3032 lines
148 KiB
HTML
3032 lines
148 KiB
HTML
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<?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>C</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="c"></a>
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<h2 id="c">C</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="x2019069" class="bold">
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<a name="x2019069"></a>C2</dt>
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<dd>A level of security defined in
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the Trusted Computer System Evaluation Criteria (TCSEC) published by the United
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States Government. To meet C2 requirements, a system must perform discretionary
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access control, authentication and verification, object reuse protection,
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and auditing of security-relevant events.</dd>
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<dt id="x2015942" class="bold">
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<a name="x2015942"></a>CA</dt>
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<dd>See <a href="rzaatc.htm#x2016383">certificate
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authority</a>.</dd>
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<dt id="x2015946" class="bold">
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<a name="x2015946"></a>cable path</dt>
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<dd>A series of cables connected
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in sequence.</dd>
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<dt id="x2015951" class="bold">
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<a name="x2015951"></a>cable-through</dt>
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<dd>Pertaining to a function
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or feature of a display station that allows multiple work stations to be attached
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to one cable path.</dd>
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<dt id="x2022206" class="bold">
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<a name="x2022206"></a>CA certificate</dt>
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<dd>See <a href="rzaatc.htm#x2016388">certificate authority certificate</a>.</dd>
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<dt id="x2015969" class="bold">
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<a name="x2015969"></a>cache line</dt>
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<dd>A record that contains
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relevant information about the user data that is currently in the subsystem
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cache memory. Examples of this information include the current state of the
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data and the intended location of the data on one or more disks.</dd>
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<dt id="x2015974" class="bold">
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<a name="x2015974"></a>cache timeout</dt>
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<dd>The length of time
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that is allowed to pass before the cache is updated.</dd>
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<dt id="x2043609" class="bold">
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<a name="x2043609"></a>CA key</dt>
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<dd>See <a href="rzaatc.htm#x2017403">command attention key</a>.</dd>
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<dt id="x2015979" class="bold">
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<a name="x2015979"></a>calculation specification</dt>
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<dd>In RPG,
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a specification on which the programmer describes the processing to be done
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by the program.</dd>
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<dt id="x2015988" class="bold">
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<a name="x2015988"></a>calibration</dt>
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<dd>In capacity planning,
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the process of refining a model so that it represents the system the user
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is modeling. The predicted and measured values should match as closely as
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possible, with no more than a 10% difference for resource utilization, and
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no more than a 20% difference for response times.</dd>
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<dt id="x2015993" class="bold">
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<a name="x2015993"></a>call</dt>
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<dd>(1) In telephony, a physical or
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logical connection (association) between one or more parties in a telephone
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call. For example, a held call has two parties logically connected although
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they are physically disconnected.</dd>
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<dd>(2) To start a program or procedure,
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usually by specifying the entry conditions and jumping to an entry point.</dd>
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<dd>(3) To transfer control to a procedure, program, routine, or subroutine.</dd>
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<dt id="x2016005" class="bold">
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<a name="x2016005"></a>callable interface (CI)</dt>
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<dd>(1) In query
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management, the Common Programming Interface (CPI) that includes the definitions
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of the control blocks and constants used for the interface.</dd>
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<dd>(2) The
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name of the interface program, the definition of the arguments passed to the
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interface program, and the definition of the data structures passed to the
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interface program.</dd>
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<dt id="x2016013" class="bold">
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<a name="x2016013"></a>callable service</dt>
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<dd>A program service
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provided through the programming interface. See also <a href="rzaata.htm#x2012979">action service</a>.</dd>
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<dt id="x2016018" class="bold">
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<a name="x2016018"></a>call control</dt>
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<dd>That set of telephony
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functions that includes call establishment, call transfer, and call disconnection
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(the program control of a telephone call).</dd>
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<dt id="x2016023" class="bold">
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<a name="x2016023"></a>call detail record (CDR)</dt>
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<dd>In telephony,
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a unit of information containing data about a completed call, such as the
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time the call began, its duration and date, the originating extension, and
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the number called.</dd>
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<dt id="x2043915" class="bold">
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<a name="x2043915"></a>called number</dt>
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<dd>See <a href="rzaatd.htm#x2020484">dialed number identification service</a>.</dd>
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<dt id="x2043921" class="bold">
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<a name="x2043921"></a>called party</dt>
