
and can be moved into view by using a pointing device or the page keys.</dd>
|
|
<dt id="x2065946" class="bold">
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|
<a name="x2065946"></a>SCSI</dt>
|
|
<dd>See <a href="rzaats.htm#x2143798">Small
|
|
Computer System Interface</a>.</dd>
|
|
<dt id="x2037839" class="bold">
|
|
<a name="x2037839"></a>SDA</dt>
|
|
<dd>See <a href="rzaats.htm#x2037800">screen
|
|
design aid</a>.</dd>
|
|
<dt id="x2093719" class="bold">
|
|
<a name="x2093719"></a>sdb</dt>
|
|
<dd>See <a href="rzaats.htm#x2040414">symbolic
|
|
debugger</a>.</dd>
|
|
<dt id="x2037843" class="bold">
|
|
<a name="x2037843"></a>SDDM</dt>
|
|
<dd>See <a href="rzaats.htm#x2039363">source
|
|
distributed data manager</a>.</dd>
|
|
<dt id="x2209701" class="bold">
|
|
<a name="x2209701"></a>SDLC</dt>
|
|
<dd>See <a href="rzaats.htm#x2067687">Synchronous
|
|
Data Link Control</a>.</dd>
|
|
<dt id="x2037851" class="bold">
|
|
<a name="x2037851"></a>SDT</dt>
|
|
<dd>See <a href="rzaats.htm#x2191012">start
|
|
data traffic</a>.</dd>
|
|
<dt id="x2037856" class="bold">
|
|
<a name="x2037856"></a>SDU</dt>
|
|
<dd>See <a href="rzaats.htm#x2038388">service
|
|
data unit</a>.</dd>
|
|
<dt id="x2037860" class="bold">
|
|
<a name="x2037860"></a>search argument</dt>
|
|
<dd>(1) In RPG, data for
|
|
which you want to find a match or a greater than or less than quantity in
|
|
a table or array. The search argument is specified in the lookup statement.</dd>
|
|
<dd>(2) In RPG, a literal or field name specified in factor 1 of certain
|
|
file operations (such as CHAIN) that identifies the record to be processed.</dd>
|
|
<dt id="x2004458" class="bold">
|
|
<a name="x2004458"></a>search condition</dt>
|
|
<dd>A criterion for
|
|
selecting rows from a table. A search condition consists of one or more predicates.</dd>
|
|
<dt id="x2037868" class="bold">
|
|
<a name="x2037868"></a>search handle</dt>
|
|
<dd>For iSeries Access, a
|
|
number returned by the system to an application program when the application
|
|
program requests a search. The search handle is used by the application program
|
|
to request subsequent searches.</dd>
|
|
<dt id="x2037873" class="bold">
|
|
<a name="x2037873"></a>search index</dt>
|
|
<dd>An index of related
|
|
topics that can be searched or browsed. The system-recognized identifier for
|
|
the object type is *SCHIDX.</dd>
|
|
<dt id="x2037878" class="bold">
|
|
<a name="x2037878"></a>search index database</dt>
|
|
<dd>The database
|
|
files used by document library services for storing descriptive information
|
|
about documents and folders (such as keywords, subjects, dates, and so forth).
|
|
These database files are used when a search of the document library is requested
|
|
on one or more document descriptors.</dd>
|
|
<dt id="x2037883" class="bold">
|
|
<a name="x2037883"></a>search path</dt>
|
|
<dd>In the Application Development
|
|
Manager feature of the Application Development ToolSet licensed program, the
|
|
order that groups are to be searched when the product looks for parts in a
|
|
project hierarchy.</dd>
|
|
<dt id="x2037888" class="bold">
|
|
<a name="x2037888"></a>search value</dt>
|
|
<dd>User-defined information
|
|
that is used either to make a list of filed documents with similar document
|
|
details or content, or to find a directory entry.</dd>
|
|
<dt id="x2037893" class="bold">
|
|
<a name="x2037893"></a>seat</dt>
|
|
<dd>To fit correctly into position.</dd>
|
|
<dt id="x2037898" class="bold">
|
|
<a name="x2037898"></a>secondary axis</dt>
|
|
<dd>In the GDDM function, a
|
|
horizontal or vertical axis drawn parallel to the primary axis and capable
|
|
of having a title, ticks, and labels different from those of the primary axis.
|
|
See also <a href="rzaatp.htm#x2034434">primary axis</a>.</dd>
|
|
<dt id="x2210546" class="bold">
|
|
<a name="x2210546"></a>secondary disk pool</dt>
|
|
<dd>An independent
|
|
disk pool that defines a collection of directories and libraries and must
|
|
be associated with a primary disk pool.</dd>
|
|
<dt id="x2037903" class="bold">
|
|
<a name="x2037903"></a>secondary domain</dt>
|
|
<dd>The domain that
|
|
is defined by the DNS domain database file that a secondary name server has
|
|
obtained from a master name server.</dd>
|
|
<dt id="x2037908" class="bold">
|
|
<a name="x2037908"></a>secondary file</dt>
|
|
<dd>(1) In RPG, any input
|
|
file other than the primary file.</dd>
|
|
<dd>(2) For certain types of join operations
|
|
using Query, all files except the first file that are joined in a query definition
|
|
for the purpose of getting data.</dd>
|
|
<dd>(3) In the DDS for a join logical
|
|
file, any physical file, other than the first physical file, that is specified
|
|
on the JFILE keyword. See also <a href="rzaatp.htm#x2034444">primary file</a>.</dd>
|
|
<dt id="x2037919" class="bold">
|
|
<a name="x2037919"></a>secondary language</dt>
|
|
<dd>One or more additional
|
|
national languages that can be installed on the system to display and print
|
|
information. See also <a href="rzaatp.htm#x2034478">primary language</a>.</dd>
|
|
<dt id="x2210899" class="bold">
|
|
<a name="x2210899"></a>secondary link</dt>
|
|
<dd>The optical connection
|
|
between two remote bus adapter cards.</dd>
|
|
<dt id="x2037929" class="bold">
|
|
<a name="x2037929"></a>secondary logical unit (SLU)</dt>
|
|
<dd>In SNA,
|
|
the logical unit that contains the secondary half-session for one logical
|
|
unit-to-logical unit (LU-to-LU) session. An LU may contain secondary and
|
|
primary half-sessions for different active LU-LU sessions. See also <a href="rzaatp.htm#x2034493">primary logical unit</a>.</dd>
|
|
<dt id="x2037934" class="bold">
|
|
<a name="x2037934"></a>secondary name server</dt>
|
|
<dd>A name server
|
|
that gets its domain data from a primary name server by way of a zone transfer.</dd>
|
|
<dt id="x2037944" class="bold">
|
|
<a name="x2037944"></a>secondary part</dt>
|
|
<dd>In the Application
|
|
Development Manager feature of the Application Development ToolSet licensed
|
|
program, a secondary part is the part created when the information for the
|
|
primary part is processed by the Build Part (BLDPART) command.</dd>
|
|
<dt id="x2037924" class="bold">
|
|
<a name="x2037924"></a>secondary partition</dt>
|
|
<dd>A logical partition
|
|
that has certain dependencies on the primary logical partition, but otherwise
|
|
is independent from the primary logical partition. For example, a secondary
|
|
logical partition may be powered off and on, dumped, or installed without
|
|
affecting other logical partitions.</dd>
|
|
<dt id="x2037949" class="bold">
|
|
<a name="x2037949"></a>secondary referential constraint</dt>
|
|
<dd>The constraint that occurs when a unique constraint or a primary key constraint
|
|
is added to file that is a parent file in a defined referential constraint
|
|
relationship. The referential constraint is regarded as secondary processing
|
|
because the primary request is for the processing of the unique constraint
|
|
or the primary key constraint.</dd>
|
|
<dt id="x2037954" class="bold">
|
|
<a name="x2037954"></a>secondary system name</dt>
|
|
<dd>An alternative
|
|
system name that can be used to identify a system in a SNADS network. See
|
|
also <a href="rzaatp.htm#x2034543">primary system name</a>.</dd>
|
|
<dt id="x2037959" class="bold">
|
|
<a name="x2037959"></a>secondary system name table</dt>
|
|
<dd>In SNADS,
|
|
the table containing all the system names that can be used to identify the
|
|
local system for distributions arriving on the system.</dd>
|
|
<dt id="x2037964" class="bold">
|
|
<a name="x2037964"></a>secondary thread</dt>
|
|
<dd>Any thread that
|
|
is started by, or on behalf of, the application that is not the initial thread.
|
|
See also <a href="rzaati.htm#x2025336">initial thread</a>.</dd>
|
|
<dt id="x2037969" class="bold">
|
|
<a name="x2037969"></a>secondary window</dt>
|
|
<dd>A window that obtains
|
|
or displays supplemental information that is often related to the objects
|
|
that appear in a primary window. Dialog boxes and message boxes are secondary
|
|
windows.</dd>
|
|
<dt id="x2004478" class="bold">
|
|
<a name="x2004478"></a>section</dt>
|
|
<dd>In COBOL, a set of zero,
|
|
one, or more paragraphs or entries preceded by a section header. Each section
|
|
consists of a section header and the related section body.</dd>
|
|
<dt id="x2037982" class="bold">
|
|
<a name="x2037982"></a>sector</dt>
|
|
<dd>(1) In disk storage, an addressable
|
|
subdivision of a track used to record one block of a program or data.</dd>
|
|
<dd>(2) The smallest amount of information that can be written to or read from
|
|
a disk or diskette during a single read or write operation.</dd>
|
|
<dt id="x2037990" class="bold">
|
|
<a name="x2037990"></a>secure</dt>
|
|
<dd>To control who can use and
|
|
to what extent an object can be used by controlling the authority given to
|
|
the user.</dd>
|
|
<dt id="x2047137" class="bold">
|
|
<a name="x2047137"></a>Secure Electronic Transaction (SET)</dt>
|
|
<dd>An industry standard for secure credit card and debit card payments over open
|
|
networks such as the Internet. The SET protocol ensures confidentiality of
|
|
information, integrity of all transmitted data, authentication of the cardholder
|
|
and the merchant, and interoperability.</dd>
|
|
<dt id="x2210483" class="bold">
|
|
<a name="x2210483"></a>Secure Hash Algorithm (SHA)</dt>
|
|
<dd>An encryption
|
|
method in which data is encrypted in a way that is mathematically impossible
|
|
to reverse. Different data can possibly produce the same hash value, but there
|
|
is no way to use the hash value to determine the original data.</dd>
|
|
<dt id="x2037999" class="bold">
|
|
<a name="x2037999"></a>secure network</dt>
|
|
<dd>A set of nodes that
|
|
are controlled by a single administrative party. See also <a href="rzaatn.htm#x2031663">nonsecure network</a>.</dd>
|
|
<dt id="x2038004" class="bold">
|
|
<a name="x2038004"></a>Secure Sockets Layer (SSL)</dt>
|
|
<dd>A security
|
|
protocol that provides communication privacy. With SSL, client/server applications
|
|
can communicate in a way that is designed to prevent eavesdropping, tampering,
|
|
and message forgery.</dd>
|
|
<dt id="x2038009" class="bold">
|
|
<a name="x2038009"></a>security administrator authority</dt>
|
|
<dd>A special authority that allows a user to add users to the system distribution
|
|
directory, to create and change user profiles, to add and remove access codes,
|
|
and to perform office tasks, such as delete documents, folders, and document
|
|
lists, and change distribution lists for other users.</dd>
|
|
<dt id="x2038014" class="bold">
|
|
<a name="x2038014"></a>Security Association (SA)</dt>
|
|
<dd>A contract
|
|
between a local key server and a remote key server. This contract protects
|
|
data exchanges.</dd>
|
|
<dt id="x2038019" class="bold">
|
|
<a name="x2038019"></a>security DST capability</dt>
|
|
<dd>A dedicated
|
|
service tools (DST) capability used by a service representative or an experienced
|
|
system user that provides access to all DST functions.</dd>
|
|
<dt id="x2038024" class="bold">
|
|
<a name="x2038024"></a>security officer</dt>
|
|
<dd>A person assigned
|
|
to control all of the security authorizations provided with the system. A
|
|
security officer can, for example, remove password or resource security or
|
|
add, change, or remove security information about any system user.</dd>
|
|
<dt id="x2038029" class="bold">
|
|
<a name="x2038029"></a>security policy</dt>
|
|
<dd>A written document
|
|
that defines the security controls that you institute for your computer systems.
|
|
A security policy describes the risks that you intend these controls to minimize
|
|
and the actions that should be taken if someone breaches your security controls.</dd>
|
|
<dt id="x2038034" class="bold">
|
|
<a name="x2038034"></a>Security Policy Index (SPI)</dt>
|
|
<dd>A value
|
|
that the local systems and remote systems use to identify a particular Security
|
|
Association (SA).</dd>
|
|
<dt id="x2038039" class="bold">
|
|
<a name="x2038039"></a>security-relevant</dt>
|
|
<dd>Pertaining to anything
|
|
that occurs on the system that affects, either positively or negatively, the
|
|
safety and integrity of the system's processes and data.</dd>
|
|
<dt id="x2038049" class="bold">
|
|
<a name="x2038049"></a>seed</dt>
|
|
<dd>A value that adds randomness
|
|
to the creation of pseudorandom numbers.</dd>
|
|
<dt id="x2038054" class="bold">
|
|
<a name="x2038054"></a>seek</dt>
|
|
<dd>To position the read/write head
|
|
of a disk unit or a diskette unit.</dd>
|
|
<dt id="x2038059" class="bold">
|
|
<a name="x2038059"></a>segment</dt>
|
|
<dd>(1) One or more contiguous elements
|
|
of a string.</dd>
|
|
<dd>(2) For TCP/IP, the unit of end-to-end transmission in
|
|
the TCP. A segment consists of control information and data fields. A segment
|
|
is transmitted as an IP datagram.</dd>
|
|
<dt id="x2038067" class="bold">
|
|
<a name="x2038067"></a>segmenting</dt>
|
|
<dd>In OSI, a function performed
|
|
by an (N)-entity to map one (N)-service-data-unit into multiple (N)-protocol-data-units.(I)
|
|
Segmenting is the opposite of reassembly. See also <a href="rzaatr.htm#x2035933">reassembly</a>.</dd>
|
|
<dt id="x2038072" class="bold">
|
|
<a name="x2038072"></a>segment-number</dt>
|
|
<dd>In COBOL, a user-defined
|
|
word that classifies sections in the Procedure Division for purposes of segmentation.
|
|
Segment numbers can contain only the characters 0 through 9. A segment-number
|
|
can be expressed either as a 1- or 2-digit number.</dd>
|
|
<dt id="x2038077" class="bold">
|
|
<a name="x2038077"></a>seion</dt>
|
|
<dd>A Japanese syllable.</dd>
|
|
<dt id="x2038082" class="bold">
|
|
<a name="x2038082"></a>select</dt>
|
|
<dd>To highlight a choice so that
|
|
a subsequent action will use that choice. Selecting does not initiate the
|
|
action.</dd>
|
|
<dt id="x2038087" class="bold">
|
|
<a name="x2038087"></a>select function</dt>
|
|
<dd>A system function
|
|
that determines which records from a physical file are to be included in a
|
|
logical file. See also <a href="rzaato.htm#x2032302">omit function</a>.</dd>
|
|
<dt id="x2038092" class="bold">
|
|
<a name="x2038092"></a>selection border</dt>
|
|
<dd>The visual border
|
|
that appears around a control, allowing that control to be moved with the
|
|
mouse or keyboard.</dd>
|
|
<dt id="x2038102" class="bold">
|
|
<a name="x2038102"></a>selection character</dt>
|
|
<dd>A character used
|
|
to select a choice in a selection list or a selection field.</dd>
|
|
<dt id="x2038107" class="bold">
|
|
<a name="x2038107"></a>selection entry</dt>
|
|
<dd>In System Manager,
|
|
an entry that assigns each alert processed by the filter to a group. In this
|
|
way, many alerts can be grouped into manageable categories.</dd>
|
|
<dt id="x2038112" class="bold">
|
|
<a name="x2038112"></a>selection field</dt>
|
|
<dd>A panel element that
|
|
contains a fixed number of choices in which the user cannot page up or page
|
|
down.</dd>
|
|
<dt id="x2038117" class="bold">
|
|
<a name="x2038117"></a>selection list</dt>
|
|
<dd>In SAA® Advanced Common User Access® architecture, a set of choices that a user can scroll
|
|
through to make a selection.</dd>
|
|
<dt id="x2038122" class="bold">
|
|
<a name="x2038122"></a>selective prompting</dt>
|
|
<dd>A function of
|
|
the operating system that allows the user to tailor command prompts at a parameter
|
|
level. See also <a href="rzaatc.htm#x2018048">conditional prompting</a>.</dd>
|
|
<dt id="x2038127" class="bold">
|
|
<a name="x2038127"></a>select/omit field</dt>
|
|
<dd>A field in a logical
|
|
file record format whose value is tested by the system to determine if records
|
|
including that field are to be used. The test is a comparison with a constant,
|
|
the contents of another field, a range of values, or a list of values; and
|
|
the record is either selected or omitted as a result of the test.</dd>
|
|
<dt id="x2038132" class="bold">
|
|
<a name="x2038132"></a>select/omit level specifications</dt>
|
|
<dd>Data description specifications coded on the lines following the last key-field
|
|
specification. These specifications are permitted only in a logical file.</dd>
|
|
<dt id="x2038137" class="bold">
|
|
<a name="x2038137"></a>self-check digit</dt>
|
|
<dd>The far right digit
|
|
of a self-check field.</dd>
|
|
<dt id="x2038142" class="bold">
|
|
<a name="x2038142"></a>self-check field</dt>
|
|
<dd>A field, such as
|
|
an account number, consisting of a base number and a self-check digit. For
|
|
data entry applications, the operator-entered self-check number is compared
|
|
with the self-check number calculated by the system.</dd>
|
|
<dt id="x2004493" class="bold">
|
|
<a name="x2004493"></a>self-referencing row</dt>
|
|
<dd>A row that is
|
|
a parent of itself.</dd>
|
|
<dt id="x2004503" class="bold">
|
|
<a name="x2004503"></a>self-referencing table</dt>
|
|
<dd>A table that
|
|
is both a parent and a dependent table in the same referential constraint.</dd>
|
|
<dt id="x2038147" class="bold">
|
|
<a name="x2038147"></a>self test</dt>
|
|
<dd>A test that runs automatically
|
|
after a device is turned on.</dd>
|
|
<dt id="x2038152" class="bold">
|
|
<a name="x2038152"></a>semantics</dt>
|
|
<dd>The relationships of characters
|
|
or groups of characters to their meanings, independent of the manner of their
|
|
interpretation and use. Semantics is the meaning conveyed by a character string.
|
|
See also <a href="rzaats.htm#x2040541">syntax</a>.</dd>
|
|
<dt id="x2038157" class="bold">
|
|
<a name="x2038157"></a>semaphore</dt>
|
|
<dd>A mechanism that is used
|
|
to synchronize one or more jobs.</dd>
|
|
<dt id="x2038162" class="bold">
|
|
<a name="x2038162"></a>semaphore adjustment value</dt>
|
|
<dd>A value
|
|
associated with a semaphore and applied to the semaphore's value if a process
|
|
ends while holding resources represented by the semaphore.</dd>
|
|
<dt id="x2038167" class="bold">
|
|
<a name="x2038167"></a>semaphore set</dt>
|
|
<dd>An interprocess communications
|
|
mechanism that contains one or more semaphores.</dd>
|
|
<dt id="x2038172" class="bold">
|
|
<a name="x2038172"></a>semicolon</dt>
|
|
<dd>In REXX, a token that indicates
|
|
the end of a clause and is implied by the REXX/400 interpreter in three cases:
|
|
by the end of a line, by certain keywords, and by a colon if it follows a
|
|
single symbol.</dd>
|
|
<dt id="x2038177" class="bold">
|
|
<a name="x2038177"></a>send depth</dt>
|
|
<dd>In SNADS, the number of
|
|
items that must be on the distribution queue before any item is sent to the
|
|
next system.</dd>
|
|
<dt id="x2038182" class="bold">
|
|
<a name="x2038182"></a>sending cross-domain key</dt>
|
|
<dd>In Cryptographic
|
|
Support, a cross-domain key used to encrypt a data-encrypting key before it
|
|
is sent to another location.</dd>
|
|
<dt id="x2038187" class="bold">
|
|
<a name="x2038187"></a>send time</dt>
|
|
<dd>In SNADS, the values that
|
|
specify the time that distributions are sent to other locations in a network.