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<dd>See <a href="rzaatd.htm#x2020484">dialed number identification service</a>.</dd>
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<dt id="x2016028" class="bold">
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<a name="x2016028"></a>called program</dt>
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<dd>A program that is
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the object of a CALL statement combined at run time with the calling program
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to produce a run unit.</dd>
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<dt id="x2016033" class="bold">
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<a name="x2016033"></a>caller</dt>
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<dd>The requester of a service.</dd>
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<dt id="x2016038" class="bold">
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<a name="x2016038"></a>calling program</dt>
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<dd>A program that calls
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another program.</dd>
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<dt id="x2016043" class="bold">
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<a name="x2016043"></a>call level</dt>
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<dd>The position of an entry
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(program or procedure) in the call stack. The first entry has a call level
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of 1. Any entry called by a level 1 entry has a call level of 2, and so on.</dd>
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<dt id="x2016048" class="bold">
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<a name="x2016048"></a>call level number</dt>
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<dd>A unique number
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assigned by the system to each call stack entry.</dd>
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<dt id="x2016053" class="bold">
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<a name="x2016053"></a>call message queue</dt>
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<dd>A message queue
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that exists for each call stack entry within a job.</dd>
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<dt id="x2016063" class="bold">
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<a name="x2016063"></a>call profile</dt>
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<dd>In telephony, a set
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of characteristics that may be used when establishing or manipulating a program-controlled
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telephone call.</dd>
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<dt id="x2016073" class="bold">
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<a name="x2016073"></a>call stack</dt>
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<dd>The ordered list of all
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programs or procedures currently started for a job. The programs and procedures
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can be started explicitly with the CALL instruction, or implicitly from some
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other event.</dd>
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<dt id="x2016078" class="bold">
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<a name="x2016078"></a>call stack entry</dt>
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<dd>A program or procedure
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in the call stack.</dd>
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<dt id="x2016088" class="bold">
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<a name="x2016088"></a>call user data (CUD)</dt>
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<dd>User-specified
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data that can be placed in an X.25 call request packet to be sent to the adjacent
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node.</dd>
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<dt id="x2016101" class="bold">
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<a name="x2016101"></a>cancellation cleanup handler</dt>
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<dd>A function
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that you can specify to perform an action, such as releasing resources, that
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occurs after the thread returns from the start routine and calls pthread_exit()
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or after a cancellation request is performed on the thread.</dd>
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<dt id="x2016106" class="bold">
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<a name="x2016106"></a>cancellation point</dt>
|
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<dd>A function that
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causes a pending cancellation request to be delivered if the cancellation
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state is enabled and the cancellation type is deferred.</dd>
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<dt id="x2016111" class="bold">
|
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<a name="x2016111"></a>cancellation state</dt>
|
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<dd>One of two values,
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which are either enabled or disabled, that describe whether cancellation requests
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in the current thread are acted on or held in a pending state. If the value
|
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is enabled, the cancellation request is acted on immediately and is based
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on the current cancellation type. If the value is disabled, the cancellation
|
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request is held in a pending state until it is enabled.</dd>
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<dt id="x2016116" class="bold">
|
||
|
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<a name="x2016116"></a>cancellation type</dt>
|
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<dd>One of two values
|
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(deferred or asynchronous) that describe how cancellation requests in the
|
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|
current thread are acted on when the cancellation state is enabled. If the
|
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value is deferred, the cancellation request is held pending. If the value
|
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is asynchronous, the cancel request is acted on immediately, thus ending the
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thread with a status of PTHREAD_CANCELED.</dd>
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<dt id="x2016121" class="bold">
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||
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<a name="x2016121"></a>capability data</dt>
|
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<dd>In OSI, a confirmed
|
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data transfer service provided by the session layer to transfer a limited
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amount of data outside of an activity. Capability data can be used by two
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peers to exchange information about their capability to start an activity.</dd>
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<dt id="x2016126" class="bold">
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<a name="x2016126"></a>capacitor</dt>
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<dd>An electronic part that
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permits storage of electricity.</dd>
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<dt id="x2016131" class="bold">
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<a name="x2016131"></a>capacity planner</dt>
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<dd>A function that
|
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uses information about the system, such as a description of the system's workload,
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performance objectives, and configuration, to determine how the data processing
|
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needs of the system can best be met. The capacity planner then recommends,
|
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through the use of printed reports and graphs, ways to enhance performance,
|
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such as hardware upgrades, performance tuning, or system configuration changes.</dd>
|
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<dt id="x2016136" class="bold">
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<a name="x2016136"></a>capacity planning</dt>
|
||
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<dd>The process of
|
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determining the hardware and software configuration required to accommodate
|
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|
the anticipated workload on a system.</dd>
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|
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<dt id="x2016141" class="bold">
|
||
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<a name="x2016141"></a>card</dt>
|
||
|
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<dd>An electronic circuit board
|
||
|
|
that is plugged into a slot in a system unit to give it added capabilities.</dd>
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<dt id="x2016146" class="bold">
|
||
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<a name="x2016146"></a>card enclosure</dt>
|
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<dd>The area in the system
|
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unit that contains the logic cards.</dd>
|
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<dt id="x2016151" class="bold">
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||
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<a name="x2016151"></a>card type</dt>
|
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<dd>A 4-digit identifier printed
|
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|
on the logic card.</dd>
|
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|
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<dt id="x2123697" class="bold">
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||
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<a name="x2123697"></a>carriage control character</dt>
|
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<dd>The first
|
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character of an output record (line) that is to be printed; it determines
|
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the movement before or after the next line is printed (write, space, or skip).
|
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See also <a href="rzaatc.htm#x2018457">control character</a>.</dd>
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<dt id="x2016161" class="bold">
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<a name="x2016161"></a>carrier</dt>
|
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<dd>A continuous frequency (a
|
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pulse train, or an electric or electromagnetic wave) that may be varied by
|
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a signal bearing information to be transmitted over a communication system.</dd>
|
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|
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<dt id="x2016166" class="bold">
|
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<a name="x2016166"></a>Carrier Sense Multiple Access with Collision
|
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Detection (CSMA/CD)</dt>
|
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<dd>A media access method that monitors another
|
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station's transmissions. If the data station detects another signal during
|
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transmission, it stops transmitting, sends a jam signal, then waits for a
|
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variable time before trying again.</dd>
|
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|
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<dt id="x2016171" class="bold">
|
||
|
|
<a name="x2016171"></a>cascaded initiator</dt>
|
||
|
|
<dd>An intermediate
|
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|
|
node in a transaction program network that uses the two-phase commit protocol.</dd>
|
||
|
|
<dt id="x2016176" class="bold">
|
||
|
|
<a name="x2016176"></a>cascaded menu</dt>
|
||
|
|
<dd>A menu that appears
|
||
|
|
from, and contains choices related to, a cascading choice in another menu.</dd>
|
||
|
|
<dt id="x2016181" class="bold">
|
||
|
|
<a name="x2016181"></a>cascading choice</dt>
|
||
|
|
<dd>A choice on a menu
|
||
|
|
that, when selected, presents another menu with additional related choices.</dd>
|
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|
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<dt id="x2016191" class="bold">
|
||
|
|
<a name="x2016191"></a>cast</dt>
|
||
|
|
<dd>In programming languages, an
|
||
|
|
expression that converts the value of its operand to a specified type.</dd>
|
||
|
|
<dt id="x2000519" class="bold">
|
||
|
|
<a name="x2000519"></a>catalog view</dt>
|
||
|
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<dd>(1) In DB2® UDB for iSeries™, one of the views contained in a UDB for iSeries SQL catalog.</dd>
|
||
|
|
<dd>(2) In DB2 UDB for iSeries, one of a set of views containing information about the objects in
|
||
|
|
a collection, such as tables, views, indexes, columns, packages, and constraints.</dd>
|
||
|
|
<dt id="x2016215" class="bold">
|
||
|
|
<a name="x2016215"></a>catch-up</dt>
|
||
|
|
<dd>In a remote journal network,
|
||
|
|
the process of replicating journal entries that existed in the journal receivers
|
||
|
|
of the source journal before the remote journal was activated.</dd>
|
||
|
|
<dt id="x2234719" class="bold">
|
||
|
|
<a name="x2234719"></a>CBC</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016783">cipher
|
||
|
|
block chaining</a>.</dd>
|
||
|
|
<dt id="x2016220" class="bold">
|
||
|
|
<a name="x2016220"></a>CBJ</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016835">Class
|
||
|
|
Broker for Java™</a>.</dd>
|
||
|
|
<dt id="x2016224" class="bold">
|
||
|
|
<a name="x2016224"></a>CBX</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017947">computerized
|
||
|
|
branch exchange</a>.</dd>
|
||
|
|
<dt id="x2124993" class="bold">
|
||
|
|
<a name="x2124993"></a>cc</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018457">control
|
||
|
|
character</a>.</dd>
|
||
|
|
<dt id="x2016228" class="bold">
|
||
|
|
<a name="x2016228"></a>CCA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017574">Common
|
||
|
|
Cryptographic Architecture</a>.</dd>
|
||
|
|
<dt id="x2016232" class="bold">
|
||
|
|
<a name="x2016232"></a>CCB</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017408">command
|
||
|
|
control block</a>.</dd>
|
||
|
|
<dt id="x2016241" class="bold">
|
||
|
|
<a name="x2016241"></a>CCS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017569">Common
|
||
|
|
Communications Support</a>.</dd>
|
||
|
|
<dt id="x2008839" class="bold">
|
||
|
|
<a name="x2008839"></a>CCSID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2000672">coded character set identifier</a>.</dd>
|
||
|
|
<dt id="x2016245" class="bold">
|
||
|
|
<a name="x2016245"></a>CCSID 65534</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017177">coded character set identifier 65534</a>.</dd>
|
||
|
|
<dt id="x2016249" class="bold">
|
||
|
|
<a name="x2016249"></a>CCSID 65535</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017182">coded character set identifier 65535</a>.</dd>
|
||
|
|
<dt id="x2050789" class="bold">
|
||
|
|
<a name="x2050789"></a>CD</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017733">compact
|
||
|
|
disc</a>.</dd>
|
||
|
|
<dt id="x2016257" class="bold">
|
||
|
|
<a name="x2016257"></a>CDR</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016023">call
|
||
|
|
detail record</a>.</dd>
|
||
|
|
<dt id="x2016253" class="bold">
|
||
|
|
<a name="x2016253"></a>CD-R</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017738">compact
|
||
|
|
disc - recordable</a>.</dd>
|
||
|
|
<dt id="x2008847" class="bold">
|
||
|
|
<a name="x2008847"></a>CDRA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2000549">Character
|
||
|
|
Data Representation Architecture</a>.</dd>
|
||
|
|
<dt id="x2395603" class="bold">
|
||
|
|
<a name="x2395603"></a>CD-ROM</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016261">compact-disc read-only memory</a>.</dd>
|
||
|
|
<dt id="x2016270" class="bold">
|
||
|