|
|
The from and to times inclusively specify the range during which distributions
|
|
can be sent; the force time specifies the time at which distributions are
|
|
sent regardless of the number of items in the queue.</dd>
|
|
<dt id="x2038192" class="bold">
|
|
<a name="x2038192"></a>sense data</dt>
|
|
<dd>In SNA, data sent with
|
|
a negative response, indicating the reason for the response.</dd>
|
|
<dt id="x2038197" class="bold">
|
|
<a name="x2038197"></a>sensor</dt>
|
|
<dd>A device that converts measurable
|
|
elements of a physical process into data that is meaningful to a computer.</dd>
|
|
<dt id="x2038202" class="bold">
|
|
<a name="x2038202"></a>sentence</dt>
|
|
<dd>In COBOL, a sequence of
|
|
one or more statements, the last of which is stopped by a separator period.</dd>
|
|
<dt id="x2038207" class="bold">
|
|
<a name="x2038207"></a>separator</dt>
|
|
<dd>In COBOL, a punctuation
|
|
character used to set apart character-strings.</dd>
|
|
<dt id="x2038212" class="bold">
|
|
<a name="x2038212"></a>sequence</dt>
|
|
<dd>To arrange in order.</dd>
|
|
<dt id="x2038217" class="bold">
|
|
<a name="x2038217"></a>sequence checking</dt>
|
|
<dd>In RPG, a function
|
|
that checks the sequence of records in input, update, or combined files used
|
|
as primary and secondary files.</dd>
|
|
<dt id="x2038222" class="bold">
|
|
<a name="x2038222"></a>Sequenced Packet Exchange protocol (SPX)</dt>
|
|
<dd>A session-oriented network protocol that provides connection-oriented
|
|
services between two nodes on the network, and is used primarily by client/server
|
|
applications. It relies on the Internet Packet Exchange (IPX) protocol, provides
|
|
flow control and error recovery, and guarantees reliability of the physical
|
|
network.</dd>
|
|
<dt id="x2038227" class="bold">
|
|
<a name="x2038227"></a>sequence errors</dt>
|
|
<dd>In Performance Tools,
|
|
the number of frames received by the terminal equipment (TE) that contained
|
|
sequence numbers indicating that frames were lost.</dd>
|
|
<dt id="x2038232" class="bold">
|
|
<a name="x2038232"></a>sequence number</dt>
|
|
<dd>(1) The number of a record
|
|
that identifies the record within the source member.</dd>
|
|
<dd>(2) A field in
|
|
a journal entry that contains a number assigned by the system. This number
|
|
is initially 1 and is increased until the journal is changed or the sequence
|
|
number is reset by the user.</dd>
|
|
<dt id="x2038240" class="bold">
|
|
<a name="x2038240"></a>sequence page</dt>
|
|
<dd>A page in the settings
|
|
of a composite project that allows the user to specify the order in which
|
|
projects are built.</dd>
|
|
<dt id="x2038245" class="bold">
|
|
<a name="x2038245"></a>sequential access</dt>
|
|
<dd>A mode of accessing
|
|
data on a medium in a manner that requires the storage device to access consecutive
|
|
storage locations on the medium.</dd>
|
|
<dt id="x2038250" class="bold">
|
|
<a name="x2038250"></a>sequential-by-key processing</dt>
|
|
<dd>A method
|
|
of processing indexed files in which records are read or written in the order
|
|
of the key field in the record.</dd>
|
|
<dt id="x2004508" class="bold">
|
|
<a name="x2004508"></a>sequential data set</dt>
|
|
<dd>A data set whose
|
|
records are organized on the basis of their successive physical positions,
|
|
such as on magnetic tape. See also <a href="rzaatp.htm#x2003673">partitioned data
|
|
set</a>.</dd>
|
|
<dt id="x2038255" class="bold">
|
|
<a name="x2038255"></a>sequential organization</dt>
|
|
<dd>In COBOL,
|
|
the permanent logical file structure in which a record is identified by a
|
|
predecessor-successor relationship that is established when the record is
|
|
placed into the file.</dd>
|
|
<dt id="x2038260" class="bold">
|
|
<a name="x2038260"></a>sequential processing</dt>
|
|
<dd>A method of
|
|
processing in which records are read, written to, or deleted in the order
|
|
determined by the value of the key field. See also <a href="rzaatc.htm#x2018288">consecutive processing</a>, <a href="rzaatr.htm#x2035786">random processing</a>.</dd>
|
|
<dt id="x2038265" class="bold">
|
|
<a name="x2038265"></a>sequential-within-limits processing</dt>
|
|
<dd>A method of processing indexed files in which limits are specified for the
|
|
beginning and ending values of the key field for the records to be read or
|
|
written.</dd>
|
|
<dt id="x2038270" class="bold">
|
|
<a name="x2038270"></a>serial device</dt>
|
|
<dd>A device that uses
|
|
serial data as opposed to parallel data.</dd>
|
|
<dt id="x2038275" class="bold">
|
|
<a name="x2038275"></a>serial line</dt>
|
|
<dd>A transmission medium
|
|
commonly used for point-to-point link connections. Often, a serial line consists
|
|
of an RS-232 connection into a modem over a telephone line.</dd>
|
|
<dt id="x2038280" class="bold">
|
|
<a name="x2038280"></a>Serial Line Internet Protocol (SLIP)</dt>
|
|
<dd>An Internet protocol that connects a computer to the Internet using a serial
|
|
line.</dd>
|
|
<dt id="x2038285" class="bold">
|
|
<a name="x2038285"></a>serial port</dt>
|
|
<dd>A connector on a serial
|
|
device to which cables for other devices are attached.</dd>
|
|
<dt id="x2038290" class="bold">
|
|
<a name="x2038290"></a>serial search</dt>
|
|
<dd>In COBOL, a search
|
|
in which the records of a set of records are consecutively examined, beginning
|
|
with the first record and ending with the last record.</dd>
|
|
<dt id="x2004518" class="bold">
|
|
<a name="x2004518"></a>server</dt>
|
|
<dd>(1) In TCP/IP, a system in a network
|
|
that handles the requests of a system at another site (may be part of the
|
|
same network) called a client.</dd>
|
|
<dd>(2) In a network, hardware or software
|
|
that provides facilities to other stations. For example, a file server, a
|
|
printer server, or a mail server. The station making the request of the server
|
|
is usually called the client. See also <a href="rzaath.htm#x2002243">host</a>, <a href="rzaatc.htm#x2000644">client</a>.</dd>
|
|
<dt id="x2248506" class="bold">
|
|
<a name="x2248506"></a>server firmware</dt>
|
|
<dd>The code that resides
|
|
in system flash memory, and includes a number of subcomponents, including POWER™ Hypervisor™, power control, service processor, and logical partition firmware
|
|
that is loaded into either AIX® or Linux® logical partitions.</dd>
|
|
<dt id="x2038330" class="bold">
|
|
<a name="x2038330"></a>server instance</dt>
|
|
<dd>A logical server
|
|
that consists of a set of server jobs and configuration objects. Each server
|
|
instance listens on either a unique IP address or a unique port with the same
|
|
IP address. A server instance is created, configured, deleted, or controlled
|
|
from the administration server. The configuration of each server instance
|
|
is determined by the name of an associated configuration file, instance parameters,
|
|
and values that are specified on the Configuration and Administration Forms
|
|
and on the Global Attribute Values page.</dd>
|
|
<dt id="x2038338" class="bold">
|
|
<a name="x2038338"></a>Server Message Block</dt>
|
|
<dd>A protocol that
|
|
manages requests and responses in a client/server environment to allow for
|
|
the sharing of files, directories, and devices to clients on a network.</dd>
|
|
<dt id="x2038343" class="bold">
|
|
<a name="x2038343"></a>service</dt>
|
|
<dd>(1) In the Kerberos protocol,
|
|
a software server that has been assigned a principal name and is registered
|
|
with the key distribution center (KDC).</dd>
|
|
<dd>(2) A TCP/IP port number.</dd>
|
|
<dd>(3) In network architecture, a capability of a given layer and the
|
|
layers below it that is provided to the layer above. The service of a given
|
|
layer is provided at the boundary between this layer and the next higher layer.
|
|
(T)</dd>
|
|
<dt id="x2038360" class="bold">
|
|
<a name="x2038360"></a>service access point (SAP)</dt>
|
|
<dd>(1) A logical
|
|
address that allows a system to route data between a remote device and the
|
|
appropriate communications support.</dd>
|
|
<dd>(2) In Open Systems Interconnection
|
|
(OSI) architecture, the point at which the services of a layer are provided
|
|
by an entity of that layer to an entity of the next higher layer.</dd>
|
|
<dt id="x2210882" class="bold">
|
|
<a name="x2210882"></a>service action log</dt>
|
|
<dd>A utility that
|
|
displays entries requiring action by a service representative.</dd>
|
|
<dt id="x2038368" class="bold">
|
|
<a name="x2038368"></a>Service Advertising Protocol (SAP)</dt>
|
|
<dd>A protocol that allows service providing nodes, such as file server and print
|
|
server, to advertise their services so that clients can access the services.
|
|
SAP also provides for responding to a user for a given type of service. This
|
|
information is delivered through the use of the Internetwork Packet Exchange
|
|
(IPX) protocol. A SAP packet contains sets of service entry information.</dd>
|
|
<dt id="x2038373" class="bold">
|
|
<a name="x2038373"></a>service alias</dt>
|
|
<dd>A named set of protocol,
|
|
source ports, and destination ports that is used to help define filters in
|
|
Internet Protocol (IP) packet security.</dd>
|
|
<dt id="x2038378" class="bold">
|
|
<a name="x2038378"></a>service authority</dt>
|
|
<dd>A special authority
|
|
that allows the user to perform the alter function in the service functions.</dd>
|
|
<dt id="x2038388" class="bold">
|
|
<a name="x2038388"></a>service data unit (SDU)</dt>
|
|
<dd>In OSI, a
|
|
unit of data transferred between a layer and the next higher layer.</dd>
|
|
<dt id="x2038393" class="bold">
|
|
<a name="x2038393"></a>service element</dt>
|
|
<dd>In OSI, a unit of
|
|
standardization specifying a complete group of functions.</dd>
|
|
<dt id="x2210490" class="bold">
|
|
<a name="x2210490"></a>service functions</dt>
|
|
<dd>Specific capabilities
|
|
within service tools that are typically used for problem determination and
|
|
problem solving, often with the assistance of IBM® support. Examples of service functions
|
|
include Licensed Internal Code trace, Licensed Internal Code log, and the
|
|
display, alter, dump function.</dd>
|
|
<dt id="x2038398" class="bold">
|
|
<a name="x2038398"></a>service level</dt>
|
|
<dd>One of the four levels
|
|
of service (fast, status, data high, or data low) that determines if a distribution
|
|
is put on the normal or priority distribution queue.</dd>
|
|
<dt id="x2038403" class="bold">
|
|
<a name="x2038403"></a>service level agreement (SLA)</dt>
|
|
<dd>A contract
|
|
between a customer and a service provider that specifies the expectations
|
|
for the level of service with respect to availability, performance, and other
|
|
measurable objectives.</dd>
|
|
<dt id="x2038408" class="bold">
|
|
<a name="x2038408"></a>service level specification</dt>
|
|
<dd>A set
|
|
of parameters and their values that defines the service offered to a traffic
|
|
stream by a differentiated services domain.</dd>
|
|
<dt id="x2038413" class="bold">
|
|
<a name="x2038413"></a>service library</dt>
|
|
<dd>The system library
|
|
provided in the system that is used temporarily for loading IBM-supplied programming
|
|
changes and creating APARs. Named QSRV.</dd>
|
|
<dt id="x2038418" class="bold">
|
|
<a name="x2038418"></a>Service Location Protocol (SLP)</dt>
|
|
<dd>An Internet protocol that identifies and uses network hosts without having
|
|
to designate a specific network host name.</dd>
|
|
<dt id="x2038423" class="bold">
|
|
<a name="x2038423"></a>service pack</dt>
|
|
<dd>A collection of code
|
|
fixes for an IBM licensed program that contains PC code. The fixes are contained in
|
|
a single, orderable program temporary fix (PTF).</dd>
|
|
<dt id="x2066249" class="bold">
|
|
<a name="x2066249"></a>service primitive</dt>
|
|
<dd>In the OSI reference
|
|
model, the smallest defined interaction between service users and service
|
|
providers in adjacent layers. This interaction is a service provided by the
|
|
lower layer to the higher layer.(I)</dd>
|
|
<dt id="x2038433" class="bold">
|
|
<a name="x2038433"></a>service processor</dt>
|
|
<dd>The logic that
|
|
contains the processor function to start the system processor and handle error
|
|
conditions.</dd>
|
|
<dt id="x2038438" class="bold">
|
|
<a name="x2038438"></a>service program</dt>
|
|
<dd>A bound program that
|
|
performs utility functions that can be called by other bound programs.</dd>
|
|
<dt id="x2038443" class="bold">
|
|
<a name="x2038443"></a>service provider</dt>
|
|
<dd>(1) In the OSI reference
|
|
model, a layer that provides services to the next higher layer.</dd>
|
|
<dd>(2) In System Manager, the system used to provide problem-handling support to
|
|
another system or systems connected to it by communications lines. The service
|
|
provider can also be the alert focal point in a network. See also <a href="rzaats.htm#x2038461">service requester</a>.</dd>
|
|
<dt id="x2038451" class="bold">
|
|
<a name="x2038451"></a>service representative basic user profile</dt>
|
|
<dd>A system-supplied user profile, named QSRVBAS, that provides limited
|
|
authority for a service representative to use dedicated service tools (DST)
|
|
and system service tools (SST). See also <a href="rzaats.htm#x2038456">service representative
|
|
user profile</a>.</dd>
|
|
<dt id="x2038456" class="bold">
|
|
<a name="x2038456"></a>service representative user profile</dt>
|
|
<dd>A system-supplied user profile, named QSRV, that provides all the authority
|
|
required by a service representative to use the dedicated service tools (DST)
|
|
and system service tools (SST). See also <a href="rzaats.htm#x2038451">service representative
|
|
basic user profile</a>.</dd>
|
|
<dt id="x2038461" class="bold">
|
|
<a name="x2038461"></a>service requester</dt>
|
|
<dd>In System Manager,
|
|
the system with a program or equipment problem that requires and asks for
|
|
problem-handling support from another system in a network. See also <a href="rzaats.htm#x2038443">service provider</a>.</dd>
|
|
<dt id="x2038466" class="bold">
|
|
<a name="x2038466"></a>service ticket</dt>
|
|
<dd>(1) In DCE Security, a
|
|
ticket that grants access to a specified service other than the ticket-granting
|
|
service.</dd>
|
|
<dd>(2) A ticket that authenticates a service to other systems
|
|
and services on the network.</dd>
|
|
<dd>(3) In the Kerberos protocol, a ticket
|
|
that is sent by an application to a specific software server. A service ticket
|
|
is used by the software server to authenticate the identity of the principal
|
|
who is represented by the ticket.</dd>
|
|
<dt id="x2210495" class="bold">
|
|
<a name="x2210495"></a>service tools</dt>
|
|
<dd>Functions that are
|
|
used to configure, manage, and service important operational aspects of the
|
|
server, such as to configure logical partitions, manage disk units, and troubleshoot
|
|
problems. Service tools are accessed through dedicated service tools (DST),
|
|
system service tools (SST), and other service-related CL commands.</dd>
|
|
<dt id="x2210500" class="bold">
|
|
<a name="x2210500"></a>service tools device ID</dt>
|
|
<dd>An ID that
|
|
is used with LAN console to control access to the system.</dd>
|
|
<dt id="x2210505" class="bold">
|
|
<a name="x2210505"></a>service tools server</dt>
|
|
<dd>A server that
|
|
allows you to use your PC to perform service tools functions through TCP/IP.</dd>
|
|
<dt id="x2210510" class="bold">
|
|
<a name="x2210510"></a>service tools user ID</dt>
|
|
<dd>A user ID that
|
|
is required to access DST, SST, iSeries Navigator (for logical partitions and
|
|
disk unit management), and Operations Console. Service tools user IDs are
|
|
created through DST or SST and are separate from i5/OS™ user profiles.</dd>
|
|
<dt id="x2038474" class="bold">
|
|
<a name="x2038474"></a>service user</dt>
|
|
<dd>In the OSI reference
|
|
model, a layer that uses the services of the next lower layer.(I)</dd>
|
|
<dt id="x2038479" class="bold">
|
|
<a name="x2038479"></a>servlet</dt>
|
|
<dd>A Java™ program that runs on a Web server
|
|
and extends the server's functionality by generating dynamic content in response
|
|
to Web client requests. Servlets are commonly used to connect databases to
|
|
the Web.</dd>
|
|
<dt id="x2038484" class="bold">
|
|
<a name="x2038484"></a>servo</dt>
|
|
<dd>See <a href="rzaats.htm#x2038488">servomechanism</a>.</dd>
|
|
<dt id="x2038488" class="bold">
|
|
<a name="x2038488"></a>servomechanism (servo)</dt>
|
|
<dd>(1) A feedback
|
|
control system in which at least one of the signals represents mechanical
|
|
motion.</dd>
|
|
<dd>(2) An automatic device that uses feedback to govern the physical
|
|
position of a part.</dd>
|
|
<dt id="x2004539" class="bold">
|
|
<a name="x2004539"></a>session</dt>
|
|
<dd>(1) The period of time during
|
|
which programs or devices can communicate with each other. In remote communications,
|
|
a period of communication with a remote system or host system.</dd>
|
|
<dd>(2) In RJE, the activity of all tasks within a single iSeries server communicating
|
|
with a single host system.</dd>
|
|
<dd>(3) A logical or virtual connection between
|
|
two stations, programs, or devices on a network that allows the two elements
|
|
to communicate and exchange data, or the activities that occur during the
|
|
establishment, maintenance, and release of the connection. A session can
|
|
be activated and deactivated as requested. See also <a href="rzaatt.htm#x2005321">transaction</a>.</dd>
|
|
<dt id="x2038517" class="bold">
|
|
<a name="x2038517"></a>session connection</dt>
|
|
<dd>In OSI, a connection
|
|
between two nodes that enables them to communicate at the session layer.</dd>
|
|
<dt id="x2038522" class="bold">
|
|
<a name="x2038522"></a>session default</dt>
|
|
<dd>A session assumed
|
|
by the system for temporary use.</dd>
|
|
<dt id="x2038527" class="bold">
|
|
<a name="x2038527"></a>session description</dt>
|
|
<dd>An object that
|
|
contains a description of the operating characteristics of an RJE session.
|
|
The system-recognized identifier for the object type is *SSND.</dd>
|
|
<dt id="x2038532" class="bold">
|
|
<a name="x2038532"></a>session files library</dt>
|
|
<dd>The files library
|
|
that will be in use when the current System/36™ environment job ends.</dd>
|
|
<dt id="x2038537" class="bold">
|
|
<a name="x2038537"></a>session functional unit</dt>
|
|
<dd>In OSI, logical
|
|
groupings of related services provided by the Session Layer, such as activity
|
|
management, capability data exchange, and negotiated release. Most session
|
|
functional units are optional. The peer application entities negotiate whether
|
|
or not the optional functions will be used when the session connection is
|
|
established.</dd>
|
|
<dt id="x2038542" class="bold">
|
|
<a name="x2038542"></a>session key</dt>
|
|
<dd>(1) In Cryptographic Support,
|
|
a data-encrypting key used to encrypt data before it is sent to another location.</dd>
|
|
<dd>(2) In the Kerberos protocol and in DCE Security, a short-lived encryption
|
|
key provided by the Authentication Service to two principals for the purpose
|
|
of ensuring secure communications between them.</dd>
|
|
<dt id="x2038550" class="bold">
|
|
<a name="x2038550"></a>session layer</dt>
|
|
<dd>In OSI, the layer that
|
|
provides the services that organize and synchronize communications between
|
|
functional units in different open systems located in the presentation layer.</dd>
|
|
<dt id="x2038555" class="bold">
|
|
<a name="x2038555"></a>session-layer protocol data unit (SPDU)</dt>
|
|
<dd>In OSI, a protocol data unit in the session layer.(I)</dd>
|
|
<dt id="x2038560" class="bold">
|
|
<a name="x2038560"></a>session-layer service access point (SSAP)</dt>
|
|
<dd>In OSI, a service access point in the session layer.</dd>
|
|
<dt id="x2038565" class="bold">
|
|
<a name="x2038565"></a>session-layer service data unit (SSDU)</dt>
|
|
<dd>In OSI, a unit of data transferred between the presentation layer and
|
|
the session layer.</dd>
|
|
<dt id="x2038570" class="bold">
|
|
<a name="x2038570"></a>session profile</dt>
|
|
<dd>In iSeries Access, a
|
|
file that describes the characteristics of a PC5250 session.</dd>
|
|
<dt id="x2038575" class="bold">
|
|
<a name="x2038575"></a>session version</dt>
|
|
<dd>In OSI, pertaining
|
|
to the two versions of the session-layer services and protocols standard.
|
|
Session version 2 can handle the transmission of larger units of data than
|
|
session version 1.</dd>
|
|
<dt id="x2038580" class="bold">
|
|
<a name="x2038580"></a>SET</dt>
|
|
<dd>See <a href="rzaats.htm#x2047137">Secure
|
|
Electronic Transaction</a>.</dd>
|
|
<dt id="x2038589" class="bold">
|
|
<a name="x2038589"></a>set asynchronous balanced mode (SABM)</dt>
|
|
<dd>In communications, a data link control command used to establish a data
|
|
link connection with the destination in asynchronous balanced mode.</dd>
|
|
<dt id="x2038584" class="bold">
|
|
<a name="x2038584"></a>set asynchronous balanced mode extended (SABME)</dt>
|
|
<dd>In communications, a data link control command used to initiate
|
|
data transfer in the extended asynchronous balanced mode of operation with
|
|
a remote link station. The SABME command uses modulus 128 sequence numbers.</dd>
|
|
<dt id="x2038594" class="bold">
|
|
<a name="x2038594"></a>set normal response mode (SNRM)</dt>
|
|
<dd>A data link control command that puts the link connection in normal response
|
|
mode (NRM).</dd>
|
|
<dt id="x2038604" class="bold">
|
|
<a name="x2038604"></a>set services</dt>
|
|
<dd>In OSI, callable services
|
|
that supply optional information to the subsystem. See also <a href="rzaata.htm#x2012979">action service</a>, <a href="rzaate.htm#x2027591">extract service</a>.</dd>
|
|
<dt id="x2374915" class="bold">
|
|
<a name="x2374915"></a>setting</dt>
|
|
<dd>A value of an attribute that
|
|
determines how an object looks and functions.</dd>
|
|
<dt id="x2038614" class="bold">
|
|
<a name="x2038614"></a>settings view</dt>
|
|
<dd>A view of an object
|
|
that provides a way to display the attributes associated with the object.