|
<a name="x2016270"></a>CDS clerk</dt>
|
||
|
|
<dd>The software that provides
|
||
|
|
an interface between client applications and CDS servers.</dd>
|
||
|
|
<dt id="x2016285" class="bold">
|
||
|
|
<a name="x2016285"></a>CE area</dt>
|
||
|
|
<dd>The name of a reserved area
|
||
|
|
on disk used for analyzing hardware.</dd>
|
||
|
|
<dt id="x2016330" class="bold">
|
||
|
|
<a name="x2016330"></a>Celsius</dt>
|
||
|
|
<dd>Pertaining to a thermometric
|
||
|
|
scale at which water boils at 100 degrees and freezes at 0 degrees in standard
|
||
|
|
atmospheric pressure.</dd>
|
||
|
|
<dt id="x2016343" class="bold">
|
||
|
|
<a name="x2016343"></a>centralized directory service</dt>
|
||
|
|
<dd>In
|
||
|
|
OSI, a method of organizing directory services so that one node provides directory
|
||
|
|
service for other nodes. OSI Communications Subsystem supports only centralized
|
||
|
|
directory service.</dd>
|
||
|
|
<dt id="x2016348" class="bold">
|
||
|
|
<a name="x2016348"></a>centralized processing</dt>
|
||
|
|
<dd>In CICS®, processing
|
||
|
|
in which the application is processed on a central processor, which users
|
||
|
|
access using a terminal.</dd>
|
||
|
|
<dt id="x2016353" class="bold">
|
||
|
|
<a name="x2016353"></a>central office (CO)</dt>
|
||
|
|
<dd>A telephone switching
|
||
|
|
system that connects customer-premise business and subscriber lines to other
|
||
|
|
customer lines or trunks, both locally or remotely. A central office is located
|
||
|
|
on the edge of the telephone service provider's network, rather than on a
|
||
|
|
customer's premises.</dd>
|
||
|
|
<dt id="x2016363" class="bold">
|
||
|
|
<a name="x2016363"></a>central site</dt>
|
||
|
|
<dd>In a network of servers,
|
||
|
|
the server licensed to receive program temporary fixes (PTFs) and distribution
|
||
|
|
media from IBM®. This system is also used to provide problem handling support to
|
||
|
|
other systems in a network. In a distributed data processing network, the
|
||
|
|
central site is usually defined as the focal point in a communications network
|
||
|
|
for alerts, application design, and remote system management tasks such as
|
||
|
|
problem management.</dd>
|
||
|
|
<dt id="x2016368" class="bold">
|
||
|
|
<a name="x2016368"></a>central system</dt>
|
||
|
|
<dd>A single server that
|
||
|
|
handles all of the communications to an endpoint system.</dd>
|
||
|
|
<dt id="x2016378" class="bold">
|
||
|
|
<a name="x2016378"></a>certificate</dt>
|
||
|
|
<dd>In computer security,
|
||
|
|
a digital document that binds a public key to the identity of the certificate
|
||
|
|
owner, thereby enabling the certificate owner to be authenticated. A certificate
|
||
|
|
is issued by a certificate authority.</dd>
|
||
|
|
<dt id="x2016383" class="bold">
|
||
|
|
<a name="x2016383"></a>certificate authority (CA)</dt>
|
||
|
|
<dd>An organization
|
||
|
|
that issues certificates. The CA authenticates the certificate owner's identity
|
||
|
|
and the services that the owner is authorized to use, issues new certificates,
|
||
|
|
renews existing certificates, and revokes certificates.</dd>
|
||
|
|
<dt id="x2016388" class="bold">
|
||
|
|
<a name="x2016388"></a>certificate authority certificate (CA certificate)</dt>
|
||
|
|
<dd>In computer security, a digital document that identifies an organization
|
||
|
|
that issues certificates.</dd>
|
||
|
|
<dt id="x2043605" class="bold">
|
||
|
|
<a name="x2043605"></a>CFIOP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017370">combined function IOP</a>.</dd>
|
||
|
|
<dt id="x2043621" class="bold">
|
||
|
|
<a name="x2043621"></a>CF key</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017434">command function key</a>.</dd>
|
||
|
|
<dt id="x2016398" class="bold">
|
||
|
|
<a name="x2016398"></a>CGI</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2051465">Common
|
||
|
|
Gateway Interface</a>.</dd>
|
||
|
|
<dt id="x2016402" class="bold">
|
||
|
|
<a name="x2016402"></a>CGI program</dt>
|
||
|
|
<dd>A program that runs on
|
||
|
|
a Web server and uses the common gateway interface (CGI) to perform tasks
|
||
|
|
that are not usually done by the server, such as database access and form
|
||
|
|
processing. The i5/OS™ operating system supports compiled CGI programs that
|
||
|
|
are written in ILE C, ILE RPG, and ILE COBOL languages.</dd>
|
||
|
|
<dt id="x2016407" class="bold">
|
||
|
|
<a name="x2016407"></a>CGI script</dt>
|
||
|
|
<dd>A computer program that
|
||
|
|
runs on a Web server and uses the Common Gateway Interface (CGI) to perform
|
||
|
|
tasks that are not usually done by a Web server (for example, database access
|
||
|
|
and form processing). A CGI script is a CGI program that is written in a scripting
|
||
|
|
language such as Perl.</dd>
|
||
|
|
<dt id="x2016412" class="bold">
|
||
|
|
<a name="x2016412"></a>CGU</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016557">character
|
||
|
|
generator utility</a>.</dd>
|
||
|
|
<dt id="x2016416" class="bold">
|
||
|
|
<a name="x2016416"></a>chain</dt>
|
||
|
|
<dd>(1) A group of logically linked
|
||
|
|
records that are transferred over a communications line.</dd>
|
||
|
|
<dd>(2) In DFU,
|
||
|
|
a way to change from one display format to another after the user signals
|
||
|
|
that the first display format was completed.</dd>
|
||
|
|
<dd>(3) In RPG, an operation
|
||
|
|
code that reads input records identified by specified relative record numbers
|
||
|
|
or keys.</dd>
|
||
|
|
<dt id="x2016430" class="bold">
|
||
|
|
<a name="x2016430"></a>chaining</dt>
|
||
|
|
<dd>A method of storing records
|
||
|
|
in which each record belongs to a list or group of records and has a linking
|
||
|
|
field for tracing the chain.</dd>
|
||
|
|
<dt id="x2016438" class="bold">
|
||
|
|
<a name="x2016438"></a>Challenge Handshake Authentication Protocol (CHAP)</dt>
|
||
|
|
<dd>An authentication protocol that protects against eavesdropping
|
||
|
|
by encrypting the user name and password. See also <a href="rzaatp.htm#x2033284">Password Authentication Protocol</a>.</dd>
|
||
|
|
<dt id="x2016443" class="bold">
|
||
|
|
<a name="x2016443"></a>change authority</dt>
|
||
|
|
<dd>An object authority
|
||
|
|
that allows a user to perform all operations on the object except those limited
|
||
|
|
to the owner or controlled by object existence authority, object management
|
||
|
|
authority, object alter authority, and object reference authority. The user
|
||
|
|
can add, change, and delete entries in an object, or read the contents of
|
||
|
|
an entry in the object. Change authority combines object operational authority
|
||
|
|
and all the data authorities.</dd>
|
||
|
|
<dt id="x2016448" class="bold">
|
||
|
|
<a name="x2016448"></a>change bar</dt>
|
||
|
|
<dd>A character used in the
|
||
|
|
left margin to indicate that a document line is changed.</dd>
|
||
|
|
<dt id="x2016453" class="bold">
|
||
|
|
<a name="x2016453"></a>change-direction protocol</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
a data flow control protocol in which the sending logical unit (LU) stops
|
||
|
|
sending normal-flow requests, signals this fact to the receiving LU using
|
||
|
|
the change-direction indicator (in the request header of the last request
|
||
|
|
of the last chain), and prepares to receive requests.</dd>
|
||
|
|
<dt id="x2016458" class="bold">
|
||
|
|
<a name="x2016458"></a>changed subfile record</dt>
|
||
|
|
<dd>A subfile
|
||
|
|
record into which the work station user has entered data, or a subfile record
|
||
|
|
for which a write or change operation was issued with the DDS keyword SFLNXTCHG
|
||
|
|
or DSPATR(MDT) in effect.</dd>
|
||
|
|
<dt id="x2016463" class="bold">
|
||
|
|
<a name="x2016463"></a>change log</dt>
|
||
|
|
<dd>For directory shadowing,
|
||
|
|
a record of changes made to directory entries, departments, and locations
|
||
|
|
for the purpose of sending only the updates and not the entire directory to
|
||
|
|
collecting systems.</dd>
|
||
|
|
<dt id="x2016468" class="bold">
|
||
|
|
<a name="x2016468"></a>change management</dt>
|
||
|
|
<dd>The process of
|
||
|
|
planning (for example, scheduling) and controlling (for example, distributing,
|
||
|
|
installing, and tracking) software changes over a network.</dd>
|
||
|
|
<dt id="x2016473" class="bold">
|
||
|
|
<a name="x2016473"></a>change request (CRQ)</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
an instance of a change request description that has been submitted to run
|
||
|
|
or is running. A change request is uniquely identified by the change request
|
||
|
|
name and a sequence number.</dd>
|
||
|
|
<dt id="x2016478" class="bold">
|
||
|
|
<a name="x2016478"></a>change request description (CRQD)</dt>
|
||
|
|
<dd>An i5/OS object that describes a change to be made to the computing environment.
|
||
|
|
The object, which is maintained only at the central site server or servers,
|
||
|
|
consists of a list of activities that describe the steps needed to make the
|
||
|
|
change.</dd>
|
||
|
|
<dt id="x2016487" class="bold">
|
||
|
|
<a name="x2016487"></a>channel code</dt>
|
||
|
|
<dd>A number from 1 to 12
|
||
|
|
that identifies a position in a forms-control buffer or a page definition.</dd>
|
||
|
|
<dt id="x2016492" class="bold">
|
||
|
|
<a name="x2016492"></a>channel service unit (CSU)</dt>
|
||
|
|
<dd>An American
|
||
|
|
Telephone and Telegraph (AT&T) unit that is part of the AT&T nonswitched
|
||
|
|
digital data system.</dd>
|
||
|
|
<dt id="x2016497" class="bold">
|
||
|
|
<a name="x2016497"></a>CHAP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016438">Challenge
|
||
|
|
Handshake Authentication Protocol</a>.</dd>
|
||
|
|
<dt id="x2016501" class="bold">
|
||
|
|
<a name="x2016501"></a>character</dt>
|
||
|
|
<dd>Any symbol that can be
|
||
|
|
entered on a keyboard, printed, or displayed. For example, letters, numbers,
|
||
|
|
and punctuation marks are all characters.</dd>
|
||
|
|
<dt id="x2016506" class="bold">
|
||
|
|
<a name="x2016506"></a>character array</dt>
|
||
|
|
<dd>A named list or table
|
||
|
|
of character data.</dd>
|
||
|
|
<dt id="x2016511" class="bold">
|
||
|
|
<a name="x2016511"></a>character cell</dt>
|
||
|
|
<dd>In the GDDM® function, the
|
||
|
|
imaginary box whose boundaries govern the size, orientation, and spacing of
|
||
|
|
individual characters to be displayed on a work station.</dd>
|
||
|
|
<dt id="x2123956" class="bold">
|
||
|
|
<a name="x2123956"></a>character code</dt>
|
||
|
|
<dd>In iSeries Access, an
|
||
|
|
ASCII or EBCDIC value assigned to the symbols or functions that are used by
|
||
|
|
a computer.</dd>
|
||
|
|
<dt id="x2016521" class="bold">
|
||
|
|
<a name="x2016521"></a>character constant</dt>
|
||
|
|
<dd>(1) The actual character
|
||
|
|
value (a symbol, quantity, or constant) in a source program that is itself
|
||
|
|
data, instead of reference to a field that contains the data. See also <a href="rzaatn.htm#x2031910">numeric constant</a>.</dd>
|
||
|
|
<dd>(2) In the C language, a
|
||
|
|
character or an escape sequence enclosed in quotation marks.</dd>
|
||
|
|
<dt id="x2016529" class="bold">
|
||
|
|
<a name="x2016529"></a>character conversion</dt>
|
||
|
|
<dd>The process
|
||
|
|
of changing data from one character coding representation to another.</dd>
|
||
|
|
<dt id="x2000549" class="bold">
|
||
|
|
<a name="x2000549"></a>Character Data Representation Architecture (CDRA)</dt>
|
||
|
|
<dd>An IBM architecture that defines a set of identifiers, resources,
|
||
|
|
services, and conventions to achieve consistent representation, processing,
|
||
|
|
and interchange of graphic character data in heterogeneous environments.</dd>
|
||
|
|
<dt id="x2016537" class="bold">
|
||
|
|
<a name="x2016537"></a>character data representation identifier</dt>
|
||
|
|
<dd>A tag that is used to achieve data integrity. The Character Data Representation
|
||
|
|
Architecture specifies that you should tag all character data as it flows
|
||
|
|
through the system. You can tag using a short-form or a long-form identifier.
|
||
|
|
A coded character set identifier (CCSID) is an example of a character data
|
||
|
|
representation identifier.</dd>
|
||
|
|
<dt id="x2016542" class="bold">
|
||
|
|
<a name="x2016542"></a>character expression</dt>
|
||
|
|
<dd>A character
|
||
|
|
constant, a simple character variable, an element of a character array, a
|
||
|
|
character-valued function reference, a substring reference, or a sequence
|
||
|
|
of the above separated by the concatenation operator and parentheses.</dd>
|
||
|
|
<dt id="x2016547" class="bold">
|
||
|
|
<a name="x2016547"></a>character field</dt>
|
||
|
|
<dd>An area that is reserved
|
||
|
|
for information that can contain any of the characters in the character set.