|
|
For example, using the settings view, the user can change the areas that display
|
|
in a window, such as the title or columns.</dd>
|
|
<dt id="x2038619" class="bold">
|
|
<a name="x2038619"></a>SEU</dt>
|
|
<dd>See <a href="rzaats.htm#x2039368">source
|
|
entry utility</a>.</dd>
|
|
<dt id="x2038628" class="bold">
|
|
<a name="x2038628"></a>severity code</dt>
|
|
<dd>A number that indicates
|
|
how serious an error condition is. The higher the number, the more serious
|
|
the condition.</dd>
|
|
<dt id="x2038633" class="bold">
|
|
<a name="x2038633"></a>SGML</dt>
|
|
<dd>See <a href="rzaats.htm#x2039737">Standard
|
|
Generalized Markup Language</a>.</dd>
|
|
<dt id="x2021905" class="bold">
|
|
<a name="x2021905"></a>SH</dt>
|
|
<dd>See <a href="rzaata.htm#x2013935">application
|
|
shell</a>.</dd>
|
|
<dt id="x2210485" class="bold">
|
|
<a name="x2210485"></a>SHA</dt>
|
|
<dd>See <a href="rzaats.htm#x2210483">Secure
|
|
Hash Algorithm</a>.</dd>
|
|
<dt id="x2038637" class="bold">
|
|
<a name="x2038637"></a>shadow</dt>
|
|
<dd>(1) To duplicate Enterprise Address
|
|
Book (EAB) data from one system to another and to send EAB changes, additions,
|
|
and deletions to other systems.</dd>
|
|
<dd>(2) A duplication of the Enterprise
|
|
Address Book (EAB) data on another system.</dd>
|
|
<dt id="x2004569" class="bold">
|
|
<a name="x2004569"></a>shadowing</dt>
|
|
<dd>The capability of a system
|
|
to copy data from one system to another system and keep it up to date whenever
|
|
it is changed on any system that shadows the information in the network.</dd>
|
|
<dt id="x2038652" class="bold">
|
|
<a name="x2038652"></a>shadow log</dt>
|
|
<dd>A log of errors that occur
|
|
from the time that an initial program load starts to the time storage management
|
|
recovery ends. The log contains the latest occurring errors, and may contain
|
|
errors not found in the error log.</dd>
|
|
<dt id="x2038657" class="bold">
|
|
<a name="x2038657"></a>shaping</dt>
|
|
<dd>In QoS, the process of delaying
|
|
packets within a traffic stream so that the traffic conforms to a user-defined
|
|
profile.</dd>
|
|
<dt id="x2038662" class="bold">
|
|
<a name="x2038662"></a>shared access path</dt>
|
|
<dd>An access path
|
|
used by more than one file member to get data common to both members.</dd>
|
|
<dt id="x2210212" class="bold">
|
|
<a name="x2210212"></a>shared drive</dt>
|
|
<dd>A network server storage
|
|
spaces that is linked as shared using the Add Server Storage Link (ADDNWSSTGL
|
|
ACCESS(*SHRUPD)) parameters once a quorum resource drive has been created
|
|
and linked to a node. Drives which are shared appear to Windows® as
|
|
though they were on a common shared storage bus and can be controlled as separate
|
|
resources by the Cluster service. These drives can be failed over to another
|
|
node in the cluster.</dd>
|
|
<dt id="x2038667" class="bold">
|
|
<a name="x2038667"></a>shared file</dt>
|
|
<dd>A file whose open data
|
|
path can be shared between two or more programs processing in the same job.
|
|
See also <a href="rzaato.htm#x2032355">open data path</a>.</dd>
|
|
<dt id="x2038672" class="bold">
|
|
<a name="x2038672"></a>shared-for-read lock state</dt>
|
|
<dd>The lock
|
|
state for a file in which the file can be shared with another program if the
|
|
program does not request exclusive use of the file. The predefined value for
|
|
this lock state is *SHRRD.</dd>
|
|
<dt id="x2038677" class="bold">
|
|
<a name="x2038677"></a>shared-for-update lock state</dt>
|
|
<dd>The
|
|
lock state for a file in which the file can be shared either for update or
|
|
for read operations with another program. The predefined value for this lock
|
|
state is *SHRUPD.</dd>
|
|
<dt id="x2004579" class="bold">
|
|
<a name="x2004579"></a>shared lock</dt>
|
|
<dd>A lock that limits concurrently
|
|
executing application processes to read-only operations on database data.
|
|
See also <a href="rzaate.htm#x2001803">exclusive lock</a>, <a href="rzaatg.htm#x2002174">gross lock</a>.</dd>
|
|
<dt id="x2038682" class="bold">
|
|
<a name="x2038682"></a>shared memory</dt>
|
|
<dd>An interprocess communications
|
|
service that provides shared memory segments.</dd>
|
|
<dt id="x2038687" class="bold">
|
|
<a name="x2038687"></a>shared memory segment</dt>
|
|
<dd>An interprocess
|
|
communications mechanism that allows a process to directly read data from,
|
|
write data to, and share data with other processes without having the data
|
|
manipulated by the operating system.</dd>
|
|
<dt id="x2038692" class="bold">
|
|
<a name="x2038692"></a>shared-no-update lock state</dt>
|
|
<dd>The lock
|
|
state for a file in which the file can be shared with another program if the
|
|
program requests either a shared-no-update lock state or a shared-for-read
|
|
lock state. The predefined value for this lock state is *SHRNUP.</dd>
|
|
<dt id="x2094163" class="bold">
|
|
<a name="x2094163"></a>shared port</dt>
|
|
<dd>A communication port
|
|
on a single input/output processor using short-hold mode on a single SDLC
|
|
line description.</dd>
|
|
<dt id="x2239502" class="bold">
|
|
<a name="x2239502"></a>shared processor pool</dt>
|
|
<dd>A group of
|
|
physical processors that provide processing capacity that can be shared among
|
|
multiple logical partitions. Processing capacity from the shared processor
|
|
pool can be assigned to each of the logical partitions in partial processor
|
|
increments. The sum of the assigned processing capacity across all logical
|
|
partitions in the shared processor pool cannot exceed the total processing
|
|
capacity of the shared processor pool.</dd>
|
|
<dt id="x2038702" class="bold">
|
|
<a name="x2038702"></a>shared record format</dt>
|
|
<dd>A record format
|
|
that is used in more than one externally described file.</dd>
|
|
<dt id="x2210275" class="bold">
|
|
<a name="x2210275"></a>shared/secret key cryptography</dt>
|
|
<dd>A
|
|
method of cryptography where the same key is used by two communicating parties,
|
|
i.e., for both encryption and decryption.</dd>
|
|
<dt id="x2038707" class="bold">
|
|
<a name="x2038707"></a>shared storage pool</dt>
|
|
<dd>A storage pool
|
|
that can be shared by more than one subsystem. See also <a href="rzaatp.htm#x2034726">private storage pool</a>.</dd>
|
|
<dt id="x2038712" class="bold">
|
|
<a name="x2038712"></a>shared-weight sort sequence</dt>
|
|
<dd>A sort
|
|
sequence in which some graphic characters in the sequence may have the same
|
|
weight as some other characters in the sequence. Those with the same weight
|
|
will sort together as if they were the same character.</dd>
|
|
<dt id="x2038717" class="bold">
|
|
<a name="x2038717"></a>share lock</dt>
|
|
<dd>In DB2 UDB for iSeries, a lock that limits application processes that are running concurrently
|
|
to read-only operations on row data.</dd>
|
|
<dt id="x2038727" class="bold">
|
|
<a name="x2038727"></a>shear</dt>
|
|
<dd>The angle of slant of a character
|
|
cell that is not perpendicular to a baseline.</dd>
|
|
<dt id="x2038732" class="bold">
|
|
<a name="x2038732"></a>shell</dt>
|
|
<dd>The CICS® facility that provides an isolated area
|
|
for running CICS programs without adversely affecting other users.</dd>
|
|
<dt id="x2038742" class="bold">
|
|
<a name="x2038742"></a>shift</dt>
|
|
<dd>A keyboard action to allow
|
|
uppercase or other characters to be entered.</dd>
|
|
<dt id="x2047143" class="bold">
|
|
<a name="x2047143"></a>shift control character</dt>
|
|
<dd>A shift-in
|
|
character or a shift-out character.</dd>
|
|
<dt id="x2004584" class="bold">
|
|
<a name="x2004584"></a>shift-in character</dt>
|
|
<dd>A control character
|
|
(X'0F') that is used in EBCDIC systems to denote that the subsequent bytes
|
|
represent SBCS characters. See also <a href="rzaats.htm#x2004589">shift-out character</a>.</dd>
|
|
<dt id="x2004589" class="bold">
|
|
<a name="x2004589"></a>shift-out character</dt>
|
|
<dd>A control character
|
|
(X'0E') that is used in EBCDIC systems to denote that the subsequent bytes,
|
|
up to the next shift-in control character, represent DBCS characters. See
|
|
also <a href="rzaats.htm#x2004584">shift-in character</a>.</dd>
|
|
<dt id="x2038757" class="bold">
|
|
<a name="x2038757"></a>shim</dt>
|
|
<dd>(1) A part for adjusting gaps, play,
|
|
or position in a mechanism.</dd>
|
|
<dd>(2) A thin, often tapered, piece of material,
|
|
such as metal, used to fill in space between things for support, adjustment,
|
|
or leveling.</dd>
|
|
<dt id="x2038765" class="bold">
|
|
<a name="x2038765"></a>SHM</dt>
|
|
<dd>See <a href="rzaats.htm#x2038794">short-hold
|
|
mode</a>.</dd>
|
|
<dt id="x2038769" class="bold">
|
|
<a name="x2038769"></a>shortcut key</dt>
|
|
<dd>See <a href="rzaatk.htm#x2186192">keyboard shortcut</a>.</dd>
|
|
<dt id="x2038774" class="bold">
|
|
<a name="x2038774"></a>short format</dt>
|
|
<dd>In binary floating-point
|
|
storage formats, the 32-bit representation of a binary floating-point number,
|
|
not-a-number, or infinity.</dd>
|
|
<dt id="x2038779" class="bold">
|
|
<a name="x2038779"></a>short-form identifier</dt>
|
|
<dd>See <a href="rzaatc.htm#x2000672">coded character set identifier</a>. See also <a href="rzaatb.htm#x2000356">binary
|
|
string</a>.</dd>
|
|
<dt id="x2038784" class="bold">
|
|
<a name="x2038784"></a>short frame</dt>
|
|
<dd>In Performance Tools,
|
|
a frame that has fewer bytes between its start flag and end flag than is permitted
|
|
by the data control protocol of the integrated services digital network (ISDN).</dd>
|
|
<dt id="x2038789" class="bold">
|
|
<a name="x2038789"></a>short frame errors</dt>
|
|
<dd>In Performance
|
|
Tools, the total number of short frames received by the terminal equipment
|
|
(TE).</dd>
|
|
<dt id="x2038794" class="bold">
|
|
<a name="x2038794"></a>short-hold mode (SHM)</dt>
|
|
<dd>A mode specified
|
|
during configuration that allows the DTE to connect or reconnect when no data
|
|
is being transmitted over a circuit-switched line, while maintaining the logical
|
|
connection of the sessions across the circuit.</dd>
|
|
<dt id="x2038799" class="bold">
|
|
<a name="x2038799"></a>short interface</dt>
|
|
<dd>In query management,
|
|
the set of language-specific interfaces that allow commands to run that do
|
|
not require access to program variables. The short interface includes the
|
|
communications area, command length, and command string.</dd>
|
|
<dt id="x2038804" class="bold">
|
|
<a name="x2038804"></a>short menu</dt>
|
|
<dd>A menu that has been shortened
|
|
to display a subset of the complete set of its values. Some short menus are
|
|
created automatically by the application on the basis of the functions used
|
|
most frequently by the user. Others can be customized directly by the user.</dd>
|
|
<dt id="x2038809" class="bold">
|
|
<a name="x2038809"></a>short notebook</dt>
|
|
<dd>A choice that reduces
|
|
the number of choices that appear in a notebook.</dd>
|
|
<dt id="x2004594" class="bold">
|
|
<a name="x2004594"></a>short string</dt>
|
|
<dd>A fixed-length string
|
|
or a variable-length string whose maximum length is less than or equal to
|
|
254 bytes.</dd>
|
|
<dt id="x2038814" class="bold">
|
|
<a name="x2038814"></a>SHUTC</dt>
|
|
<dd>In SNA, a command used to complete
|
|
a session.</dd>
|
|
<dt id="x2038824" class="bold">
|
|
<a name="x2038824"></a>shutdown</dt>
|
|
<dd>The process of ending operation
|
|
of a system or a subsystem, following a defined procedure.</dd>
|
|
<dt id="x2038833" class="bold">
|
|
<a name="x2038833"></a>side information</dt>
|
|
<dd>In OSI, system-defined
|
|
values that are used as the initial values of certain parameters. In OSI Communications
|
|
Subsystem, side information is a combination of (a) information in the OSI
|
|
Communications Subsystem information base, and (b) information provided by
|
|
directory service.</dd>
|
|
<dt id="x2038838" class="bold">
|
|
<a name="x2038838"></a>SIGL</dt>
|
|
<dd>A REXX special variable that
|
|
contains the line number of the last instruction that caused a jump to a label.</dd>
|
|
<dt id="x2038843" class="bold">
|
|
<a name="x2038843"></a>signal</dt>
|
|
<dd>A mechanism by which a process
|
|
may be notified of, or affected by, an event occurring in the system. Examples
|
|
of such events include hardware exceptions and specific actions by processes.
|
|
The term signal is also used to refer to the event itself. X/Open. ISO.1.</dd>
|
|
<dt id="x2038852" class="bold">
|
|
<a name="x2038852"></a>signal cable</dt>
|
|
<dd>An electrical wire or
|
|
set of wires, such as twinaxial, coaxial, or twisted pair cables to attach
|
|
devices to a computer.</dd>
|
|
<dt id="x2038857" class="bold">
|
|
<a name="x2038857"></a>signaled error</dt>
|
|
<dd>In OSI, an error detected
|
|
but not recovered by the network layer. The error is signaled to the transport
|
|
layer for action. For example, the network connection is lost and reset to
|
|
a known state, possibly with loss of data, but the connection remains available
|
|
for use. See also <a href="rzaatr.htm#x2036933">residual error</a>.</dd>
|
|
<dt id="x2038862" class="bold">
|
|
<a name="x2038862"></a>signal handler</dt>
|
|
<dd>In POSIX, a function
|
|
that is registered by the application programmer to be called by the system
|
|
either synchronously or asynchronously when a signal is delivered to a thread.</dd>
|
|
<dt id="x2038867" class="bold">
|
|
<a name="x2038867"></a>signaling protocol</dt>
|
|
<dd>A signal, such
|
|
as resource reservation setup protocol (RSVP), that carries an admission control
|
|
request to a network. The signal requests bandwidth resource according to
|
|
an application's request. To get quality of service from a network, systems
|
|
need to use signaling protocols.</dd>
|
|
<dt id="x2038872" class="bold">
|
|
<a name="x2038872"></a>signal safe</dt>
|
|
<dd>A function, macro, or
|
|
operating system service that can be called from within a signal handler.</dd>
|
|
<dt id="x2038877" class="bold">
|
|
<a name="x2038877"></a>signature</dt>
|
|
<dd>(1) A value that identifies
|
|
the interfaces supported by a service program. Signatures are based on the
|
|
exports and the sequence of the exports allowed from a service program.</dd>
|
|
<dd>(2) The collection of types associated with a method (the type of the return
|
|
value, if any, as well as the number, order, and type of each of the method's
|
|
arguments).</dd>
|
|
<dt id="x2038885" class="bold">
|
|
<a name="x2038885"></a>signature bank</dt>
|
|
<dd>A collection of signatures.
|
|
The signature emitter gets new signatures from the signature bank.</dd>
|
|
<dt id="x2038890" class="bold">
|
|
<a name="x2038890"></a>sign condition</dt>
|
|
<dd>In COBOL, a condition
|
|
that states that the value of a data item is less than, equal to, or greater
|
|
than zero.</dd>
|
|
<dt id="x2038900" class="bold">
|
|
<a name="x2038900"></a>significand</dt>
|
|
<dd>In binary floating-point
|
|
format, the part of a number that contains the whole number and fraction.</dd>
|
|
<dt id="x2038905" class="bold">
|
|
<a name="x2038905"></a>significant digit</dt>
|
|
<dd>Any number of a
|
|
series of numbers that follows the farthest left number, that is not a zero,
|
|
and that is within the accuracy allowed.</dd>
|
|
<dt id="x2152067" class="bold">
|
|
<a name="x2152067"></a>signon</dt>
|
|
<dd>The procedure by which the
|
|
user starts working at a workstation.</dd>
|
|
<dt id="x2143758" class="bold">
|
|
<a name="x2143758"></a>SIMM</dt>
|
|
<dd>See <a href="rzaats.htm#x2143756">single
|
|
inline memory module</a>.</dd>
|
|
<dt id="x2038910" class="bold">
|
|
<a name="x2038910"></a>simple condition</dt>
|
|
<dd>In COBOL, one of
|
|
the conditions chosen from the following set of conditions: relational condition,
|
|
class condition, condition-name condition, switch-status condition, sign condition.
|
|
See also <a href="rzaatc.htm#x2017851">complex condition</a>.</dd>
|
|
<dt id="x2038915" class="bold">
|
|
<a name="x2038915"></a>simple list</dt>
|
|
<dd>A list of like values;
|
|
for example, a list of user names. See also <a href="rzaatm.htm#x2030482">mixed list</a>.</dd>
|
|
<dt id="x2038920" class="bold">
|
|
<a name="x2038920"></a>Simple Mail Transfer Protocol</dt>
|
|
<dd>An
|
|
Internet application protocol for transferring mail among users of the Internet.
|
|
SMTP specifies the mail exchange sequences and message format. It assumes
|
|
that the Transmission Control Protocol (TCP) is the underlying protocol.</dd>
|
|
<dt id="x2038928" class="bold">
|
|
<a name="x2038928"></a>simple name</dt>
|
|
<dd>In the CDS Cell Directory
|
|
Service (CDS), one element in a CDS full name. Simple names are separated
|
|
by slashes in a full name.</dd>
|
|
<dt id="x2038933" class="bold">
|
|
<a name="x2038933"></a>Simple Network Management Protocol</dt>
|
|
<dd>A network management protocol that is used to monitor routers and attached
|
|
networks. SNMP is an application layer protocol. Information on devices managed
|
|
is defined and stored in the application's Management Information Base (MIB).</dd>
|
|
<dt id="x2038938" class="bold">
|
|
<a name="x2038938"></a>simple repetitive loop</dt>
|
|
<dd>In REXX, a
|
|
repetitive DO loop in which the repetitive phrase is an expression that evaluates
|
|
to a count of iterations.</dd>
|
|
<dt id="x2038943" class="bold">
|
|
<a name="x2038943"></a>simple symbol</dt>
|
|
<dd>In REXX, a symbol that
|
|
does not contain any periods and does not start with a digit (0-9).</dd>
|
|
<dt id="x2038953" class="bold">
|
|
<a name="x2038953"></a>simplex</dt>
|
|
<dd>Pertaining to printing on
|
|
only one side of the paper. See also <a href="rzaatt.htm#x2069419">tumble</a>.</dd>
|
|
<dt id="x2038958" class="bold">
|
|
<a name="x2038958"></a>Simplified Chinese</dt>
|
|
<dd>The Chinese character
|
|
set that has been simplified by reducing the number of strokes in common characters
|
|
and deleting complicated variants. Simplified Chinese characters are used
|
|
primarily in the People's Republic of China.</dd>
|
|
<dt id="x2038963" class="bold">
|
|
<a name="x2038963"></a>Simplified Chinese double-byte character set</dt>
|
|
<dd>An IBM-defined double-byte character set for Simplified Chinese.
|
|
It consists of Simplified Chinese non-Chinese set, primary set, secondary
|
|
set, and up to 1,880 user-definable characters.</dd>
|
|
<dt id="x2038968" class="bold">
|
|
<a name="x2038968"></a>Simplified Chinese non-Chinese character set</dt>
|
|
<dd>A subset of the Simplified Chinese DBCS, consisting of non-Chinese
|
|
characters, such as Latin alphabet, Greek, Russian, Roman numeric, alphanumeric
|
|
and related symbols, Katakana, Hiragana, Japanese, special symbols, and Chinese
|
|
phonetic symbols. There are 712 characters in this set.</dd>
|
|
<dt id="x2038973" class="bold">
|
|
<a name="x2038973"></a>Simplified Chinese primary character set</dt>
|
|
<dd>A subset of the Simplified Chinese DBCS, consisting of commonly used
|
|
Chinese characters. There are 3,755 characters in this set.</dd>
|
|
<dt id="x2038978" class="bold">
|
|
<a name="x2038978"></a>Simplified Chinese secondary character set</dt>
|
|
<dd>A subset of the Simplified Chinese DBCS, consisting of less commonly
|
|
used Chinese characters. There are 3,008 characters in this set.</dd>
|
|
<dt id="x2038988" class="bold">
|
|
<a name="x2038988"></a>sine</dt>
|
|
<dd>A trigonometric function of
|
|
mathematics.</dd>
|
|
<dt id="x2210913" class="bold">
|
|
<a name="x2210913"></a>single bus connection</dt>
|
|
<dd>The connection
|
|
that links a single bus to the optical link card. One connector is not used.</dd>
|
|
<dt id="x2004617" class="bold">
|
|
<a name="x2004617"></a>single-byte character set (SBCS)</dt>
|
|
<dd>A coded character set in which each character is represented by a one-byte
|
|
code. A one-byte code point allows representation of up to 256 characters.
|
|
An example is the Latin alphabet #1. See also <a href="rzaatd.htm#x2001652">double-byte
|
|
character set</a>, <a href="rzaatm.htm#x2030744">multibyte character set</a>.</dd>
|
|
<dt id="x2038996" class="bold">
|
|
<a name="x2038996"></a>single-byte coded font (single-byte font)</dt>
|
|
<dd>A font in which the characters are defined by a 1-byte code point. A
|
|
single-byte coded font has only one coded font section.</dd>
|
|
<dt id="x2047203" class="bold">
|
|
<a name="x2047203"></a>single-byte font</dt>
|
|
<dd>See <a href="rzaats.htm#x2038996">single-byte coded font</a>.</dd>
|
|
<dt id="x2039001" class="bold">
|
|
<a name="x2039001"></a>single-choice selection field</dt>
|
|
<dd>A field
|
|
that contains a fixed number of choices arranged in a list in which only one
|
|
selection can be made.</dd>
|
|
<dt id="x2039006" class="bold">
|
|
<a name="x2039006"></a>single-choice selection list</dt>
|
|
<dd>A field
|
|
that contains a potentially scrollable list of choices in which only one selection
|
|
can be made.</dd>
|
|
<dt id="x2143756" class="bold">
|
|
<a name="x2143756"></a>single inline memory module (SIMM)</dt>
|
|
<dd>In computer hardware, a small circuit card that carries a number of surface-mounted
|
|
memory chips in a space-saving configuration with the connector pins protruding
|
|
in a single line from the edge of the card. Varying numbers of SIMMs can be
|
|
plugged easily into slots in a memory board to expand random access memory.
|
|
See also <a href="rzaatd.htm#x2210722">dual inline memory module</a>.</dd>
|
|
<dt id="x2039011" class="bold">
|
|
<a name="x2039011"></a>single-phase commit</dt>
|
|
<dd>A method in which
|
|
a program can commit updates to a commitment resource without coordinating
|
|
those updates with updates the program has made to resources controlled by
|
|
another resource manager. See also <a href="rzaatt.htm#x2005483">two-phase commit</a>.</dd>
|
|
<dt id="x2039016" class="bold">
|
|
<a name="x2039016"></a>single port sharing</dt>
|
|
<dd>An arrangement
|
|
for short-hold mode operation in which each port is shared by a set of DTEs,
|
|
with the restriction that all reconnection calls (recalls) must use the same
|
|
port as the first call for that logical connection.</dd>
|
|
<dt id="x2039021" class="bold">
|
|
<a name="x2039021"></a>single precision</dt>
|
|
<dd>The specification
|
|
that causes the floating-point value to be stored (internally) in the short
|
|
format. See also <a href="rzaatd.htm#x2021329">double precision</a>.</dd>
|
|
<dt id="x2039026" class="bold">
|
|
<a name="x2039026"></a>single-process installation</dt>
|
|
<dd>The process
|
|
of installing licensed programs one at a time.</dd>
|
|
<dt id="x2039031" class="bold">
|
|
<a name="x2039031"></a>single-selection field</dt>
|
|
<dd>In iSeries Access, a
|
|
list from which a user can select only one item.</dd>
|
|
<dt id="x2039036" class="bold">
|
|
<a name="x2039036"></a>single set</dt>
|
|
<dd>A single CD-ROM that contains
|
|
one licensed program or a separately orderable feature for the server and
|
|
its secondary languages.</dd>
|
|
<dt id="x2039041" class="bold">
|
|
<a name="x2039041"></a>single-thread test</dt>
|
|
<dd>In CICS, a test of
|
|
a single application or transaction running by itself. See also <a href="rzaatm.htm#x2030924">multithread test</a>.</dd>
|
|
<dt id="x2039046" class="bold">
|
|
<a name="x2039046"></a>SIT</dt>
|
|
<dd>See <a href="rzaats.htm#x2040638">system
|
|
initialization table</a>.</dd>
|
|
<dt id="x2143778" class="bold">
|
|
<a name="x2143778"></a>site</dt>
|
|
<dd>In cross-site mirroring, a location
|
|
containing a node or nodes with access to either the production copy or mirror
|
|
copy. The sites can be in close proximity or geographically dispersed.</dd>
|
|
<dt id="x2235675" class="bold">
|
|
<a name="x2235675"></a>site primary node</dt>
|
|
<dd>In cross-site mirroring,
|
|
a node that owns the independent disk pool, either the production copy or
|
|
mirror copy, at a particular site. The production-site primary node is also
|
|
the primary node for the cluster resource group. The mirror-site primary node
|
|
is a backup node in a cluster resource group.</dd>
|
|
<dt id="x2039050" class="bold">
|
|
<a name="x2039050"></a>sizing border</dt>
|
|
<dd>In VisualAge® RPG, the
|
|
border or frame around a control or set of controls that allows resizing of
|
|
the control by selection with the mouse or the keyboard.</dd>
|
|
<dt id="x2039055" class="bold">
|
|
<a name="x2039055"></a>skew</dt>
|
|
<dd>(1) The time difference between
|
|
two clocks or clock values.</dd>
|
|
<dd>(2) The position of being slanted or tilted;
|
|
oblique.</dd>
|
|
<dt id="x2094369" class="bold">
|
|
<a name="x2094369"></a>SLA</dt>
|
|
<dd>See <a href="rzaats.htm#x2038403">service
|
|
level agreement</a>.</dd>
|
|
<dt id="x2039068" class="bold">
|
|
<a name="x2039068"></a>slice label</dt>
|
|
<dd>In the GDDM function, the
|
|
alphanumeric label that a user can assign to each slice on a pie chart.</dd>
|
|
<dt id="x2039078" class="bold">
|
|
<a name="x2039078"></a>slide</dt>
|
|
<dd>Hardware attached to a device
|
|
that moves the device in and out of the rack in a drawer-like action. See
|
|
also <a href="rzaatr.htm#x2035743">rail</a>.</dd>
|
|
<dt id="x2039073" class="bold">
|
|
<a name="x2039073"></a>slider</dt>
|
|
<dd>A graphical representation
|
|
of a quantity and its relationship to the range of possible values for that
|
|
quantity. A user can change the value of the quantity by using the slider.</dd>
|
|
<dt id="x2039083" class="bold">
|
|
<a name="x2039083"></a>SLIP</dt>
|
|
<dd>See <a href="rzaats.htm#x2038280">Serial
|
|
Line Internet Protocol</a>.</dd>
|
|
<dt id="x2039087" class="bold">
|
|
<a name="x2039087"></a>SLP</dt>
|
|
<dd>See <a href="rzaats.htm#x2038418">Service
|
|
Location Protocol</a>.</dd>
|
|
<dt id="x2039095" class="bold">
|
|
<a name="x2039095"></a>SLU</dt>
|
|
<dd>See <a href="rzaats.htm#x2037929">secondary
|
|
logical unit</a>.</dd>
|
|
<dt id="x2039099" class="bold">
|
|
<a name="x2039099"></a>SMAE</dt>
|
|
<dd>See <a href="rzaats.htm#x2040794">systems
|
|
management application entity</a>.</dd>
|
|
<dt id="x2143798" class="bold">
|
|
<a name="x2143798"></a>Small Computer System Interface (SCSI)</dt>
|
|
<dd>A standard hardware interface that enables a variety of peripheral devices
|
|
to communicate with one another. See also <a href="rzaatt.htm#x2262507">target</a>.</dd>
|
|
<dt id="x2039103" class="bold">
|
|
<a name="x2039103"></a>small integer</dt>
|
|
<dd>In DB2 UDB for iSeries, a data type indicating that the data is a binary number with a precision
|
|
of 15 bits.</dd>
|
|
<dt id="x2039108" class="bold">
|
|
<a name="x2039108"></a>SMAPP</dt>
|
|
<dd>See <a href="rzaats.htm#x2040658">system-managed access-path protection</a>.</dd>
|
|
<dt id="x2039116" class="bold">
|
|
<a name="x2039116"></a>smoothness of curve</dt>
|
|
<dd>In the GDDM function, the
|
|
connection of the plotted points in a data group by a continuous curve. On
|
|
the System/370™ system GDDM function, called curve fitting.</dd>
|
|
<dt id="x2009638" class="bold">
|
|
<a name="x2009638"></a>SMS</dt>
|
|
<dd>See <a href="rzaats.htm#x2039306">Software
|
|
Management Services</a>.</dd>
|
|
<dt id="x2009643" class="bold">
|
|
<a name="x2009643"></a>SNA</dt>
|
|
<dd>See <a href="rzaats.htm#x2005036">Systems
|
|
Network Architecture</a>.</dd>
|
|
<dt id="x2047307" class="bold">
|
|
<a name="x2047307"></a>SNA 3270 API</dt>
|
|
<dd>See <a href="rzaats.htm#x2047311">SNA 3270 program interface</a>.</dd>
|
|
<dt id="x2039220" class="bold">
|
|
<a name="x2039220"></a>SNA 3270 device emulation</dt>
|
|
<dd>A function
|
|
of the operating system that allows a system to appear to the host system
|
|
as a 3274 Control Unit.</dd>
|
|
<dt id="x2047311" class="bold">
|
|
<a name="x2047311"></a>SNA 3270 program interface</dt>
|
|
<dd>A function
|
|
that allows an application program to communicate with a System/370, 30xx,
|
|
or 43xx VTAM® program by sending and receiving 3270 data streams.</dd>
|
|
<dt id="x2039127" class="bold">
|
|
<a name="x2039127"></a>SNA backbone</dt>
|
|
<dd>In an SNA network, the
|
|
set of all interconnected nodes that consist of 37xx products running the
|
|
Network Control Program.</dd>
|
|
<dt id="x2039132" class="bold">
|
|
<a name="x2039132"></a>SNA character string</dt>
|
|
<dd>In SNA, a number
|
|
uniquely identifying a system services control point. The SSCP ID is used
|
|
in requests sent to physical units and to other system services control points.</dd>
|
|
<dt id="x2039137" class="bold">
|
|
<a name="x2039137"></a>SNA distribution services</dt>
|
|
<dd>See <a href="rzaats.htm#x2040803">Systems Network Architecture distribution services</a>.</dd>
|
|
<dt id="x2039142" class="bold">
|
|
<a name="x2039142"></a>SNADS</dt>
|
|
<dd>See <a href="rzaats.htm#x2040803">Systems Network Architecture distribution services</a>.</dd>
|
|
<dt id="x2039146" class="bold">
|
|
<a name="x2039146"></a>SNADS receiver</dt>
|
|
<dd>A user-configured
|
|
(using the ADDCMNE command) batch job that is started in the subsystem specified
|
|
on the communications entry when the system receives SNADS distribution from
|
|
a sending system in the SNADS network. See also <a href="rzaats.htm#x2039156">SNADS
|
|
sender</a>.</dd>
|
|
<dt id="x2039151" class="bold">
|
|
<a name="x2039151"></a>SNADS router</dt>
|
|
<dd>A system-provided batch
|
|
job that runs in the QSNADS subsystem and routes distributions to the configured
|
|
distribution queue.</dd>
|
|
<dt id="x2039156" class="bold">
|
|
<a name="x2039156"></a>SNADS sender</dt>
|
|
<dd>A user-configured (by
|
|
using the CFGDSTSRV command to add the SNADS distribution queue) batch job
|
|
that is started in the QSNADS subsystem, and sends distributions to another
|
|
system in the SNADS network. See also <a href="rzaats.htm#x2039146">SNADS receiver</a>.</dd>
|
|
<dt id="x2039161" class="bold">
|
|
<a name="x2039161"></a>SNA/File Services</dt>
|
|
<dd>See <a href="rzaats.htm#x2040807">Systems Network Architecture File Services</a>.</dd>
|
|
<dt id="x2047207" class="bold">
|
|
<a name="x2047207"></a>SNA/FS</dt>
|
|
<dd>See <a href="rzaats.htm#x2040807">Systems Network Architecture File Services</a>.</dd>
|
|
<dt id="x2039170" class="bold">
|
|
<a name="x2039170"></a>SNA/Management Services Transport</dt>
|
|
<dd>See <a href="rzaats.htm#x2040811">Systems Network Architecture Management Services
|
|
Transport</a>.</dd>
|
|
<dt id="x2039175" class="bold">
|
|
<a name="x2039175"></a>SNA/MS Transport</dt>
|
|
<dd>See <a href="rzaats.htm#x2040811">Systems Network Architecture Management Services Transport</a>.</dd>
|
|
<dt id="x2004637" class="bold">
|
|
<a name="x2004637"></a>SNA network</dt>
|
|
<dd>The part of the user
|
|
application network that conforms to the formats and protocols of Systems
|
|
Network Architecture (SNA). It enables reliable transfer of data among users
|
|
and provides protocols for controlling the resources of various network configurations.
|
|
The SNA network consists of network addressable units (NAUs), gateway function,
|
|
intermediate session routing function components, and the transport network.</dd>
|
|
<dt id="x2039182" class="bold">
|
|
<a name="x2039182"></a>SNA pass-through</dt>
|
|
<dd>The i5/OS software processes
|
|
through which SNA data is passed from source secondary applications or devices
|
|
to target primary applications. SNA pass-through supports LU session types
|
|
0 through 3.</dd>
|
|
<dt id="x2039187" class="bold">
|
|
<a name="x2039187"></a>snap-in</dt>
|
|
<dd>A registered user exit program
|
|
that is defined to be called from mail server framework user exit points.
|
|
The mail server framework user exit points are referred to as ports by the
|
|
mail server framework. Systems will snap-in the programs that are needed to
|
|
operate.</dd>
|
|
<dt id="x2039192" class="bold">
|
|
<a name="x2039192"></a>snap-in provided information (SPIN)</dt>
|
|
<dd>An area where snap-in user exit points programs can store information that
|
|
other snap-ins can use. SPIN provides a place where information relating to
|
|
a specific recipient can be stored and used by snap-ins in the same user exit
|
|
point or in different user exit points. The information that is stored in
|
|
snap-in provided information is completely user defined and interpreted data.</dd>
|
|
<dt id="x2039197" class="bold">
|
|
<a name="x2039197"></a>SNA Primary LU2 Support (SPLS)</dt>
|
|
<dd>The i5/OS communications support that allows 3270-type displays and 3287-type
|
|
printers to communicate with iSeries systems through an SNA network.</dd>
|
|
<dt id="x2039202" class="bold">
|
|
<a name="x2039202"></a>SNA remote job entry (RJE)</dt>
|
|
<dd>See <a href="rzaatr.htm#x2036643">remote job entry</a>.</dd>
|
|
<dt id="x2039206" class="bold">
|
|
<a name="x2039206"></a>SNA report code</dt>
|
|
<dd>In SNA, a registered
|
|
code identifying the condition that is being reported.</dd>
|
|
<dt id="x2039211" class="bold">
|
|
<a name="x2039211"></a>SNA upline facility (SNUF)</dt>
|
|
<dd>The communications
|
|
support that allows the iSeries system to communicate with CICS/VS
|
|
and IMS/VS application programs on a host system. For example, DHCF communicates
|
|
with HCF and DSNX communicates with the NetView® Distribution Manager program.</dd>
|
|
<dt id="x2039230" class="bold">
|
|
<a name="x2039230"></a>SNBU</dt>
|
|
<dd>See <a href="rzaats.htm#x2040374">switched
|
|
network backup</a>.</dd>
|
|
<dt id="x2039234" class="bold">
|
|
<a name="x2039234"></a>sniffing</dt>
|
|
<dd>The practice of monitoring
|
|
or eavesdropping on electronic transmissions. Information that is sent across
|
|
the Internet might pass through many routers before it reaches its destination.
|
|
Any of those routers can sniff the transmission and attempt to interpret the
|
|
information. Passwords or other confidential information that is sent in unencrypted
|
|
form might be discovered.</dd>
|
|
<dt id="x2039243" class="bold">
|
|
<a name="x2039243"></a>SNMP agent</dt>
|
|
<dd>A server process that
|
|
resides on a network node and is responsible for communicating with managers
|
|
regarding that node. The node is represented as a managed object, which has
|
|
various fields or variables that are defined in the appropriate MIB.</dd>
|
|
<dt id="x2039248" class="bold">
|
|
<a name="x2039248"></a>SNMP manager</dt>
|
|
<dd>A managing system that
|
|
runs a managing application or suite of applications. These applications depend
|
|
on Management Information Base (MIB) objects for information that resides
|
|
on the managed system. Managers generate requests for this MIB information,
|
|
and an SNMP agent on the managed system responds to these requests. A request
|
|
can either be the retrieval or modification of MIB information.</dd>
|
|
<dt id="x2039253" class="bold">
|
|
<a name="x2039253"></a>SNRM</dt>
|
|
<dd>See <a href="rzaats.htm#x2038594">set
|
|
normal response mode</a>.</dd>
|
|
<dt id="x2398163" class="bold">
|
|
<a name="x2398163"></a>SNUF</dt>
|
|
<dd>See <a href="rzaats.htm#x2039211">SNA
|
|
upline facility</a>.</dd>
|
|
<dt id="x2004647" class="bold">
|
|
<a name="x2004647"></a>socket</dt>
|
|
<dd>(1) In TCP/IP, the internet address
|
|
of the host computer on which the application runs, and the port number it
|
|
uses. A TCP/IP application is identified by its socket.</dd>
|
|
<dd>(2) A method
|
|
of communication between two processes. A socket is an identifier that the
|
|
application uses to uniquely identify an end point of communications. The
|
|
user associates a protocol address with the socket by associating a socket
|
|
address with the socket.</dd>
|
|
<dt id="x2039267" class="bold">
|
|
<a name="x2039267"></a>socket address</dt>
|
|
<dd>A data structure that
|
|
uniquely identifies a specific communications end point. It also specifies
|
|
the protocol family. For example, a TCP/IP socket address consists of a port
|
|
number and a host address.</dd>
|
|
<dt id="x2047321" class="bold">
|
|
<a name="x2047321"></a>socket API</dt>
|
|
<dd>See <a href="rzaats.htm#x2047316">socket application programming interface</a>.</dd>
|
|
<dt id="x2047316" class="bold">
|
|
<a name="x2047316"></a>socket application programming interface (socket
|
|
API)</dt>
|
|
<dd>An industry standard API that provides application programs
|
|
with a connection-oriented or a connectionless transfer of data over multiple
|
|
protocols.</dd>
|
|
<dt id="x2039277" class="bold">
|
|
<a name="x2039277"></a>Sockets Secure (SOCKS)</dt>
|
|
<dd>(1) A client/server
|
|
architecture that transports TCP/IP traffic through a secure gateway. A SOCKS
|
|
server performs many of the same services that a proxy server does.</dd>
|
|
<dd>(2) A mechanism by which a secure proxy data channel can be established
|
|
between two computers.</dd>
|
|
<dt id="x2196452" class="bold">
|
|
<a name="x2196452"></a>sockets server</dt>
|
|
<dd>See <a href="rzaats.htm#x2039286">SOCKS server</a>.</dd>
|
|
<dt id="x2269832" class="bold">
|
|
<a name="x2269832"></a>SOCKS</dt>
|
|
<dd>See <a href="rzaats.htm#x2039277">Sockets Secure</a>.</dd>
|
|
<dt id="x2039286" class="bold">
|
|
<a name="x2039286"></a>SOCKS server</dt>
|
|
<dd>A proxy server that
|
|
provides a secure one-way connection through a firewall to server applications
|
|
in a nonsecure network. The server applications in the secure network must
|
|
be compatible with the socket interface.</dd>
|
|
<dt id="x2039291" class="bold">
|
|
<a name="x2039291"></a>softcopy</dt>
|
|
<dd>One or more files that can
|
|
be electronically distributed, manipulated, and printed by a user.</dd>
|
|
<dt id="x2039301" class="bold">
|
|
<a name="x2039301"></a>software license key</dt>
|
|
<dd>An authorization
|
|
that regulates the use of software licensed programs. Software license keys
|
|
need to be installed on the system when software is upgraded or moved, the
|
|
hardware processor group is changed, additional license usage is added, or
|
|
new software that requires license keys is purchased.</dd>
|
|
<dt id="x2039306" class="bold">
|
|
<a name="x2039306"></a>Software Management Services (SMS)</dt>
|
|
<dd>A set of offerings that provide the user with a consistent distribution, installation,
|
|
and service strategy for both IBM licensed programs and System Manager-packaged
|
|
programs.</dd>
|
|
<dt id="x2039311" class="bold">
|
|
<a name="x2039311"></a>SOH</dt>
|
|
<dd>See <a href="rzaats.htm#x2039767">start-of-header
|
|
character</a>.</dd>
|
|
<dt id="x2047405" class="bold">
|
|
<a name="x2047405"></a>SOH character</dt>
|
|
<dd>See <a href="rzaats.htm#x2039767">start-of-header character</a>.</dd>
|
|
<dt id="x2039315" class="bold">
|
|
<a name="x2039315"></a>sort file</dt>
|
|
<dd>In COBOL, the temporary
|
|
file that contains all the records to be sorted by a SORT statement. The sort
|
|
file is created and used only by the sort function.</dd>
|
|
<dt id="x2039320" class="bold">
|
|
<a name="x2039320"></a>sort-merge file description entry</dt>
|
|
<dd>In COBOL, an entry in the File Section of the Data Division that is composed
|
|
of the level indicator SD, followed by a filename, and then followed by a
|
|
set of file clauses as required.</dd>
|
|
<dt id="x2039325" class="bold">
|
|
<a name="x2039325"></a>sort sequence</dt>
|
|
<dd>The order in which
|
|
characters are arranged within the computer to sort, combine, or compare data.
|
|
A binary sort uses the internal representation of a character to sort characters
|
|
in a sequence. When you use binary representation to sort characters, your
|
|
resulting data may not be in the order that you expect.</dd>
|
|
<dt id="x2039330" class="bold">
|
|
<a name="x2039330"></a>sort sequence table</dt>
|
|
<dd>A table containing
|
|
the order in which characters are arranged within the computer for sorting,
|
|
combining, or comparing.</dd>
|
|
<dt id="x2039335" class="bold">
|
|
<a name="x2039335"></a>sort utility</dt>
|
|
<dd>A function of the operating
|
|
system used to arrange records in a sequence determined by data contained
|
|
in one or more fields in the record.</dd>
|
|
<dt id="x2004662" class="bold">
|
|
<a name="x2004662"></a>source</dt>
|
|
<dd>In VisualAge RPG, a
|
|
part that can notify target parts whenever the state of the source part changes.