|
||
|
|
See also <a href="rzaatn.htm#x2031930">numeric field</a>.</dd>
|
||
|
|
<dt id="x2016552" class="bold">
|
||
|
|
<a name="x2016552"></a>character format</dt>
|
||
|
|
<dd>In REXX, a format
|
||
|
|
that is used in the REXX conversion functions to indicate that data is in
|
||
|
|
a textual form as opposed to machine-readable form.</dd>
|
||
|
|
<dt id="x2016557" class="bold">
|
||
|
|
<a name="x2016557"></a>character generator utility (CGU)</dt>
|
||
|
|
<dd>A function of the Application Development ToolSet licensed program that is
|
||
|
|
used to define and maintain user-defined double-byte characters and related
|
||
|
|
sort information.</dd>
|
||
|
|
<dt id="x2016562" class="bold">
|
||
|
|
<a name="x2016562"></a>character grid</dt>
|
||
|
|
<dd>In Business Graphics
|
||
|
|
Utility, an invisible network of uniformly spaced horizontal and vertical
|
||
|
|
lines covering the chart area. Used by the Business Graphics Utility to determine
|
||
|
|
the physical dimensions of the chart and the placement of the data on it.</dd>
|
||
|
|
<dt id="x2016567" class="bold">
|
||
|
|
<a name="x2016567"></a>character grid unit</dt>
|
||
|
|
<dd>In Business Graphics
|
||
|
|
Utility, the distance between two adjacent horizontal or vertical lines on
|
||
|
|
a character grid.</dd>
|
||
|
|
<dt id="x2016572" class="bold">
|
||
|
|
<a name="x2016572"></a>character ID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016576">character identifier</a>.</dd>
|
||
|
|
<dt id="x2016576" class="bold">
|
||
|
|
<a name="x2016576"></a>character identifier (character ID)</dt>
|
||
|
|
<dd>(1) The standard identifier for a character, regardless of its style. For example,
|
||
|
|
all uppercase A's have the same character identifier.</dd>
|
||
|
|
<dd>(2) On a server,
|
||
|
|
a 4-byte binary value. The value is a concatenation of the graphic character
|
||
|
|
set global identifier followed by the code page global identifier. For example,
|
||
|
|
the character identifier for German (feature 2929) is 00697 00273.</dd>
|
||
|
|
<dt id="x2016589" class="bold">
|
||
|
|
<a name="x2016589"></a>character key</dt>
|
||
|
|
<dd>A keyboard key that
|
||
|
|
allows the user to type into the system the character shown on the key. See
|
||
|
|
also <a href="rzaatf.htm#x2023617">function key</a>.</dd>
|
||
|
|
<dt id="x2000554" class="bold">
|
||
|
|
<a name="x2000554"></a>character large object (CLOB)</dt>
|
||
|
|
<dd>A character
|
||
|
|
string that contains single-byte characters with an associated code page.</dd>
|
||
|
|
<dt id="x2016597" class="bold">
|
||
|
|
<a name="x2016597"></a>character operator</dt>
|
||
|
|
<dd>A symbol representing
|
||
|
|
an operation to be performed on character data, such as concatenation (joining
|
||
|
|
the data or fields) in the control language (CL).</dd>
|
||
|
|
<dt id="x2124070" class="bold">
|
||
|
|
<a name="x2124070"></a>character printer</dt>
|
||
|
|
<dd>A device that prints
|
||
|
|
a single character at a time. (T) (A) See also <a href="rzaatl.htm#x2028635">line
|
||
|
|
printer</a>.</dd>
|
||
|
|
<dt id="x2016602" class="bold">
|
||
|
|
<a name="x2016602"></a>character set</dt>
|
||
|
|
<dd>(1) A defined set of characters
|
||
|
|
with no coded representation assumed. A character set may be defined by alphabet,
|
||
|
|
by language, by script, or any combination of these definitions. A character
|
||
|
|
set is not, however, the same as a display font or printer font.</dd>
|
||
|
|
<dd>(2) A defined set of characters that can be recognized by a configured hardware
|
||
|
|
or software system.</dd>
|
||
|
|
<dt id="x2016610" class="bold">
|
||
|
|
<a name="x2016610"></a>character set identifier 65534</dt>
|
||
|
|
<dd>The
|
||
|
|
character set identifier (CCSID) that is used to show that a CCSID value for
|
||
|
|
data at this level of processing is not relevant. When CCSID 65534 (FFFE )
|
||
|
|
is associated with data, a CCSID value for the data should be obtained from
|
||
|
|
the tagged fields of elements that are at a lower level in the defined hierarchy.
|
||
|
|
For example, a file has CCSIDs tagged for each individual field it contains.