|
|
A source part can have multiple targets.</dd>
|
|
<dt id="x2039343" class="bold">
|
|
<a name="x2039343"></a>source address</dt>
|
|
<dd>The location from
|
|
which information is to be sent. See also <a href="rzaatd.htm#x2020218">destination
|
|
address</a>.</dd>
|
|
<dt id="x2039348" class="bold">
|
|
<a name="x2039348"></a>source data queue program</dt>
|
|
<dd>In iSeries Access, a series of PC programs that allow end users or user-written
|
|
programs to manipulate data using data queues.</dd>
|
|
<dt id="x2039353" class="bold">
|
|
<a name="x2039353"></a>source debugger</dt>
|
|
<dd>A tool for debugging
|
|
Integrated Language Environment® (ILE) programs by displaying
|
|
a representation of their source code. See also <a href="rzaats.htm#x2040414">symbolic
|
|
debugger</a>.</dd>
|
|
<dt id="x2039358" class="bold">
|
|
<a name="x2039358"></a>source directory</dt>
|
|
<dd>In VisualAge RPG, the
|
|
directory in which all source files for the VRPG application are stored.</dd>
|
|
<dt id="x2039363" class="bold">
|
|
<a name="x2039363"></a>source distributed data manager (SDDM)</dt>
|
|
<dd>In a distributed data management network, programming support that translates
|
|
local data management requests for remote files or SQL requests for a remote
|
|
database into a DDM request, establishes communications to the remote system
|
|
where the data file or database is located, and sends the request to the remote
|
|
(target) system for processing. See also <a href="rzaatt.htm#x2041014">target distributed
|
|
data manager</a>.</dd>
|
|
<dt id="x2039368" class="bold">
|
|
<a name="x2039368"></a>source entry utility (SEU)</dt>
|
|
<dd>A function
|
|
of the Application Development ToolSet licensed program that is used to create
|
|
and change source members.</dd>
|
|
<dt id="x2039373" class="bold">
|
|
<a name="x2039373"></a>source file</dt>
|
|
<dd>A file of programming
|
|
code that is not compiled into machine language. A source file can be created
|
|
by the specification of FILETYPE(*SRC) on the Create command. A source file
|
|
can contain source statements for such items as high-level language programs
|
|
and data description specifications. See also <a href="rzaatd.htm#x2019382">data file</a>.</dd>
|
|
<dt id="x2039378" class="bold">
|
|
<a name="x2039378"></a>source listing</dt>
|
|
<dd>A portion of a compiler
|
|
listing that contains source statements and, optionally, test results.</dd>
|
|
<dt id="x2039383" class="bold">
|
|
<a name="x2039383"></a>source member</dt>
|
|
<dd>A member of a database
|
|
source file that contains source statements, such as ILEC, COBOL, RPG, or
|
|
DDS statements.</dd>
|
|
<dt id="x2039388" class="bold">
|
|
<a name="x2039388"></a>source overlay</dt>
|
|
<dd>In AFP Utilities, a
|
|
file member that contains the definition of an overlay.</dd>
|
|
<dt id="x2039393" class="bold">
|
|
<a name="x2039393"></a>source physical file</dt>
|
|
<dd>In i5/OS, a file that
|
|
contains members and that stores text or source statements instead of data.</dd>
|
|
<dt id="x2004677" class="bold">
|
|
<a name="x2004677"></a>source program</dt>
|
|
<dd>(1) In communications,
|
|
the program that starts a session with a remote system. See also <a href="rzaatt.htm#x2041034">target program</a>.</dd>
|
|
<dd>(2) A set of instructions that are written in
|
|
a programming language and must be translated to machine language before the
|
|
program can be run.</dd>
|
|
<dd>(3) In DB2 UDB for iSeries, the source in an i5/OS source file
|
|
member used to create an SQL program.</dd>
|
|
<dt id="x2039407" class="bold">
|
|
<a name="x2039407"></a>source release</dt>
|
|
<dd>During software upgrades,
|
|
the version, release, and modification level of the installed product before
|
|
a new level of the product is installed. See also <a href="rzaatt.htm#x2041050">target
|
|
release</a>.</dd>
|
|
<dt id="x2004682" class="bold">
|
|
<a name="x2004682"></a>source server</dt>
|
|
<dd>A server that is being
|
|
upgraded with new hardware or software or whose data is being migrated.</dd>
|
|
<dt id="x2039412" class="bold">
|
|
<a name="x2039412"></a>source service access point (SSAP)</dt>
|
|
<dd>In SNA and TCP/IP, a logical address that allows a system to send data to
|
|
a remote device from the appropriate communications support. See also <a href="rzaatd.htm#x2020243">destination service access point</a>.</dd>
|
|
<dt id="x2039417" class="bold">
|
|
<a name="x2039417"></a>source statement</dt>
|
|
<dd>A statement written
|
|
in the symbols of a programming language. For example, COBOL, RPG, and DDS
|
|
statements are source statements.</dd>
|
|
<dt id="x2039422" class="bold">
|
|
<a name="x2039422"></a>source system</dt>
|
|
<dd>(1) The system that currently
|
|
owns the production copy of an independent disk pool in a cross-site mirroring
|
|
(XSM) environment. Changes to the production copy of an independent disk pool
|
|
are replicated to all mirror copies of the independent disk pool that exist
|
|
on backup nodes within the recovery domain.</dd>
|
|
<dd>(2) In distributed data
|
|
management (DDM), a system containing an application program that requests
|
|
access to data in another system.</dd>
|
|
<dd>(3) The system that sends information
|
|
in a network of systems that exchange objects and data. See also <a href="rzaatt.htm#x2041058">target system</a>.</dd>
|
|
<dd>(4) In upgrades, the existing system that is being
|
|
upgraded with new hardware or a new level of software.</dd>
|
|
<dd>(5) In communications,
|
|
the system that issues a request to establish communications with another
|
|
system.</dd>
|
|
<dt id="x2004692" class="bold">
|
|
<a name="x2004692"></a>source type</dt>
|
|
<dd>In the application development
|
|
tools, a characteristic of i5/OS members that allows the user to select
|
|
a subset of the members available in a CoOperative Development Environment/400
|
|
session. Source types include i5/OS members with a particular member type.</dd>
|
|
<dt id="x2039442" class="bold">
|
|
<a name="x2039442"></a>space</dt>
|
|
<dd>(1) Any storage area that can be
|
|
directly accessed, down to its individual (8-bit) bytes, by a machine interface
|
|
user such as a program or procedure.</dd>
|
|
<dd>(2) A sequence of one or more
|
|
blank characters.</dd>
|
|
<dt id="x2039450" class="bold">
|
|
<a name="x2039450"></a>spacebar</dt>
|
|
<dd>A control key for the spacing
|
|
function.</dd>
|
|
<dt id="x2039455" class="bold">
|
|
<a name="x2039455"></a>spanned record</dt>
|
|
<dd>A logical record stored
|
|
in more than one block on a storage medium.</dd>
|
|
<dt id="x2039460" class="bold">
|
|
<a name="x2039460"></a>spawn</dt>
|
|
<dd>A function that creates a new
|
|
process (child process) and which inherits many attributes of the calling
|
|
process (parent process). A new program is specified and starts running in
|
|
the child process.</dd>
|
|
<dt id="x2039465" class="bold">
|
|
<a name="x2039465"></a>SPCN</dt>
|
|
<dd>See <a href="rzaats.htm#x2040714">system
|
|
power control network</a>.</dd>
|
|
<dt id="x2205796" class="bold">
|
|
<a name="x2205796"></a>SPD</dt>
|
|
<dd>See <a href="rzaats.htm#x2210428">system
|
|
product division</a>.</dd>
|
|
<dt id="x2210922" class="bold">
|
|
<a name="x2210922"></a>SPD bus</dt>
|
|
<dd>An iSeries input/output
|
|
bus architecture.</dd>
|
|
<dt id="x2039469" class="bold">
|
|
<a name="x2039469"></a>SPDU</dt>
|
|
<dd>See <a href="rzaats.htm#x2038555">session-layer
|
|
protocol data unit</a>.</dd>
|
|
<dt id="x2039473" class="bold">
|
|
<a name="x2039473"></a>special authority</dt>
|
|
<dd>The types of authority
|
|
a user can have to perform system functions, including all object authority,
|
|
save system authority, job control authority, security administrator authority,
|
|
spool control authority, service authority, and system configuration authority.
|
|
See also <a href="rzaats.htm#x2039515">specific authority</a>.</dd>
|
|
<dt id="x2039478" class="bold">
|
|
<a name="x2039478"></a>special character</dt>
|
|
<dd>(1) In REXX, a token
|
|
that acts as a delimiter when found outside a literal string. Special characters
|
|
include the comma (,), semicolon (;), colon (:), right parenthesis ()), left
|
|
parenthesis ((), and the individual characters from the operators.</dd>
|
|
<dd>(2) A character other than a digit, a letter, or $, #, @, ., or _. For example,
|
|
*, +, and % are special characters.</dd>
|
|
<dd>(3) In COBOL, a character that
|
|
is neither numeric nor alphabetic.</dd>
|
|
<dt id="x2039489" class="bold">
|
|
<a name="x2039489"></a>special-character keyboard set</dt>
|
|
<dd>In iSeries Access, an optional keyboard set, used by Western European countries
|
|
and the Americas, that contains special characters like the Spanish tilde
|
|
or the international currency symbol.</dd>
|
|
<dt id="x2039494" class="bold">
|
|
<a name="x2039494"></a>special-character word</dt>
|
|
<dd>In COBOL,
|
|
a reserved word that is an arithmetic operator or a relational character.</dd>
|
|
<dt id="x2004697" class="bold">
|
|
<a name="x2004697"></a>special register</dt>
|
|
<dd>(1) A storage area whose
|
|
primary use is to store information produced in conjunction with the use of
|
|
specific SQL functions. The DB2 UDB for iSeries special registers can be (named) USER,
|
|
CURRENT SERVER, CURRENT TIMESTAMP, CURRENT TIME, CURRENT DATE, and CURRENT
|
|
TIMEZONE.</dd>
|
|
<dd>(2) In COBOL, compiler-created data items used to store
|
|
information produced by specific COBOL features (for example, the DEBUG-ITEM
|
|
special register).</dd>
|
|
<dt id="x2039505" class="bold">
|
|
<a name="x2039505"></a>special variable</dt>
|
|
<dd>In REXX, a variable
|
|
set automatically by the language processor. Special variables are RC, RESULT,
|
|
and SIGL.</dd>
|
|
<dt id="x2039530" class="bold">
|
|
<a name="x2039530"></a>Specification 1170</dt>
|
|
<dd>A series of system
|
|
interfaces, headers, and utilities. Specification 1170 is a superset (with
|
|
some changes) of the POSIX 1003.1 and POSIX 1003.2 standards. Specification
|
|
1170 is also a superset of XPG4 Base. It includes sockets, the SVID real-time
|
|
model for interprocess communications, and miscellaneous interfaces.</dd>
|
|
<dt id="x2191216" class="bold">
|
|
<a name="x2191216"></a>specification X.21 (X.21)</dt>
|
|
<dd>In data
|
|
communications, a specification of the CCITT that defines the connection of
|
|
data terminal equipment to an X.21 (public data) network.</dd>
|
|
<dt id="x2039515" class="bold">
|
|
<a name="x2039515"></a>specific authority</dt>
|
|
<dd>The types of authority
|
|
a user can be given to use the system resources, including object authorities
|
|
and data authorities. See also <a href="rzaats.htm#x2039473">special authority</a>.</dd>
|
|
<dt id="x2039520" class="bold">
|
|
<a name="x2039520"></a>specific poll</dt>
|
|
<dd>One of the locations
|
|
on a polling list.</dd>
|
|
<dt id="x2039525" class="bold">
|
|
<a name="x2039525"></a>specific polling</dt>
|
|
<dd>In Managed System
|
|
Services, a type of polling used by the topology manager when collecting topology
|
|
information for a particular system in the network.</dd>
|
|
<dt id="x2039540" class="bold">
|
|
<a name="x2039540"></a>spell mode</dt>
|
|
<dd>The method of operation
|
|
that uses spell aid and spell check functions to proofread and replace words
|
|
in a document.</dd>
|
|
<dt id="x2039545" class="bold">
|
|
<a name="x2039545"></a>sphere of control</dt>
|
|
<dd>In SNA, a collection
|
|
of network node control points for which another system is acting as a focal
|
|
point. This collection includes both control points explicitly defined by
|
|
the customer, if the controlling system is a primary focal point, and control
|
|
points assumed by the system if the controlling system is a default focal
|
|
point.</dd>
|
|
<dt id="x2047123" class="bold">
|
|
<a name="x2047123"></a>SPI</dt>
|
|
<dd>See <a href="rzaats.htm#x2038034">Security
|
|
Policy Index</a>.</dd>
|
|
<dt id="x2039558" class="bold">
|
|
<a name="x2039558"></a>spider label</dt>
|
|
<dd>In the GDDM function, a
|
|
label used to add a comment or a note for a pie-chart slice. Each label is
|
|
joined to its associated slice by a line.</dd>
|
|
<dt id="x2039563" class="bold">
|
|
<a name="x2039563"></a>SPIN</dt>
|
|
<dd>See <a href="rzaats.htm#x2039192">snap-in
|
|
provided information</a>.</dd>
|
|
<dt id="x2039567" class="bold">
|
|
<a name="x2039567"></a>spin button</dt>
|
|
<dd>A type of entry field
|
|
that shows a scrollable ring of choices from which a user can select a choice.
|
|
After the last choice is displayed, the first choice is displayed again. A
|
|
user can also type a choice from the scrollable ring into the entry field
|
|
without interacting with the spin button.</dd>
|
|
<dt id="x2039572" class="bold">
|
|
<a name="x2039572"></a>splitting</dt>
|
|
<dd>In OSI, the technique of
|
|
a single transport connection using multiple network connections so that an
|
|
application entity can use more than one line to send data on an association.
|
|
Splitting can increase data throughput and resistance to network failure.
|
|
It might be used, for example, to send a large file more quickly than if a
|
|
single line were used. Splitting is available only with transport layer class
|
|
4.</dd>
|
|
<dt id="x2039577" class="bold">
|
|
<a name="x2039577"></a>SPLS</dt>
|
|
<dd>See <a href="rzaats.htm#x2039197">SNA
|
|
Primary LU2 Support</a>.</dd>
|
|
<dt id="x2039581" class="bold">
|
|
<a name="x2039581"></a>spoofing</dt>
|
|
<dd>The practice of masquerading
|
|
as a trusted system to try to obtain confidential information. For example,
|
|
when a would-be intruder sets up a client system with an IP address that is
|
|
trusted by another system, it is called IP spoofing.</dd>
|
|
<dt id="x2039586" class="bold">
|
|
<a name="x2039586"></a>spool</dt>
|
|
<dd>(1) To reduce, through the use
|
|
of auxiliary storage as buffer storage, processing delays when transferring
|
|
data between peripheral equipment and the processors of a computer.</dd>
|
|
<dd>(2) The system function of putting files or jobs into disk storage for later
|
|
processing or printing.</dd>
|
|
<dt id="x2039595" class="bold">
|
|
<a name="x2039595"></a>spool control authority</dt>
|
|
<dd>A special
|
|
authority that allows the user to perform spooling functions, such as display,
|
|
delete, hold, and release spooled files on the output queue for himself and
|
|
other users. This authority also allows the user to change the spooled file
|
|
attributes, such as the printer used to print the file.</dd>
|
|
<dt id="x2039600" class="bold">
|
|
<a name="x2039600"></a>spooled file</dt>
|
|
<dd>A file that holds output
|
|
data waiting to be processed, such as information waiting to be printed.</dd>
|
|
<dt id="x2039609" class="bold">
|
|
<a name="x2039609"></a>spooling job</dt>
|
|
<dd>A batch job that is
|
|
started by the spooling subsystem.</dd>
|
|
<dt id="x2039614" class="bold">
|
|
<a name="x2039614"></a>spooling reader</dt>
|
|
<dd>The general name
|
|
to refer to the function of the diskette reader and the database reader.</dd>
|
|
<dt id="x2039619" class="bold">
|
|
<a name="x2039619"></a>spooling subsystem</dt>
|
|
<dd>A part of the
|
|
system that provides the operating environment for the programs that read
|
|
jobs onto job queues to wait for processing and write files from an output
|
|
queue to an output device. IBM supplies one spooling subsystem: QSPL.</dd>
|
|
<dt id="x2039624" class="bold">
|
|
<a name="x2039624"></a>spooling writer</dt>
|
|
<dd>The general name
|
|
to refer to the function of the diskette writer and printer writer.</dd>
|
|
<dt id="x2039629" class="bold">
|
|
<a name="x2039629"></a>SPX</dt>
|
|
<dd>See <a href="rzaats.htm#x2038222">Sequenced
|
|
Packet Exchange protocol</a>.</dd>
|
|
<dt id="x2009651" class="bold">
|
|
<a name="x2009651"></a>SQL</dt>
|
|
<dd>See <a href="rzaats.htm#x2004901">Structured
|
|
Query Language</a>.</dd>
|
|
<dt id="x2039635" class="bold">
|
|
<a name="x2039635"></a>SQLAM</dt>
|
|
<dd>See <a href="rzaats.htm#x2039639">SQL application manager</a>.</dd>
|
|
<dt id="x2039639" class="bold">
|
|
<a name="x2039639"></a>SQL application manager (SQLAM)</dt>
|
|
<dd>A function that represents an application to the remote relational database
|
|
manager. The SQL application manager can be present in both an application
|
|
requester and an application server.</dd>
|
|
<dt id="x2009659" class="bold">
|
|
<a name="x2009659"></a>SQLCA</dt>
|
|
<dd>See <a href="rzaats.htm#x2004730">SQL communication area</a>.</dd>
|
|
<dt id="x2004730" class="bold">
|
|
<a name="x2004730"></a>SQL communication area (SQLCA)</dt>
|
|
<dd>A
|
|
set of variables that provides an application program with information about
|
|
the execution of its SQL statements or its requests from the database manager.</dd>
|
|
<dt id="x2009663" class="bold">
|
|
<a name="x2009663"></a>SQLDA</dt>
|
|
<dd>See <a href="rzaats.htm#x2004740">SQL descriptor area</a>.</dd>
|
|
<dt id="x2004740" class="bold">
|
|
<a name="x2004740"></a>SQL descriptor area (SQLDA)</dt>
|
|
<dd>A set
|
|
of variables that is used in the processing of certain SQL statements. The
|
|
SQLDA is intended for dynamic SQL programs.</dd>
|
|
<dt id="x2039644" class="bold">
|
|
<a name="x2039644"></a>SQL query</dt>
|
|
<dd>In query management, a
|
|
type of query that is created by running an IMPORT command against a file
|
|
containing an SQL statement.</dd>
|
|
<dt id="x2039649" class="bold">
|
|
<a name="x2039649"></a>SRC</dt>
|
|
<dd>See <a href="rzaats.htm#x2040734">system
|
|
reference code</a>.</dd>
|
|
<dt id="x2039653" class="bold">
|
|
<a name="x2039653"></a>SRCB</dt>
|
|
<dd>See <a href="rzaats.htm#x2040185">subrecord
|
|
control byte</a>.</dd>
|
|
<dt id="x2039657" class="bold">
|
|
<a name="x2039657"></a>S reference point</dt>
|
|
<dd>In Performance
|
|
Tools, the interface (including the cable) between the terminal equipment
|
|
(TE) and network termination 2 (NT2).</dd>
|
|
<dt id="x2039662" class="bold">
|
|
<a name="x2039662"></a>SRM</dt>
|
|
<dd>See <a href="rzaats.htm#x2040754">system
|
|
resources manager</a>.</dd>
|
|
<dt id="x2189306" class="bold">
|
|
<a name="x2189306"></a>SRM database object</dt>
|
|
<dd>See <a href="rzaats.htm#x2040744">system resource management database object</a>.</dd>
|
|
<dt id="x2039670" class="bold">
|
|
<a name="x2039670"></a>SS</dt>
|
|
<dd>See <a href="rzaats.htm#x2039777">start-stop</a>.</dd>
|
|
<dt id="x2039674" class="bold">
|
|
<a name="x2039674"></a>SSAP</dt>
|
|
<dd>(1) See <a href="rzaats.htm#x2039412">source
|
|
service access point</a>.</dd>
|
|
<dd>(2) See <a href="rzaats.htm#x2038560">session-layer
|
|
service access point</a>.</dd>
|
|
<dt id="x2039679" class="bold">
|
|
<a name="x2039679"></a>SSAP selector</dt>
|
|
<dd>In OSI, an external
|
|
identifier for a service access point at the session layer. The SSAP selector
|
|
is part of a presentation address.</dd>
|
|
<dt id="x2009667" class="bold">
|
|
<a name="x2009667"></a>SSCP</dt>
|
|
<dd>See <a href="rzaats.htm#x2005031">system
|
|
services control point</a>.</dd>
|
|
<dt id="x2039686" class="bold">
|
|
<a name="x2039686"></a>SSCP ID</dt>
|
|
<dd>See <a href="rzaats.htm#x2040764">system services control point identifier</a>.</dd>
|
|
<dt id="x2039691" class="bold">
|
|
<a name="x2039691"></a>SSDU</dt>
|
|
<dd>See <a href="rzaats.htm#x2038565">session-layer
|
|
service data unit</a>.</dd>
|
|
<dt id="x2449110" class="bold">
|
|
<a name="x2449110"></a>SSL</dt>
|
|
<dd>See <a href="rzaats.htm#x2038004">Secure
|
|
Sockets Layer</a>.</dd>
|
|
<dt id="x2450147" class="bold">
|
|
<a name="x2450147"></a>SS, SS transmission</dt>
|
|
<dd>See <a href="rzaata.htm#x2014304">asynchronous transmission</a>.</dd>
|
|
<dt id="x2039703" class="bold">
|
|
<a name="x2039703"></a>SST</dt>
|
|
<dd>See <a href="rzaats.htm#x2040771">system
|
|
service tools</a>.</dd>
|
|
<dt id="x2039707" class="bold">
|
|
<a name="x2039707"></a>stale</dt>
|
|
<dd>In the Application Development
|
|
Manager feature of the Application Development ToolSet licensed program, pertaining
|
|
to a part whose source and related parts have changed since the part was last
|
|
built. See also <a href="rzaatc.htm#x2018952">current</a>.</dd>
|
|
<dt id="x2039712" class="bold">
|
|
<a name="x2039712"></a>stand-alone dump</dt>
|
|
<dd>A printout of main
|
|
storage requested separately from normal system operations, which does not
|
|
require the system to be in a condition for normal operations.</dd>
|
|
<dt id="x2039717" class="bold">
|
|
<a name="x2039717"></a>stand-alone system</dt>
|
|
<dd>A system that
|
|
runs application programs independently of another system. The exchange of
|
|
data files or applications with another system is done manually, through portable
|
|
media, such as diskette or tape.</dd>
|
|
<dt id="x2039727" class="bold">
|
|
<a name="x2039727"></a>standard data format</dt>
|
|
<dd>In COBOL, the
|
|
format in which data is described as it appears when it is printed rather
|
|
than how it is stored in the computer.</dd>
|
|
<dt id="x2039732" class="bold">
|
|
<a name="x2039732"></a>standard error (STDERR)</dt>
|
|
<dd>An output
|
|
file intended to be used for error messages for C programs.</dd>
|
|
<dt id="x2039737" class="bold">
|
|
<a name="x2039737"></a>Standard Generalized Markup Language (SGML)</dt>
|
|
<dd>A standard metalanguage for defining markup languages that is based
|
|
on the ISO 8879 standard. SGML focuses on structuring information rather than
|
|
presenting information; it separates the structure and content from the presentation.