|
||
|
|
If the file is tagged with CCSID 65534, processing is based on the CCSIDs
|
||
|
|
assigned to each individual field instead of the CCSID assigned to the file.</dd>
|
||
|
|
<dt id="x2016615" class="bold">
|
||
|
|
<a name="x2016615"></a>character set identifier 65535</dt>
|
||
|
|
<dd>The
|
||
|
|
character set identifier (CCSID) that is used to show that data associated
|
||
|
|
with the CCSID should not be processed as coded-graphic-character data.</dd>
|
||
|
|
<dt id="x2016620" class="bold">
|
||
|
|
<a name="x2016620"></a>characters per inch (cpi)</dt>
|
||
|
|
<dd>The number
|
||
|
|
of characters printed horizontally within an inch across a page.</dd>
|
||
|
|
<dt id="x2000559" class="bold">
|
||
|
|
<a name="x2000559"></a>character string</dt>
|
||
|
|
<dd>A sequence of consecutive
|
||
|
|
characters that are treated as a unit.</dd>
|
||
|
|
<dt id="x2016634" class="bold">
|
||
|
|
<a name="x2016634"></a>character variable</dt>
|
||
|
|
<dd>(1) In the C language,
|
||
|
|
a data object whose value can be changed while a program is running and whose
|
||
|
|
data type is a signed or unsigned character.</dd>
|
||
|
|
<dd>(2) Character data whose
|
||
|
|
value is assigned or changed while the program is running.</dd>
|
||
|
|
<dt id="x2016642" class="bold">
|
||
|
|
<a name="x2016642"></a>chart</dt>
|
||
|
|
<dd>A picture defined in terms
|
||
|
|
of graphics primitives and graphics attributes.</dd>
|
||
|
|
<dt id="x2016647" class="bold">
|
||
|
|
<a name="x2016647"></a>chart area</dt>
|
||
|
|
<dd>In the GDDM function, the
|
||
|
|
part of the picture space in which a business chart is to be drawn.</dd>
|
||
|
|
<dt id="x2016652" class="bold">
|
||
|
|
<a name="x2016652"></a>chart format</dt>
|
||
|
|
<dd>In Business Graphics
|
||
|
|
Utility, an object containing chart characteristics, such as the chart type,
|
||
|
|
chart heading, legend position, and so on. The chart format does not include
|
||
|
|
the data values to be plotted. The system-recognized identifier for the object
|
||
|
|
type is *CHTFMT.</dd>
|
||
|
|
<dt id="x2016657" class="bold">
|
||
|
|
<a name="x2016657"></a>chart layout</dt>
|
||
|
|
<dd>In Business Graphics
|
||
|
|
Utility, the arrangement of the various parts in the chart area and surrounding
|
||
|
|
margins.</dd>
|
||
|
|
<dt id="x2016662" class="bold">
|
||
|
|
<a name="x2016662"></a>CHASE</dt>
|
||
|
|
<dd>In SNA, a command used by the
|
||
|
|
host system to determine when the secondary logical unit has finished processing
|
||
|
|
all previously sent response units.</dd>
|
||
|
|
<dt id="x2016667" class="bold">
|
||
|
|
<a name="x2016667"></a>check box</dt>
|
||
|
|
<dd>A square box with associated
|
||
|
|
text that represents a choice. When a user selects the choice, the check box
|
||
|
|
is filled to indicate that the choice is selected. The user can clear the
|
||
|
|
check box by selecting the choice again, thereby deselecting the choice.</dd>
|
||
|
|
<dt id="x2000579" class="bold">
|
||
|
|
<a name="x2000579"></a>check constraint</dt>
|
||
|
|
<dd>In DB2 UDB for iSeries, a rule that limits the values allowed in a column or group of columns.
|
||
|
|
A check constraint can be defined for either a table or a file.</dd>
|
||
|
|
<dt id="x2016675" class="bold">
|
||
|
|
<a name="x2016675"></a>check digit</dt>
|
||
|
|
<dd>The far right number
|
||
|
|
of a self-check field used to verify the accuracy of the field.</dd>
|
||
|
|
<dt id="x2016680" class="bold">
|
||
|
|
<a name="x2016680"></a>check in</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, to
|
||
|
|
release the access key for a part so other users can change the part.</dd>
|
||
|
|
<dt id="x2016685" class="bold">
|
||
|
|
<a name="x2016685"></a>check out</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, to
|
||
|
|
copy a part to a specific development group, if it is not there already, and
|
||
|
|
to set the access key for the part so no other application developer can change
|
||
|
|
it.</dd>
|
||
|
|
<dt id="x2000589" class="bold">
|
||
|
|
<a name="x2000589"></a>check pending</dt>
|
||
|
|
<dd>A state that occurs
|
||
|
|
on i5/OS when data for a constraint for a database file cannot be verified
|
||
|
|
as valid. A constraint could be either a referential constraint or a check
|
||
|
|
constraint.</dd>
|
||
|
|
<dt id="x2000594" class="bold">
|
||
|
|
<a name="x2000594"></a>checkpoint</dt>
|
||
|
|
<dd>A place in a program at
|
||
|
|
which a check is made, or at which a recording of data is made to allow the
|
||
|
|
program to be restarted in case of interruption.</dd>
|
||
|
|
<dt id="x2016702" class="bold">
|
||
|
|
<a name="x2016702"></a>checkpoint size</dt>
|
||
|
|
<dd>In OSI X.400, the
|
||
|
|
maximum amount of data (in units of 1024 bytes) that can be sent between two
|
||
|
|
minor synchronization points. The checkpoint size is used by the X.400 reliable
|
||
|
|
transfer server.</dd>
|
||
|
|
<dt id="x2016707" class="bold">
|
||
|
|
<a name="x2016707"></a>checksum</dt>
|
||
|
|
<dd>In error detection, a value
|
||
|
|
that is produced by accumulating a quantity of data. The checksum and the
|
||
|
|
accumulated data are sent together so that the receiver can verify the integrity
|
||
|
|
of the data by regenerating the checksum and comparing it to the previously
|
||
|
|
generated checksum.</dd>
|
||
|
|
<dt id="x2016712" class="bold">
|
||
|
|
<a name="x2016712"></a>checksum protection</dt>
|
||
|
|
<dd>(1) In TCP/IP, the
|
||
|
|
sum of a group of data associated with the group and used for error checking
|
||
|
|
purposes.</dd>
|
||
|
|
<dd>(2) A function that protects data stored in an auxiliary
|
||
|
|
storage pool from being lost because of the failure of a single disk. When