|
|
It also facilitates the interchange of documents across an electronic medium.</dd>
|
|
<dt id="x2039742" class="bold">
|
|
<a name="x2039742"></a>standard input (STDIN)</dt>
|
|
<dd>An input file
|
|
intended to be used for primary data input into a C program.</dd>
|
|
<dt id="x2039747" class="bold">
|
|
<a name="x2039747"></a>standard output (STDOUT)</dt>
|
|
<dd>An output
|
|
file intended to be used for primary data output for C programs.</dd>
|
|
<dt id="x2039752" class="bold">
|
|
<a name="x2039752"></a>standard set</dt>
|
|
<dd>A group of CD-ROMs that
|
|
contains the i5/OS program, no-charge options, and no-charge licensed programs.</dd>
|
|
<dt id="x2039757" class="bold">
|
|
<a name="x2039757"></a>start-control-program-function job (SCPF job)</dt>
|
|
<dd>A job used during a portion of the initial program load process
|
|
that starts the operating system.</dd>
|
|
<dt id="x2191012" class="bold">
|
|
<a name="x2191012"></a>start data traffic (SDT)</dt>
|
|
<dd>In SNA,
|
|
a command issued by the primary logical unit, which allows user data to be
|
|
sent on the logical unit-to-logical unit (LU-to-LU) session.</dd>
|
|
<dt id="x2039762" class="bold">
|
|
<a name="x2039762"></a>starter set</dt>
|
|
<dd>In the OSI Communications
|
|
Subsystem licensed program, the subset of the programming interface that can
|
|
be used by customer programs that use simplified data communications.</dd>
|
|
<dt id="x2039767" class="bold">
|
|
<a name="x2039767"></a>start-of-header character (SOH character)</dt>
|
|
<dd>In binary synchronous communications, the transmission control character
|
|
indicating that the information that follows is a header.</dd>
|
|
<dt id="x2039772" class="bold">
|
|
<a name="x2039772"></a>start-of-text character (STX character)</dt>
|
|
<dd>In binary synchronous communications, a transmission control character
|
|
used to begin a logical set of records that will be ended by the end-of-text
|
|
character or end-of-transmission-block character.</dd>
|
|
<dt id="x2039777" class="bold">
|
|
<a name="x2039777"></a>start-stop (SS)</dt>
|
|
<dd>Pertaining to asynchronous
|
|
communications line control that uses start signals and stop signals to control
|
|
the transfer of data over a communications line. Each group of signals representing
|
|
a character is preceded by a start signal and followed by a stop signal. See
|
|
also <a href="rzaata.htm#x2049308">asynchronous communication</a>.</dd>
|
|
<dt id="x2039787" class="bold">
|
|
<a name="x2039787"></a>state</dt>
|
|
<dd>The attribute of a program
|
|
that determines the domain of objects that it can access directly.</dd>
|
|
<dt id="x2039792" class="bold">
|
|
<a name="x2039792"></a>state change</dt>
|
|
<dd>(1) In the OSI Communications
|
|
Subsystem licensed program, a change in the status of an application entity
|
|
or association--for example, an application entity changing from activated
|
|
to deactivated.</dd>
|
|
<dd>(2) In the OSI Communications Subsystem licensed program,
|
|
an event that indicates that a resource--such as a line--has had a change
|
|
in status. State change events are logged and generate a message to the operator.</dd>
|
|
<dt id="x2004818" class="bold">
|
|
<a name="x2004818"></a>statement</dt>
|
|
<dd>An instruction in a program
|
|
or procedure.</dd>
|
|
<dt id="x2039800" class="bold">
|
|
<a name="x2039800"></a>state transition</dt>
|
|
<dd>The change from
|
|
one state to another.</dd>
|
|
<dt id="x2004833" class="bold">
|
|
<a name="x2004833"></a>static bind</dt>
|
|
<dd>A process by which SQL
|
|
statements are bound after they are precompiled. All static SQL statements
|
|
are prepared for execution at the same time. See also <a href="rzaatd.htm#x2001693">dynamic bind</a>.</dd>
|
|
<dt id="x2039805" class="bold">
|
|
<a name="x2039805"></a>static data</dt>
|
|
<dd>Data that is stored in
|
|
static storage. See also <a href="rzaata.htm#x2014744">automatic data</a>.</dd>
|
|
<dt id="x2094838" class="bold">
|
|
<a name="x2094838"></a>static method</dt>
|
|
<dd>See <a href="rzaatc.htm#x2016865">class method</a>. See also <a href="rzaati.htm#x2025515">instance method</a>.</dd>
|
|
<dt id="x2194204" class="bold">
|
|
<a name="x2194204"></a>static NAT</dt>
|
|
<dd>See <a href="rzaats.htm#x2047505">static network address translation</a>.</dd>
|
|
<dt id="x2047505" class="bold">
|
|
<a name="x2047505"></a>static network address translation (static NAT)</dt>
|
|
<dd>A one-to-one mapping of IP addresses that allows a user to map
|
|
an IP address on an internal network to an IP address that is to be made public.
|
|
If static NAT is used, traffic can initiate from either side of the connection.
|
|
See also <a href="rzaatn.htm#x2031199">network address translation</a>.</dd>
|
|
<dt id="x2039815" class="bold">
|
|
<a name="x2039815"></a>static procedure call</dt>
|
|
<dd>A high-level
|
|
language (HLL) call statement that specifies the name of an Integrated Language Environment (ILE) procedure to be called. See also <a href="rzaatp.htm#x2034836">procedure pointer call</a>.</dd>
|
|
<dt id="x2039820" class="bold">
|
|
<a name="x2039820"></a>static program call</dt>
|
|
<dd>A connection
|
|
among programs during binding (program creation time). See also <a href="rzaatd.htm#x2021628">dynamic program call</a>.</dd>
|
|
<dt id="x2039825" class="bold">
|
|
<a name="x2039825"></a>static route</dt>
|
|
<dd>A route between hosts,
|
|
between networks, or between a host and a network, that is entered into a
|
|
routing table.</dd>
|
|
<dt id="x2109206" class="bold">
|
|
<a name="x2109206"></a>static SQL</dt>
|
|
<dd>SQL statements that are
|
|
embedded within a program, and are prepared during the program preparation
|
|
process before the program is executed. After being prepared, a static SQL
|
|
statement does not change, although values of host variables specified by
|
|
the statement can change. See also <a href="rzaatd.htm#x2001698">dynamic SQL</a>.</dd>
|
|
<dt id="x2039830" class="bold">
|
|
<a name="x2039830"></a>static storage</dt>
|
|
<dd>An area that is allocated
|
|
by the system when a program is activated. Static storage exists as long as
|
|
the program activation exists. If the program has not been deactivated, the
|
|
values in the storage persist from one call to another. See also <a href="rzaata.htm#x2014809">automatic storage</a>, <a href="rzaatd.htm#x2021648">dynamic storage</a>.</dd>
|
|
<dt id="x2039835" class="bold">
|
|
<a name="x2039835"></a>station address</dt>
|
|
<dd>A 2-character hexadecimal
|
|
value from 01 to FE. For a primary controller, it is called the SDLC station
|
|
address; for a secondary controller, it is called the remote system address.</dd>
|
|
<dt id="x2039840" class="bold">
|
|
<a name="x2039840"></a>station protector</dt>
|
|
<dd>A device attached
|
|
to the system cable to protect work stations attached in different buildings
|
|
from lightning.</dd>
|
|
<dt id="x2039845" class="bold">
|
|
<a name="x2039845"></a>statistical event</dt>
|
|
<dd>In OSI, an event
|
|
counted for a specific purpose. Statistical events are logged but do not generate
|
|
a message to the operator.</dd>
|
|
<dt id="x2004848" class="bold">
|
|
<a name="x2004848"></a>status</dt>
|
|
<dd>The current condition or state
|
|
of a program or device. For example, the status of a printer.</dd>
|
|
<dt id="x2039853" class="bold">
|
|
<a name="x2039853"></a>status area</dt>
|
|
<dd>A part of a window that
|
|
displays information indicating the state of the current view of an object.</dd>
|
|
<dt id="x2039858" class="bold">
|
|
<a name="x2039858"></a>status bar</dt>
|
|
<dd>In iSeries Access, the
|
|
part of a window that displays information indicating the current state of
|
|
that window's content.</dd>
|
|
<dt id="x2039863" class="bold">
|
|
<a name="x2039863"></a>status line</dt>
|
|
<dd>A line at the top of
|
|
a display that contains information about a document and current operations,
|
|
including an audit window, the document name, and page and line number.</dd>
|
|
<dt id="x2039868" class="bold">
|
|
<a name="x2039868"></a>STDERR</dt>
|
|
<dd>See <a href="rzaats.htm#x2039732">standard error</a>.</dd>
|
|
<dt id="x2039872" class="bold">
|
|
<a name="x2039872"></a>STDIN</dt>
|
|
<dd>See <a href="rzaats.htm#x2039742">standard input</a>.</dd>
|
|
<dt id="x2039876" class="bold">
|
|
<a name="x2039876"></a>STDOUT</dt>
|
|
<dd>See <a href="rzaats.htm#x2039747">standard output</a>.</dd>
|
|
<dt id="x2039880" class="bold">
|
|
<a name="x2039880"></a>stem</dt>
|
|
<dd>In REXX, that part of a compound
|
|
symbol up to and including the first period. It contains just one period,
|
|
which is the last character. It cannot start with a digit or a period. A reference
|
|
to a stem can also be used to manipulate all variables sharing that stem.</dd>
|
|
<dt id="x2004853" class="bold">
|
|
<a name="x2004853"></a>step</dt>
|
|
<dd>To cause a computer to run one
|
|
operation.</dd>
|
|
<dt id="x2039889" class="bold">
|
|
<a name="x2039889"></a>S/T interface</dt>
|
|
<dd>In Performance Tools,
|
|
the interface at the S and T reference points defined in the reference model
|
|
of the integrated services digital network (ISDN). When there is no network
|
|
termination 2 (NT2), the S and T reference points become one S/T point.</dd>
|
|
<dt id="x2039894" class="bold">
|
|
<a name="x2039894"></a>storage area network (SAN)</dt>
|
|
<dd>A dedicated
|
|
storage network tailored to a specific environment, combining servers, storage
|
|
products, networking products, software, and services.</dd>
|
|
<dt id="x2039899" class="bold">
|
|
<a name="x2039899"></a>storage control</dt>
|
|
<dd>In CICS, a facility
|
|
that controls requests for main storage to provide intermediate work areas
|
|
not automatically provided by CICS.</dd>
|
|
<dt id="x2039908" class="bold">
|
|
<a name="x2039908"></a>storage device subsystem</dt>
|
|
<dd>A part of
|
|
the computer consisting of the controller and one or more attached storage
|
|
devices.</dd>
|
|
<dt id="x2039913" class="bold">
|
|
<a name="x2039913"></a>storage location</dt>
|
|
<dd>In Backup Recovery
|
|
and Media Services, a place where media and containers can be stored awaiting
|
|
expiration or movement to another location such as off-site storage, vaults,
|
|
or long-term (permanent) retention. Backup Recovery and Media Services has
|
|
two predefined locations that can be overridden by the user: 1) *HOME, the
|
|
system keyword for the on-site library (or home location); and 2) VAULT, a
|
|
default storage location that refers to the default off-site storage location.</dd>
|
|
<dt id="x2039918" class="bold">
|
|
<a name="x2039918"></a>storage management recovery</dt>
|
|
<dd>A function
|
|
that prepares the system to access data from all disk units configured to
|
|
the system.</dd>
|
|
<dt id="x2039923" class="bold">
|
|
<a name="x2039923"></a>storage model</dt>
|
|
<dd>A creation attribute
|
|
for modules, programs, and service programs that describes the type of storage
|
|
supplied by the system at run time for automatic, static, and constant storage.
|
|
The system-recognized identifiers for storage model are *SNGLVL (single-level
|
|
store), *TERASPACE (teraspace), and *INHERIT (inherit). *INHERIT, which is
|
|
specified only for modules and service programs, indicates that the object
|
|
must be created such that it will run when either single-level store or teraspace
|
|
is supplied.</dd>
|
|
<dt id="x2039928" class="bold">
|
|
<a name="x2039928"></a>storage pool</dt>
|
|
<dd>A logical division of
|
|
storage reserved for processing a job or group of jobs.</dd>
|
|
<dt id="x2039932" class="bold">
|
|
<a name="x2039932"></a>store</dt>
|
|
<dd>To place data in a storage
|
|
device, so that it is available for retrieval and updating.</dd>
|
|
<dt id="x2039937" class="bold">
|
|
<a name="x2039937"></a>store and forward</dt>
|
|
<dd>The temporary storing
|
|
of packets, messages, or frames in a data network before they are retransmitted
|
|
toward their destination.</dd>
|
|
<dt id="x2039942" class="bold">
|
|
<a name="x2039942"></a>store controller</dt>
|
|
<dd>See <a href="rzaatr.htm#x2037113">retail controller</a>.</dd>
|
|
<dt id="x2039946" class="bold">
|
|
<a name="x2039946"></a>stream</dt>
|
|
<dd>In the C language, a sequence
|
|
of data that is conceptually read and written one character at a time.</dd>
|
|
<dt id="x2039951" class="bold">
|
|
<a name="x2039951"></a>stream file</dt>
|
|
<dd>(1) A file that contains
|
|
continuous streams of bits such as PC files, documents, and other data stored
|
|
in iSeries folders.</dd>
|
|
<dd>(2) A file containing a continuous stream of
|
|
data. Stream files are well suited for storing strings of data such as the
|
|
text of a document, images, audio, and video. The content and format of stream
|
|
files are managed by the application rather than by the system.</dd>
|
|
<dt id="x2039959" class="bold">
|
|
<a name="x2039959"></a>streaming</dt>
|
|
<dd>A method of writing and
|
|
reading data on magnetic tape as continuous fields without record boundaries.</dd>
|
|
<dt id="x2039964" class="bold">
|
|
<a name="x2039964"></a>stream mode</dt>
|
|
<dd>A method of sending and
|
|
receiving data in which records are defined as a stream of data without boundaries.</dd>
|
|
<dt id="x2039969" class="bold">
|
|
<a name="x2039969"></a>strikeover</dt>
|
|
<dd>A character entered in
|
|
a space currently occupied by another character.</dd>
|
|
<dt id="x2004891" class="bold">
|
|
<a name="x2004891"></a>string</dt>
|
|
<dd>(1) A group of auxiliary storage
|
|
devices connected in a series on the system. The order and location in which
|
|
each device is connected to the system determines the physical address of
|
|
the device.</dd>
|
|
<dd>(2) A sequence of elements of the same nature, such as
|
|
characters considered as a whole. For example, character string, binary string,
|
|
and hexadecimal string.</dd>
|
|
<dt id="x2039986" class="bold">
|
|
<a name="x2039986"></a>string concatenation</dt>
|
|
<dd>In REXX, an
|
|
operation that joins two characters or strings in the order specified, forming
|
|
one string whose length is equal to the sum of the lengths of the two characters
|
|
or strings.</dd>
|
|
<dt id="x2039994" class="bold">
|
|
<a name="x2039994"></a>string control byte (SCB)</dt>
|
|
<dd>In MTAM
|
|
and RJE, a control character in the SNA character string that identifies how
|
|
user data is compressed.</dd>
|
|
<dt id="x2039999" class="bold">
|
|
<a name="x2039999"></a>string delimiter</dt>
|
|
<dd>A symbol used to
|
|
enclose an SQL string constant. This symbol is the apostrophe (') except in
|
|
COBOL application programs, where the symbol (apostrophe or quotation mark)
|
|
is assigned by the user.</dd>
|
|
<dt id="x2040004" class="bold">
|
|
<a name="x2040004"></a>strong export</dt>
|
|
<dd>An export that allows
|
|
only one definition of an external symbol to be used by the binder. The first
|
|
definition in the binder search is chosen, and duplicate definitions are discarded.
|
|
The binder always chooses a strong export over a weak export for the same
|
|
symbol. See also <a href="rzaatw.htm#x2012343">weak export</a>.</dd>
|
|
<dt id="x2040009" class="bold">
|
|
<a name="x2040009"></a>structure</dt>
|
|
<dd>A class data type that
|
|
contains an ordered group of data objects. Unlike an array, the data objects
|
|
within a structure can have varied data types.</dd>
|
|
<dt id="x2040014" class="bold">
|
|
<a name="x2040014"></a>structure attributes</dt>
|
|
<dd>In OSI, keywords
|
|
and syntax that tell the Abstract Syntax Checker how to build the data structures.</dd>
|
|
<dt id="x2040019" class="bold">
|
|
<a name="x2040019"></a>structured field</dt>
|
|
<dd>A self-identifying
|
|
string of bytes and its data or parameters.</dd>
|
|
<dt id="x2004901" class="bold">
|
|
<a name="x2004901"></a>Structured Query Language (SQL)</dt>
|
|
<dd>A standardized language for defining and manipulating data in a relational
|
|
database.</dd>
|
|
<dt id="x2040027" class="bold">
|
|
<a name="x2040027"></a>structured type</dt>
|
|
<dd>In OSI, an ASN.1
|
|
type defined by reference to one or more other ASN.1 types.</dd>
|
|
<dt id="x2040032" class="bold">
|
|
<a name="x2040032"></a>stub procedure</dt>
|
|
<dd>In transport independent
|
|
remote procedure call (TI-RPC) programming, a functional subset of procedures
|
|
that is needed to implement a client or server protocol.</dd>
|
|
<dt id="x2040042" class="bold">
|
|
<a name="x2040042"></a>STX</dt>
|
|
<dd>See <a href="rzaats.htm#x2039772">start-of-text
|
|
character</a>.</dd>
|
|
<dt id="x2194201" class="bold">
|
|
<a name="x2194201"></a>STX character</dt>
|
|
<dd>See <a href="rzaats.htm#x2039772">start-of-text character</a>.</dd>
|
|
<dt id="x2040046" class="bold">
|
|
<a name="x2040046"></a>subaddress</dt>
|
|
<dd>An extension of an ISDN
|
|
address used to identify individual users, processors, or groups of users
|
|
within a large group of users or processors that are identified by a single
|
|
network number.</dd>
|
|
<dt id="x2004906" class="bold">
|
|
<a name="x2004906"></a>subagent</dt>
|
|
<dd>An extension to an SNMP
|
|
agent that permits a user to dynamically add, or in some cases replace, management
|
|
variables in the local MIB, thereby providing a means of extending the range
|
|
of information that network managers may access.</dd>
|
|
<dt id="x2040054" class="bold">
|
|
<a name="x2040054"></a>subarea</dt>
|
|
<dd>A portion of the SNA network
|
|
consisting of a subarea node, attached peripheral nodes, and associated resources.
|
|
Within a subarea node, all network addressable units (NAUs), links, and adjacent
|
|
link stations in attached peripheral or subarea nodes that are addressable
|
|
within the subarea share a common subarea address and have distinct element
|
|
addresses.</dd>
|
|
<dt id="x2040059" class="bold">
|
|
<a name="x2040059"></a>subarea node</dt>
|
|
<dd>In SNA, a type 4 or
|
|
type 5 node that uses network addresses for routing and whose routing tables
|
|
are, therefore, affected by changes in the configuration of the network. Subarea
|
|
nodes can provide boundary function support for peripheral nodes.</dd>
|
|
<dt id="x2040064" class="bold">
|
|
<a name="x2040064"></a>subclass</dt>
|
|
<dd>In Java,
|
|
a class that is derived from a particular class, either directly or indirectly.</dd>
|
|
<dt id="x2040072" class="bold">
|
|
<a name="x2040072"></a>subdirectory</dt>
|
|
<dd>A directory contained
|
|
within another directory in a file system hierarchy.</dd>
|
|
<dt id="x2040080" class="bold">
|
|
<a name="x2040080"></a>subdomain</dt>
|
|
<dd>A domain that makes up
|
|
a part of a larger domain.</dd>
|
|
<dt id="x2040085" class="bold">
|
|
<a name="x2040085"></a>subfield</dt>
|
|
<dd>In RPG, the layout of a
|
|
field within a data structure.</dd>
|
|
<dt id="x2040090" class="bold">
|
|
<a name="x2040090"></a>subfile</dt>
|
|
<dd>In i5/OS, a group of
|
|
records of the same record format that can be displayed at the same time at
|
|
a display station. The system sends the entire group of records to the display
|
|
in a single operation and receives the group from the display in another operation.</dd>
|
|
<dt id="x2040095" class="bold">
|
|
<a name="x2040095"></a>subfile control record format</dt>
|
|
<dd>One
|
|
of two record formats required to define a subfile in DDS. The subfile control
|
|
record format describes the size of the subfile and the size of the subfile
|
|
page, and is used by the program to write the subfile to and read the subfile
|
|
from the display.</dd>
|
|
<dt id="x2040100" class="bold">
|
|
<a name="x2040100"></a>subfile record format</dt>
|
|
<dd>One of two
|
|
record formats required to define a subfile in DDS. The subfile record format
|
|
defines the fields in a subfile record and is used by the program to perform
|
|
input, output, and update operations to the subfile.</dd>
|
|
<dt id="x2040105" class="bold">
|
|
<a name="x2040105"></a>subfolder</dt>
|
|
<dd>A folder that is in another
|
|
folder. For example, if folder A contains folder B and folder B contains folder
|
|
C, then B and C are subfolders of A because the folder path for each begins
|
|
with A (A/B/C).</dd>
|
|
<dt id="x2040115" class="bold">
|
|
<a name="x2040115"></a>subkeyword</dt>
|
|
<dd>In REXX, a symbol reserved
|
|
by the language processor within the clause of individual instructions. For
|
|
example, the symbol FOREVER is a subkeyword of the DO instruction.</dd>
|
|
<dt id="x2040120" class="bold">
|
|
<a name="x2040120"></a>sublayer</dt>
|
|
<dd>In OSI, a subdivision within
|
|
a layer.(I)</dd>
|
|
<dt id="x2040125" class="bold">
|
|
<a name="x2040125"></a>subnet</dt>
|
|
<dd>(1) To divide a network into smaller
|
|
interconnected, but independent subgroups.</dd>
|
|
<dd>(2) A network divided into
|
|
smaller interconnected, but independent subgroups.</dd>
|
|
<dt id="x2040134" class="bold">
|
|
<a name="x2040134"></a>subnet address</dt>
|
|
<dd>In Internet communications,
|
|
an extension to the basic IP addressing scheme where a portion of the host
|
|
address is interpreted as the local network address.</dd>
|
|
<dt id="x2040139" class="bold">
|
|
<a name="x2040139"></a>subnet mask</dt>
|
|
<dd>A bit template that identifies
|
|
to the TCP/IP protocol code which bits of the host address are used for routing
|
|
to specific subnets. A subnet mask has more 1 bits than the corresponding
|
|
class mask for a given Internet Protocol (IP) address.</dd>
|
|
<dt id="x2040144" class="bold">
|
|
<a name="x2040144"></a>subnet value</dt>
|
|
<dd>The bit template that
|
|
identifies to the TCP/IP protocol code which host or hosts are defined by
|
|
this route. This bit template must be a subset of the subnet mask.</dd>
|
|
<dt id="x2040149" class="bold">
|
|
<a name="x2040149"></a>subnetwork</dt>
|
|
<dd>(1) The communications media
|
|
that join two network nodes together. A subnetwork is a representation within
|
|
the OSI reference model of a real network, such as a carrier network, a private
|
|
network, or a local area network (LAN).</dd>
|
|
<dd>(2) A distinct partitioned
|
|
piece of an internet network represented by two or more sets of addresses
|
|
that are subsets of the network's range of addresses.</dd>
|
|
<dt id="x2040157" class="bold">
|
|
<a name="x2040157"></a>subnetwork address</dt>
|
|
<dd>In OSI, a DTE
|
|
address.</dd>
|
|
<dt id="x2040162" class="bold">
|
|
<a name="x2040162"></a>subnetwork mask</dt>
|
|
<dd>A bit mask of 32
|
|
bits that defines the particular subnetwork to which an interface attaches.</dd>
|
|
<dt id="x2040177" class="bold">
|
|
<a name="x2040177"></a>subprogram</dt>
|
|
<dd>A called program that
|
|
is combined with the calling program at run time to produce a run unit. A
|
|
subprogram is below the calling program in the call stack.</dd>
|
|
<dt id="x2004926" class="bold">
|
|
<a name="x2004926"></a>subquery</dt>
|
|
<dd>In SQL, a subselect within
|
|
a search condition that refers to a value or set of values needed for the
|
|
first query to be answered. A subquery can include search conditions of its
|
|
own, and these search conditions can, in turn, include subqueries.</dd>
|
|
<dt id="x2040185" class="bold">
|
|
<a name="x2040185"></a>subrecord control byte (SRCB)</dt>
|
|
<dd>In
|
|
MTAM and RJE, a control character used to provide additional information about
|
|
a record.</dd>
|
|
<dt id="x2040190" class="bold">
|
|
<a name="x2040190"></a>subroutine</dt>
|
|
<dd>(1) A group of instructions
|
|
within another group of instructions that can be called by a program. A subroutine
|
|
can call another subroutine.</dd>
|
|
<dd>(2) In data communications, a group of
|
|
statements in a program that can be run several times in that program.</dd>
|
|
<dd>(3) In REXX, an internal, built-in, or external routine called by the CALL
|
|
instruction that may or may not return a result string. If a subroutine returns
|
|
a result string, a subroutine can also be called by a function call, in which
|
|
case it is being called as a function.</dd>
|
|
<dt id="x2040204" class="bold">
|
|
<a name="x2040204"></a>subscript</dt>
|
|
<dd>(1) A character that is printed
|
|
one-half line below the normal printing line. For example, the number 2 in
|
|
the chemical formula for water, H 2 O, is a subscript. See also <a href="rzaats.htm#x2040291">superscript</a>.</dd>
|
|
<dd>(2) In COBOL, a positive number or variable whose
|
|
value refers to a particular item in a table.</dd>
|
|
<dt id="x2040212" class="bold">
|
|
<a name="x2040212"></a>subscripted data-name</dt>
|
|
<dd>In COBOL, a
|
|
data name that is made unique with a subscript.</dd>
|
|
<dt id="x2004951" class="bold">
|
|
<a name="x2004951"></a>subselect</dt>
|
|
<dd>That form of a query that
|
|
does not include an ORDER BY clause, an UPDATE clause, or UNION operators.
|
|
Subselect query syntax can differ depending on the platform.</dd>
|
|
<dt id="x2004956" class="bold">
|
|
<a name="x2004956"></a>substitution character</dt>
|
|
<dd>In SQL, a
|
|
unique character that is substituted during character conversion for any characters
|
|
in the source program that do not have a match in the target coding representation.</dd>
|
|
<dt id="x2040220" class="bold">
|
|
<a name="x2040220"></a>substitution string</dt>
|
|
<dd>A specified string
|
|
of characters that replaces a string of characters that were located by a
|
|
scan operation.</dd>
|
|
<dt id="x2040225" class="bold">
|
|
<a name="x2040225"></a>substitution variable</dt>
|
|
<dd>A variable
|
|
used to pass information, such as a file name, for use in a message.</dd>
|
|
<dt id="x2040230" class="bold">
|
|
<a name="x2040230"></a>substring</dt>
|
|
<dd>A part of a character string.</dd>
|
|
<dt id="x2004961" class="bold">
|
|
<a name="x2004961"></a>subsystem</dt>
|
|
<dd>An operating environment,
|
|
defined by a subsystem description, where the system coordinates processing
|
|
and resources.</dd>
|
|
<dt id="x2040238" class="bold">
|
|
<a name="x2040238"></a>subsystem description</dt>
|
|
<dd>A system object
|
|
that contains information defining the characteristics of an operating environment
|
|
controlled by the system. The system-recognized identifier for the object
|
|
type is *SBSD.</dd>
|
|
<dt id="x2040243" class="bold">
|
|
<a name="x2040243"></a>subsystem information base</dt>
|
|
<dd>In OSI,
|
|
an information base that specifies configuration information. The subsystem
|
|
information base is built mostly by the Administrative Facility and used by
|
|
OSI Communications Subsystem to control its own operations and network operations.</dd>
|
|
<dt id="x2040248" class="bold">
|
|
<a name="x2040248"></a>subtree</dt>
|
|
<dd>A section of a directory
|
|
hierarchy, which is also called a directory tree. The subtree typically starts
|
|
at a particular directory and includes all subdirectories and objects below
|
|
that directory in the directory hierarchy; that is, any subdirectories or
|
|
objects connected to the directory or to any lower level of its subdirectories.</dd>
|
|
<dt id="x2040253" class="bold">
|
|
<a name="x2040253"></a>subtype</dt>
|
|
<dd>In Java, if type X extends or implements type
|
|
Y, then X is a subtype of Y.</dd>
|
|
<dt id="x2040258" class="bold">
|
|
<a name="x2040258"></a>summary records</dt>
|
|
<dd>In iSeries Access, an
|
|
operation that allows a user to specify that only summary information be transferred
|
|
instead of entire records.</dd>
|
|
<dt id="x2040263" class="bold">
|
|
<a name="x2040263"></a>summary report</dt>
|
|
<dd>In Query, a report
|
|
that contains only summary information, such as the total, average, minimum,
|
|
maximum, or count by a query. See also <a href="rzaatd.htm#x2020289">detail report</a>.</dd>
|
|
<dt id="x2040268" class="bold">
|
|
<a name="x2040268"></a>superclass</dt>
|
|
<dd>(1) See <a href="rzaatp.htm#x2033166">parent class</a>.</dd>
|
|
<dd>(2) In Java, a class from which a particular class
|
|
is derived, perhaps with one or more classes in between.</dd>
|
|
<dt id="x2040281" class="bold">
|
|
<a name="x2040281"></a>supernet mask</dt>
|
|
<dd>A bit template that
|
|
identifies to the TCP/IP code which bits of the host address are used for
|
|
routing to specific subnets. A subnet mask has fewer 1 bits than the corresponding
|
|
class mask for a given Internet Protocol (IP) address.</dd>
|
|
<dt id="x2040291" class="bold">
|
|
<a name="x2040291"></a>superscript</dt>
|
|
<dd>A symbol, number, or
|
|
letter written immediately above and to the right or left of another character.
|
|
For example, a footnote can be identified in text with a superscript number.
|
|
See also <a href="rzaats.htm#x2040204">subscript</a>.</dd>
|
|
<dt id="x2040296" class="bold">
|
|
<a name="x2040296"></a>supertype</dt>
|
|
<dd>In Java,
|
|
all the interfaces and classes that are extended or implemented by that type.</dd>
|
|
<dt id="x2040301" class="bold">
|
|
<a name="x2040301"></a>supervisory</dt>
|
|
<dd>Pertaining to a frame
|
|
format that performs data link control functions such as acknowledging information
|
|
frames, requesting retransmission, and requesting temporary suspension of
|
|
transmission. Receive ready (RR), receive not ready (RNR), and reject (REJ)
|
|
are examples of supervisory frame formats.</dd>
|
|
<dt id="x2040306" class="bold">
|
|
<a name="x2040306"></a>supplemental group</dt>
|
|
<dd>One or more group
|
|
profiles of which the user is a member. The user's first group profile is
|
|
specified in the group profile (GRPPRF) parameter of the user profile. Supplemental
|
|
group profiles are specified in the supplemental group profile (SUPGRPPRF)
|
|
parameter of the group profile.</dd>
|
|
<dt id="x2040311" class="bold">
|
|
<a name="x2040311"></a>supplementary services</dt>
|
|
<dd>See <a href="rzaatq.htm#x2035675">Q.932</a>.</dd>
|
|
<dt id="x2040315" class="bold">
|
|
<a name="x2040315"></a>supplier system</dt>
|
|
<dd>For directory shadowing,
|
|
a system that provides initial or changed Enterprise Address Book (EAB) data
|
|
to a collector system in a network. See also <a href="rzaatc.htm#x2017298">collector
|
|
system</a>.</dd>
|
|
<dt id="x2040320" class="bold">
|
|
<a name="x2040320"></a>suppression</dt>
|
|
<dd>In AFP support, a page-and-form-definition
|
|
function that is used to identify fields in a print record that are not printed
|
|
on selected pages of a document.</dd>
|
|
<dt id="x2040325" class="bold">
|
|
<a name="x2040325"></a>surface chart</dt>
|
|
<dd>In the GDDM function, a
|
|
chart similar to a line chart, except that no markers appear, and the areas
|
|
between successive lines are shaded.</dd>
|
|
<dt id="x2040330" class="bold">
|
|
<a name="x2040330"></a>surface graph</dt>
|
|
<dd>In Performance Tools,
|
|
a graph similar to a line graph, except that no markers appear, and the areas
|
|
between successive lines are shaded.</dd>
|
|
<dt id="x2172928" class="bold">
|
|
<a name="x2172928"></a>suspend</dt>
|
|
<dd>In cross-site mirroring,
|
|
to temporarily stop geographic mirroring. If the mirror copy contained usable
|
|
data when suspended, the mirror copy still contains usable, though possibly
|
|
outdated, data.</dd>
|
|
<dt id="x2095304" class="bold">
|
|
<a name="x2095304"></a>suspended state</dt>
|
|
<dd>In cross-site mirroring,
|
|
the configuration state of the mirror copy that does not attempt to perform
|
|
geographic mirroring when the independent disk pool is available. The mirror
|
|
copy state is suspended when it is not resuming or active.</dd>
|
|
<dt id="x2040335" class="bold">
|
|
<a name="x2040335"></a>SVC</dt>
|
|
<dd>See <a href="rzaats.htm#x2040379">switched
|
|
virtual circuit</a>.</dd>
|
|
<dt id="x2040339" class="bold">
|
|
<a name="x2040339"></a>swab</dt>
|
|
<dd>Cotton attached to the end of
|
|
a small stick. Used to clean dirt particles or lint from an area.</dd>
|
|
<dt id="x2040344" class="bold">
|
|
<a name="x2040344"></a>swapped</dt>
|
|
<dd>When using the REXX REVERSE
|
|
function, pertaining to a process that exchanges the values in the input string
|
|
by reversing their positions.</dd>
|
|
<dt id="x2040354" class="bold">
|
|
<a name="x2040354"></a>sweep</dt>
|
|
<dd>In AFP support, the movement around an arc from
|
|
the center point of the arc.</dd>
|
|
<dt id="x2210551" class="bold">
|
|
<a name="x2210551"></a>switchable entity</dt>
|
|
<dd>The physical resource
|
|
containing the independent disk pools that can be switched between systems
|
|
in a cluster. This can be a expansion unit containing disk units in a multiple
|
|
system environment. This could also be an IOP containing disk units in an
|
|
LPAR environment. See also <a href="rzaatd.htm#x2211109">device cluster resource group</a>.</dd>
|
|
<dt id="x2211113" class="bold">
|
|
<a name="x2211113"></a>switchable hardware group</dt>
|
|
<dd>See <a href="rzaatd.htm#x2211109">device cluster resource group</a>. See also <a href="rzaats.htm#x2210551">switchable entity</a>.</dd>
|
|
<dt id="x2040359" class="bold">
|
|
<a name="x2040359"></a>switch back</dt>
|
|
<dd>In a remote journal network,
|
|
to direct clustering functions to allow the primary system to reassume its
|
|
role from a previously promoted backup system.</dd>
|
|
<dt id="x2040364" class="bold">
|
|
<a name="x2040364"></a>switch-back</dt>
|
|
<dd>In a remote journal network,
|
|
pertaining to the processing that is performed by a hot-backup application
|
|
to allow the primary system to reassume its role from a previously promoted
|
|
backup system.</dd>
|
|
<dt id="x2040369" class="bold">
|
|
<a name="x2040369"></a>switched line</dt>
|
|
<dd>In data communications,
|
|
a connection between computers or devices that is established by dialing.
|
|
See also <a href="rzaatn.htm#x2031673">nonswitched line</a>.</dd>
|
|
<dt id="x2040374" class="bold">
|
|
<a name="x2040374"></a>switched network backup (SNBU)</dt>
|
|
<dd>A
|
|
modem feature that allows a nonswitched line to be used alternatively as a
|
|
switched line or allows a switched line to be used as a nonswitched line depending
|
|
on the characteristics of the modem.</dd>
|
|
<dt id="x2040379" class="bold">
|
|
<a name="x2040379"></a>switched virtual circuit (SVC)</dt>
|
|
<dd>(1) A
|
|
virtual circuit that is requested by a virtual call. It is released when the
|
|
virtual circuit is cleared.</dd>
|
|
<dd>(2) In OSI, a temporary association between
|
|
two DTEs that is initiated when one DTE makes a call request to the network.</dd>
|
|
<dt id="x2040390" class="bold">
|
|
<a name="x2040390"></a>switch over</dt>
|
|
<dd>In a remote journal network,
|
|
to direct clustering functions to change all uses of a cluster resource to
|
|
a backup node that becomes the new primary access point of the resource.</dd>
|
|
<dt id="x2040395" class="bold">
|
|
<a name="x2040395"></a>switchover</dt>
|
|
<dd>(1) A cluster event where
|
|
the primary database server or application server switches over to a backup
|
|
system due to the manual intervention from the cluster management interface.</dd>
|
|
<dd>(2) In a remote journal network, pertaining to the processing that
|
|
is performed by a hot-backup application to logically promote a backup system
|
|
to assume the role of a primary system.</dd>
|
|
<dt id="x2040404" class="bold">
|
|
<a name="x2040404"></a>switchover order</dt>
|
|
<dd>The defined relationship
|
|
among the primary and backup nodes in a recovery domain.</dd>
|
|
<dt id="x2047006" class="bold">
|
|
<a name="x2047006"></a>syllable hyphen</dt>
|
|
<dd>A hyphen used to
|
|
divide a word at the end of a line; it may be removed when a program adjusts
|
|
lines. See also <a href="rzaatr.htm#x2047001">required hyphen</a>.</dd>
|
|
<dt id="x2040409" class="bold">
|
|
<a name="x2040409"></a>symbol</dt>
|
|
<dd>Any combination of alphabetic
|
|
or numeric characters (A-Z, a-z, or 0-9) and the characters @, #, $, ., !,
|
|
?, and _.</dd>
|
|
<dt id="x2040414" class="bold">
|
|
<a name="x2040414"></a>symbolic debugger</dt>
|
|
<dd>A tool that aids
|
|
in the debugging of programs written in certain high-level languages. See
|
|
also <a href="rzaats.htm#x2039353">source debugger</a>.</dd>
|
|
<dt id="x2004966" class="bold">
|
|
<a name="x2004966"></a>symbolic destination name</dt>
|
|
<dd>In the
|
|
OSI Communications Subsystem licensed program, a name by which an application
|
|
entity identifies to OSI Communications Subsystem the peer application entity
|
|
with which it is to communicate. OSI Communications Subsystem uses the symbolic
|
|
destination name to determine (a) the presentation address of the peer application
|
|
entity, and (b) the application mode to be used on the association.</dd>
|
|
<dt id="x2040422" class="bold">
|
|
<a name="x2040422"></a>symbolic link</dt>
|
|
<dd>A type of file that
|
|
contains the path name of and acts as a pointer to another file or directory.</dd>
|
|
<dt id="x2040427" class="bold">
|
|
<a name="x2040427"></a>symbolic name</dt>
|
|
<dd>(1) A unique name used
|
|
to identify an entity such as a field, file, data structure, or label within
|
|
an RPG program.</dd>
|
|
<dd>(2) A string composed of characters from the ISO 646
|
|
code set that is used in locales to represent a character.</dd>
|
|
<dt id="x2040435" class="bold">
|
|
<a name="x2040435"></a>symbol resolution</dt>
|
|
<dd>In ILE, the process
|
|
the binder uses to match unresolved imports from the set of modules to be
|
|
bound by copy with the set of exports provided by the specified modules and
|
|
service programs.</dd>
|
|
<dt id="x2040440" class="bold">
|
|
<a name="x2040440"></a>symbol set</dt>
|
|
<dd>In Business Graphics Utility,
|
|
a supplied character set used for text strings on charts; for example, headings,
|
|
legend text, labels, and notes.</dd>
|
|
<dt id="x2211001" class="bold">
|
|
<a name="x2211001"></a>symmetric cryptography</dt>
|
|
<dd>See <a href="rzaats.htm#x2210275">shared/secret key cryptography</a>.</dd>
|
|
<dt id="x2040445" class="bold">
|
|
<a name="x2040445"></a>SYN</dt>
|
|
<dd>See <a href="rzaats.htm#x2040470">synchronization
|
|
character</a>.</dd>
|
|
<dt id="x2194206" class="bold">
|
|
<a name="x2194206"></a>SYN character</dt>
|
|
<dd>See <a href="rzaats.htm#x2040470">synchronization character</a>.</dd>
|
|
<dt id="x2040449" class="bold">
|
|
<a name="x2040449"></a>synchronization</dt>
|
|
<dd>(1) The cross-site mirroring
|
|
(XSM) processing that copies data from the production copy to the mirror copy.
|
|
During synchronization, the mirror copy contains unusable data. When synchronization
|
|
is completed, the mirror copy contains usable data.</dd>
|
|
<dd>(2) In commitment
|
|
control, the process of ensuring that all commitment resources are either
|
|
committed or rolled back to the same commitment boundary after an abnormal
|
|
end.</dd>
|
|
<dt id="x2040462" class="bold">
|
|
<a name="x2040462"></a>synchronization point (syncpoint)</dt>
|
|
<dd>(1) In APPC, a reference point during transaction processing to which resources
|
|
can be restored if a failure occurs.</dd>
|
|
<dd>(2) In OSI, a point to which
|
|
a session can be reset. Setting a synchronization point requires the appropriate
|
|
token. Synchronization points are a session-layer service.</dd>
|
|
<dt id="x2040470" class="bold">
|
|
<a name="x2040470"></a>synchronization character (SYN character)</dt>
|
|
<dd>In binary synchronous communications, the transmission control character
|
|
that provides a signal to the receiving station for timing the characters
|
|
received.</dd>
|
|
<dt id="x2040475" class="bold">
|
|
<a name="x2040475"></a>synchronize/minor token</dt>
|
|
<dd>In OSI, a
|
|
session layer token that controls the insertion of minor synchronization points.</dd>
|
|
<dt id="x2004976" class="bold">
|
|
<a name="x2004976"></a>synchronous</dt>
|
|
<dd>(1) In cross-site mirroring,
|
|
pertaining to the mode of geographic mirroring where the program that issues
|
|
the update waits until the operation is completed on both the production copy
|
|
and the mirror copy. This mode ensures that once control is returned to the
|
|
client, the operation is accurately reflected on both the production copy
|
|
and the mirror copy.</dd>
|
|
<dd>(2) Pertaining to two or more processes that
|
|
depend upon the occurrences of specific events, such as a common timing signal.
|
|
See also <a href="rzaata.htm#x2000227">asynchronous</a>.</dd>
|
|
<dt id="x2067687" class="bold">
|
|
<a name="x2067687"></a>Synchronous Data Link Control (SDLC)</dt>
|
|
<dd>A protocol for managing synchronous information transfer over a data link
|
|
connection.</dd>
|
|
<dt id="x2040488" class="bold">
|
|
<a name="x2040488"></a>synchronous disk I/O</dt>
|
|
<dd>In Performance
|
|
Tools, a disk access operation that must complete before program operation
|
|
can continue. See also <a href="rzaata.htm#x2014274">asynchronous disk I/O</a>.</dd>
|
|
<dt id="x2040493" class="bold">
|
|
<a name="x2040493"></a>synchronous level</dt>
|
|
<dd>In finance communications,
|
|
a level at which a logical unit (LU) determines if it can allocate and deallocate
|
|
system resources.</dd>
|
|
<dt id="x2040498" class="bold">
|
|
<a name="x2040498"></a>synchronous messaging</dt>
|
|
<dd>A method of
|
|
communication between programs in which a program places a message on a message
|
|
queue and then waits for a reply to its message before resuming its own processing.
|
|
See also <a href="rzaata.htm#x2178856">asynchronous messaging</a>.</dd>
|
|
<dt id="x2040503" class="bold">
|
|
<a name="x2040503"></a>synchronous processing</dt>
|
|
<dd>A series of
|
|
operations that are done as part of the job in which they were requested;
|
|
for example, calling a program in an interactive job at a work station. See
|
|
also <a href="rzaata.htm#x2014289">asynchronous processing</a>.</dd>
|
|
<dt id="x2040513" class="bold">
|
|
<a name="x2040513"></a>synchronous transmission</dt>
|
|
<dd>A method
|
|
of transmission in which the sending and receiving of data is controlled by
|
|
timing signals. See also <a href="rzaata.htm#x2014304">asynchronous transmission</a>.</dd>
|
|
<dt id="x2204614" class="bold">
|
|
<a name="x2204614"></a>syncpoint</dt>
|
|
<dd>See <a href="rzaats.htm#x2040462">synchronization point</a>.</dd>
|
|
<dt id="x2004981" class="bold">
|
|
<a name="x2004981"></a>sync point</dt>
|
|
<dd>An intermediate or end
|
|
point during processing of a transaction at which the transaction's protected
|
|
resources are consistent. At a syncpoint, changes to the resources can safely
|
|
be committed, or they can be backed out to the previous syncpoint.</dd>
|
|
<dt id="x2040523" class="bold">
|
|
<a name="x2040523"></a>sync point manager</dt>
|
|
<dd>A function that
|
|
coordinates the two-phase commit process for protected resources, so that
|
|
all changes to data are either committed or backed out.</dd>
|
|
<dt id="x2040531" class="bold">
|
|
<a name="x2040531"></a>synonym aid</dt>
|
|
<dd>A document proofreading
|
|
function that replaces a given word with one having a similar meaning that
|
|
the user chooses from a list of synonyms provided by a dictionary.</dd>
|
|
<dt id="x2040536" class="bold">
|
|
<a name="x2040536"></a>syntactic analysis</dt>
|
|
<dd>In CoOperative
|
|
Development Environment/400, a compiler analysis of a program to determine
|
|
the structure of the program and whether it is valid for a given programming
|
|
language.</dd>
|
|
<dt id="x2040541" class="bold">
|
|
<a name="x2040541"></a>syntax</dt>
|
|
<dd>The rules for the construction
|
|
of a command or statement. See also <a href="rzaats.htm#x2038152">semantics</a>.</dd>
|
|
<dt id="x2040555" class="bold">
|
|
<a name="x2040555"></a>syntax checker</dt>
|
|
<dd>A feature that detects
|
|
syntax errors in program statements, displays a message, and shows the field
|
|
or statement in reverse image.</dd>
|
|
<dt id="x2040570" class="bold">
|
|
<a name="x2040570"></a>syntax tree listing</dt>
|
|
<dd>In OSI, a report
|
|
produced by the Abstract Syntax Checker that lists the order and hierarchical
|
|
relationships of presentation data values (PDVs) and data structures--and
|
|
shows the associated type assignments.</dd>
|
|
<dt id="x2007895" class="bold">
|
|
<a name="x2007895"></a>system</dt>
|
|
<dd>In data processing, a collection
|
|
of people, machines, and methods organized to accomplish a set of specific
|
|
functions.</dd>
|
|
<dt id="x2040859" class="bold">
|
|
<a name="x2040859"></a>System/36 environment</dt>
|
|
<dd>A function
|
|
of the i5/OS operating system that processes most of the System/36 operator
|
|
control language (OCL) statements and procedure statements to run System/36 application
|
|
programs and allows the user to process the control language (CL) commands.
|
|
See also <a href="rzaats.htm#x2040869">System/38™ environment</a>.</dd>
|
|
<dt id="x2040864" class="bold">
|
|
<a name="x2040864"></a>System/36 object</dt>
|
|
<dd>A configuration
|
|
description in System/36 terms that defines the System/36 environment.
|
|
The system-recognized identifier for the object type is *S36.</dd>
|
|
<dt id="x2040869" class="bold">
|
|
<a name="x2040869"></a>System/38 environment</dt>
|
|
<dd>A function
|
|
of the operating system that processes most of the System/38 control
|
|
language (CL) statements and programs to run System/38 application programs. See also <a href="rzaats.htm#x2040859">System/36 environment</a>.</dd>
|
|
<dt id="x2040874" class="bold">
|
|
<a name="x2040874"></a>System/38 Utilities</dt>
|
|
<dd>A licensed
|
|
program for running and maintaining Data File Utility and Query applications
|
|
for those who migrate from the System/38 system.</dd>
|
|
<dt id="x2005001" class="bold">
|
|
<a name="x2005001"></a>system administrator</dt>
|
|
<dd>In OSI, a person
|
|
who controls how the open system resources of a system or enterprise are used.</dd>
|
|
<dt id="x2040581" class="bold">
|
|
<a name="x2040581"></a>system area network (SAN)</dt>
|
|
<dd>The connectivity
|
|
of multiple systems with the characteristic of high-performance communications
|
|
and thus an implied short distance between nodes in the network.</dd>
|
|
<dt id="x2040586" class="bold">
|
|
<a name="x2040586"></a>system ASP</dt>
|
|
<dd>The auxiliary storage
|
|
pool where system programs and system data reside. It can also include user
|
|
programs and user data. The system ASP (ASP1) always exists. See also <a href="rzaata.htm#x2014852">auxiliary storage pool</a>, <a href="rzaatu.htm#x2042741">user ASP</a>.</dd>
|
|
<dt id="x2040596" class="bold">
|
|
<a name="x2040596"></a>system configuration list</dt>
|
|
<dd>A list
|
|
of devices that are provided with the system.</dd>
|
|
<dt id="x2040601" class="bold">
|
|
<a name="x2040601"></a>system configuration special authority</dt>
|
|
<dd>A special authority that allows the user to make changes to system configuration
|
|
information, such as communications definitions.</dd>
|
|
<dt id="x2040610" class="bold">
|
|
<a name="x2040610"></a>system date</dt>
|
|
<dd>The date assigned in
|
|
the system values when the system is started.</dd>
|
|
<dt id="x2040615" class="bold">
|
|
<a name="x2040615"></a>system description</dt>
|
|
<dd>A description
|
|
of the system that should include the full name and version identification
|
|
of the hardware type for the system, the software operating system, and the
|
|
networking software.</dd>
|
|
<dt id="x2040620" class="bold">
|
|
<a name="x2040620"></a>system distribution directory</dt>
|
|
<dd>A list
|
|
of user IDs and identifying information, such as network addresses, used to
|
|
send distributions.</dd>
|
|
<dt id="x2040625" class="bold">
|
|
<a name="x2040625"></a>system domain object</dt>
|
|
<dd>An object on
|
|
the system that can be accessed only by a system state program. The object
|
|
types that can be either system domain or user domain are: *USRSPC, *USRIDX,
|
|
*USRQ, *PGM, *SQLPKG. All other object types are system domain. See also <a href="rzaatd.htm#x2021210">domain</a>.</dd>
|
|
<dt id="x2040630" class="bold">
|
|
<a name="x2040630"></a>system group</dt>
|
|
<dd>(1) In iSeries Navigator,
|
|
a logical collection of endpoint systems.</dd>
|
|
<dd>(2) In SNADS, the second
|
|
part of a system name in the system distribution directory.</dd>
|
|
<dt id="x2040638" class="bold">
|
|
<a name="x2040638"></a>system initialization table (SIT)</dt>
|
|
<dd>A table containing parameters used by CICS on start up.</dd>
|
|
<dt id="x2040643" class="bold">
|
|
<a name="x2040643"></a>system input/output bus</dt>
|
|
<dd>A set of
|
|
hardware components that provide the physical path and logical protocol through
|
|
which input/output (I/O) processors and I/O adapters communicate with system
|
|
processors and main storage.</dd>
|
|
<dt id="x2040648" class="bold">
|
|
<a name="x2040648"></a>system job</dt>
|
|
<dd>A batch job created by
|
|
the i5/OS operating system to control system resources and to schedule jobs.</dd>
|
|
<dt id="x2040653" class="bold">
|
|
<a name="x2040653"></a>system library</dt>
|
|
<dd>The library shipped
|
|
with the system that contains objects, such as authorization lists and device
|
|
descriptions created by a user, and the system commands and other system objects
|
|
required to run the system. The system identifier is QSYS.</dd>
|
|
<dt id="x2040658" class="bold">
|
|
<a name="x2040658"></a>system-managed access-path protection (SMAPP)</dt>
|
|
<dd>An i5/OS function that allows a user to specify a goal for
|
|
the maximum amount of time the system should use to recover access paths after
|
|
an abnormal system end. The system automatically protects access paths so
|
|
that they can be recovered within the time specified.</dd>
|
|
<dt id="x2040663" class="bold">
|
|
<a name="x2040663"></a>System Manager</dt>
|
|
<dd>The IBM licensed program
|
|
that enables a system in a network to function as a service provider for other
|
|
systems in the network.</dd>
|
|
<dt id="x2230811" class="bold">
|
|
<a name="x2230811"></a>System Manager Security</dt>
|
|
<dd>An application
|
|
on the Hardware Management Console (HMC) that ensures that the HMC can operate
|
|
securely in the client/server mode.</dd>
|
|
<dt id="x2095447" class="bold">
|
|
<a name="x2095447"></a>system menu</dt>
|
|
<dd>A list of options that
|
|
affect the window or the view it contains.</dd>
|
|
<dt id="x2040673" class="bold">
|
|
<a name="x2040673"></a>system menu symbol</dt>
|
|
<dd>A symbol in the
|
|
leftmost corner of a title bar that gives a user access to choices that affect
|
|
the window or the view it contains.</dd>
|
|
<dt id="x2040678" class="bold">
|
|
<a name="x2040678"></a>system monitor</dt>
|
|
<dd>(1) In finance communications,
|
|
a 4700 controller program used to perform service, configuration, and debugging
|
|
functions on that controller.</dd>
|
|
<dd>(2) An iSeries Navigator tool that gathers and displays
|
|
real-time performance data for the server.</dd>
|
|
<dt id="x2040686" class="bold">
|
|
<a name="x2040686"></a>system name</dt>
|
|
<dd>(1) An IBM-supplied name
|
|
that uniquely identifies the system. It is used as a network value for certain
|
|
communications applications such as APPC.</dd>
|
|
<dd>(2) An IBM-defined name
|
|
that has a predefined meaning to the COBOL compiler. System names include
|
|
computer names, language names, device names, and function names.</dd>
|
|
<dt id="x2040694" class="bold">
|
|
<a name="x2040694"></a>system object</dt>
|
|
<dd>A machine object classification.
|
|
Any of the machine objects shipped with the system or any of the operating
|
|
system objects created by the system. See also <a href="rzaatp.htm#x2035113">program
|
|
object</a>.</dd>
|
|
<dt id="x2040699" class="bold">
|
|
<a name="x2040699"></a>system operator message queue</dt>
|
|
<dd>A special
|
|
message queue to which the system sends messages regarding changes in the
|
|
status of the system, devices, and jobs, and messages indicating a condition
|
|
that needs operator intervention. This message queue is identified by the
|
|
name QSYSOPR.</dd>
|
|
<dt id="x2224601" class="bold">
|
|
<a name="x2224601"></a>system performance</dt>
|
|
<dd>A major factor
|
|
in measuring system productivity. Performance is determined by a combination
|
|
of throughput, response time, and availability.</dd>
|
|
<dt id="x2040704" class="bold">
|
|
<a name="x2040704"></a>system pointer</dt>
|
|
<dd>A pointer that contains
|
|
addressability to a machine interface system object.</dd>
|
|
<dt id="x2040709" class="bold">
|
|
<a name="x2040709"></a>system policy</dt>
|
|
<dd>In Backup Recovery
|
|
and Media Services, a policy that defines the overall default controls and
|
|
values to be used by Backup Recovery and Media Services. These values can
|
|
be defaulted to, or overridden by, the backup policy, archive policy, media
|
|
policies, or move policies.</dd>
|
|
<dt id="x2040714" class="bold">
|
|
<a name="x2040714"></a>system power control network (SPCN)</dt>
|
|
<dd>An asynchronous serial communications network. SPCN connects the power system
|
|
in participating components to the operating system and can report critical
|
|
changes and power failures in those components to the operating system. SPCN
|
|
gives the operating system control of electrical power.</dd>
|
|
<dt id="x2040719" class="bold">
|
|
<a name="x2040719"></a>system processor</dt>
|
|
<dd>The logic that contains
|
|
the processor function to translate and process the i5/OS control language
|
|
commands and programming language statements.</dd>
|
|
<dt id="x2210428" class="bold">
|
|
<a name="x2210428"></a>system product division (SPD)</dt>
|
|
<dd>A bus
|
|
architecture that allows I/O to communicate to the processor. SPD-I/O refers
|
|
to devices that use the SPD bus architecture to communicate with the rest
|
|
of the server.</dd>
|
|
<dt id="x2040724" class="bold">
|
|
<a name="x2040724"></a>system programming commands</dt>
|
|
<dd>Commands
|
|
used to monitor and change parameters within a CICS control region.</dd>
|
|
<dt id="x2040734" class="bold">
|
|
<a name="x2040734"></a>system reference code (SRC)</dt>
|
|
<dd>(1) A group
|
|
of characters that identifies the machine status or a specific error condition.
|
|
The system reference code can be displayed on the console from the problem
|
|
log.</dd>
|
|
<dd>(2) The characters that identify the name of the unit that detected
|
|
the condition and the reference code that describes the condition.</dd>
|
|
<dt id="x2040739" class="bold">
|
|
<a name="x2040739"></a>System Request key</dt>
|
|
<dd>A key that allows
|
|
the user to start another interactive job at the user's workstation. The user
|
|
can then use the System Request key to switch back and forth between jobs.
|
|
An alternative job can be particularly useful for doing another task or viewing
|
|
information without having to leave other work.</dd>
|
|
<dt id="x2040744" class="bold">
|
|
<a name="x2040744"></a>system resource management database object (SRM
|
|
database object)</dt>
|
|
<dd>In the system resource management (SRM) database,
|
|
a repository of information about the hardware of the system. This information
|
|
includes vital product data (VPD) from self-reporting hardware and additional
|
|
topology and location information provided by manufacturing, service representatives,
|
|
and users. This repository is carried out by system data space and index objects
|
|
and provides a means for users to manage their system resources.</dd>
|
|
<dt id="x2040749" class="bold">
|
|
<a name="x2040749"></a>system resources</dt>
|
|
<dd>Those items controlled
|
|
by the system, such as programs, devices, and storage areas that are assigned
|
|
for use in jobs.</dd>
|
|
<dt id="x2040754" class="bold">
|
|
<a name="x2040754"></a>system resources manager (SRM)</dt>
|
|
<dd>A
|
|
group of programs that controls the use of system resources, such as programs,
|
|
devices, and storage areas that are assigned for use in jobs.</dd>
|
|
<dt id="x2040759" class="bold">
|
|
<a name="x2040759"></a>system security</dt>
|
|
<dd>A system function
|
|
that restricts the use of files, libraries, folders, and devices to certain
|
|
users.</dd>
|
|
<dt id="x2005031" class="bold">
|
|
<a name="x2005031"></a>system services control point (SSCP)</dt>
|
|
<dd>A focal point in an SNA network for managing configuration, coordinating network-operator
|
|
and problem-determination requests, and providing directory support or other
|
|
session services for network users. Multiple SSCPs, cooperating as peers,
|
|
can divide the network into domains of control, with each SSCP controlling
|
|
the physical and logical units in its domain.</dd>
|
|
<dt id="x2040764" class="bold">
|
|
<a name="x2040764"></a>system services control point identifier (SSCP
|
|
ID)</dt>
|
|
<dd>In SNA, a number uniquely identifying a system services control
|
|
point. The SSCP ID is used in requests sent to physical units and to other
|
|
system services control points.</dd>
|
|
<dt id="x2040771" class="bold">
|
|
<a name="x2040771"></a>system service tools (SST)</dt>
|
|
<dd>The part
|
|
of the service function used to service the system while the operating system
|
|
is running. System service tools (SST) allow you to access service functions
|
|
from i5/OS. Service tools are accessed using the STRSST (Start SST) CL command.</dd>
|
|
<dt id="x2040776" class="bold">
|
|
<a name="x2040776"></a>system service tool user profile</dt>
|
|
<dd>The system-supplied user profile that has the authority necessary to service
|
|
the system programming and the special authorities of save system authorities
|
|
and job control authorities. Named SRV or QSRVBAS.</dd>
|
|
<dt id="x2040781" class="bold">
|
|
<a name="x2040781"></a>systems management</dt>
|
|
<dd>(1) In System Manager,
|
|
all of the actions and procedures that accomplish the business support activity
|
|
of making information systems services available. Information systems services
|
|
include host, application, network, and data services.</dd>
|
|
<dd>(2) In OSI,
|
|
the process of monitoring, coordinating, and controlling resources within
|
|
open systems.</dd>
|
|
<dt id="x2040789" class="bold">
|
|
<a name="x2040789"></a>systems management application</dt>
|
|
<dd>In
|
|
OSI, an application that provides systems management services.</dd>
|
|
<dt id="x2040794" class="bold">
|
|
<a name="x2040794"></a>systems management application entity (SMAE)</dt>
|
|
<dd>In OSI, the part of an agent process or a managing process that
|
|
performs systems management communications functions. In OSI Communications
|
|
Subsystem, both the agent process and the managing process use the same SMAE.</dd>
|
|
<dt id="x2005036" class="bold">
|
|
<a name="x2005036"></a>Systems Network Architecture (SNA)</dt>
|
|
<dd>An architecture that describes the logical structure, formats, protocols,
|
|
and operational sequences for transmitting information units through the networks
|
|
and also the operational sequences for controlling the configuration and operation
|
|
of networks. The layered structure of SNA allows the ultimate origins and
|
|
destinations of information (the users) to be independent of and unaffected
|
|
by the specific SNA network services and facilities that are used for information
|
|
exchange.</dd>
|
|
<dt id="x2040803" class="bold">
|
|
<a name="x2040803"></a>Systems Network Architecture distribution services
|
|
(SNADS SNA distribution services)</dt>
|
|
<dd>See <a href="rzaats.htm#x2039137">SNA
|
|
distribution services</a>. An IBM asynchronous distribution service that
|
|
defines a set of rules to receive, route, and send electronic mail in a network
|
|
of systems.</dd>
|
|
<dt id="x2040807" class="bold">
|
|
<a name="x2040807"></a>Systems Network Architecture File Services (SNA/FS
|
|
SNA/File Services)</dt>
|
|
<dd>A service that allows files to be fetched,
|
|
moved, and stored at nodes in a SNADS network. SNA/FS provides name structure
|
|
and version identification mechanisms that uniquely identify files in a network.</dd>
|
|
<dt id="x2040811" class="bold">
|
|
<a name="x2040811"></a>Systems Network Architecture Management Services
|
|
Transport (SNA/Management Services Transport, SNA/MS Transport)</dt>
|
|
<dd>A service that allows files to be fetched, moved, and stored at nodes in a
|
|
SNADS network. SNA/FS provides name structure and version identification mechanisms
|
|
that uniquely identify files in a network.</dd>
|
|
<dt id="x2040815" class="bold">
|
|
<a name="x2040815"></a>system-specific format</dt>
|
|
<dd>A print descriptor
|
|
naming convention required to store a print descriptor in a print descriptor
|
|
group.</dd>
|
|
<dt id="x2040820" class="bold">
|
|
<a name="x2040820"></a>system state program</dt>
|
|
<dd>A program that
|
|
can access a user domain object or a system domain object. The system state
|
|
is reserved for IBM-supplied programs.</dd>
|
|
<dt id="x2040825" class="bold">
|
|
<a name="x2040825"></a>system-supplied formats</dt>
|
|
<dd>The communications
|
|
record formats provided as part of the ICF support that allows a user's program
|
|
to control data communications with a remote system. System-supplied formats
|
|
perform such communications functions as starting remote programs, sending
|
|
and receiving data, ending communications transactions, and ending sessions.</dd>
|
|
<dt id="x2040835" class="bold">
|
|
<a name="x2040835"></a>system time</dt>
|
|
<dd>The elapsed time from
|
|
the point when the system was started to the current time. If the system time
|
|
is changed to the local time when the system is started, the current system
|
|
time is the local time of day.</dd>
|
|
<dt id="x2040840" class="bold">
|
|
<a name="x2040840"></a>system unit</dt>
|
|
<dd>The part of a computer
|
|
that contains the processing unit, and may contain devices such as disk units
|
|
and tape units.</dd>
|
|
<dt id="x2040845" class="bold">
|
|
<a name="x2040845"></a>system unit console</dt>
|
|
<dd>(1) In a Windows operating
|
|
system environment, any interface with a server.</dd>
|
|
<dd>(2) In COBOL, a function
|
|
name associated with the operator's display station.</dd>
|
|
<dd>(3) A display
|
|
station from which an operator can control and observe the system operation.
|
|
For example, an operator can install the operating system, do an attended
|
|
IPL, or sign on the system after using the End System (ENDSYS) command. The
|
|
console is the first workstation that the system activates in a partition.
|
|
The console is always available for use.</dd>
|
|
<dt id="x2040849" class="bold">
|
|
<a name="x2040849"></a>system value</dt>
|
|
<dd>Control information
|
|
for the operation of certain parts of the system. A user can change the system
|
|
value to define the user's working environment. System date and library list
|
|
are examples of system values. See also <a href="rzaatn.htm#x2031217">network attribute</a>.</dd></dl>
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