|
||
|
|
checksum protection is in effect and a disk failure occurs, the system automatically
|
||
|
|
reconstructs the data when the system program is loaded after the device is
|
||
|
|
repaired. See also <a href="rzaatd.htm#x2020414">device parity protection</a>, <a href="rzaatm.htm#x2030442">mirrored protection</a>.</dd>
|
||
|
|
<dt id="x2016720" class="bold">
|
||
|
|
<a name="x2016720"></a>checksum set</dt>
|
||
|
|
<dd>Units of auxiliary storage
|
||
|
|
defined in groups to provide a way for the system to recover data if a disk
|
||
|
|
failure occurs when checksum protection is in effect.</dd>
|
||
|
|
<dt id="x2016725" class="bold">
|
||
|
|
<a name="x2016725"></a>child class</dt>
|
||
|
|
<dd>A class that inherits
|
||
|
|
instance methods, attributes, and instance variables directly from the parent
|
||
|
|
class (also known as the base class or superclass), or indirectly from an
|
||
|
|
ancestor class.</dd>
|
||
|
|
<dt id="x2016740" class="bold">
|
||
|
|
<a name="x2016740"></a>child process</dt>
|
||
|
|
<dd>A process that is created
|
||
|
|
by a parent process and that shares the resources of the parent process to
|
||
|
|
carry out a request.</dd>
|
||
|
|
<dt id="x2016745" class="bold">
|
||
|
|
<a name="x2016745"></a>child window</dt>
|
||
|
|
<dd>A window that appears
|
||
|
|
within the border of its parent window (either a primary window or another
|
||
|
|
child window). When the parent window is resized, moved, or destroyed, the
|
||
|
|
child window also is resized, moved, or destroyed. However, the child window
|
||
|
|
can be moved or resized independently from the parent window, within the boundaries
|
||
|
|
of the parent window.</dd>
|
||
|
|
<dt id="x2008855" class="bold">
|
||
|
|
<a name="x2008855"></a>CI</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016005">callable
|
||
|
|
interface</a>.</dd>
|
||
|
|
<dt id="x2403301" class="bold">
|
||
|
|
<a name="x2403301"></a>CICS (Customer Information Control System)</dt>
|
||
|
|
<dd>An IBM licensed program that provides online transaction-processing
|
||
|
|
services and management for business applications.</dd>
|
||
|
|
<dt id="x2016760" class="bold">
|
||
|
|
<a name="x2016760"></a>CICS group</dt>
|
||
|
|
<dd>An i5/OS library containing
|
||
|
|
the CICS resource definition for CICS tables.</dd>
|
||
|
|
<dt id="x2016765" class="bold">
|
||
|
|
<a name="x2016765"></a>CICS-value data area (CVDA)</dt>
|
||
|
|
<dd>CICS-supplied
|
||
|
|
values to certain data options on EXEC CICS commands. See the CICS System Programming
|
||
|
|
Reference manual for more information.</dd>
|
||
|
|
<dt id="x2016770" class="bold">
|
||
|
|
<a name="x2016770"></a>CIDR</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016855">Classless
|
||
|
|
Inter-Domain Routing</a>.</dd>
|
||
|
|
<dt id="x2153400" class="bold">
|
||
|
|
<a name="x2153400"></a>CIM</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2153398">Common
|
||
|
|
Information Model</a>.</dd>
|
||
|
|
<dt id="x2016774" class="bold">
|
||
|
|
<a name="x2016774"></a>C interface</dt>
|
||
|
|
<dd>The interface that is
|
||
|
|
defined at a level that depends on the variant of C standardized by ANSI.</dd>
|
||
|
|
<dt id="x2016779" class="bold">
|
||
|
|
<a name="x2016779"></a>CIP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017531">commit
|
||
|
|
in progress</a>.</dd>
|
||
|
|
<dt id="x2016783" class="bold">
|
||
|
|
<a name="x2016783"></a>cipher block chaining (CBC)</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, a method of reducing repetitive patterns in ciphertext by performing
|
||
|
|
an exclusive-OR operation on each 8-byte block of data, with the previously
|
||
|
|
encrypted 8-byte block before it is encrypted.</dd>
|
||
|
|
<dt id="x2016788" class="bold">
|
||
|
|
<a name="x2016788"></a>ciphertext</dt>
|
||
|
|
<dd>Data that has been encrypted.
|
||
|
|
Ciphertext is unreadable until it has been converted into plaintext (decrypted)
|
||
|
|
with a key. See also <a href="rzaatp.htm#x2033812">plaintext</a>.</dd>
|
||
|
|
<dt id="x2016793" class="bold">
|
||
|
|
<a name="x2016793"></a>circuit breaker</dt>
|
||
|
|
<dd>A switch that automatically
|
||
|
|
interrupts an electric circuit because of an abnormal condition.</dd>
|
||
|
|
<dt id="x2016798" class="bold">
|
||
|
|
<a name="x2016798"></a>CISC</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017856">complex
|
||
|
|
instruction set computer</a>.</dd>
|
||
|
|
<dt id="x2016802" class="bold">
|
||
|
|
<a name="x2016802"></a>CL</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018489">control
|
||
|
|
language</a>.</dd>
|
||
|
|
<dt id="x2016806" class="bold">
|
||
|
|
<a name="x2016806"></a>C language</dt>
|
||
|
|
<dd>A language used to develop
|
||
|
|
application programs in compact, efficient code that can be run on different
|
||
|
|
types of computers with minimal change.</dd>
|
||
|
|
<dt id="x2016811" class="bold">
|
||
|
|
<a name="x2016811"></a>class</dt>
|
||
|
|
<dd>(1) In object-oriented design or
|
||
|
|
programming, a model or template that can be used to create objects with a
|
||
|
|
common definition and common properties, operations, and behavior. An object
|
||
|
|
is an instance of a class.</dd>
|
||
|
|
<dd>(2) An object that contains specifications,
|
||
|
|
such as priority, maximum processing time, and maximum storage, to control
|
||
|
|
the run-time environment of a job. The system-recognized identifier for the
|
||
|
|
object type is *CLS.</dd>
|
||
|
|
<dt id="x2235504" class="bold">
|
||
|
|
<a name="x2235504"></a>class 0</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042044">transport class 0</a>.</dd>
|
||
|
|
<dt id="x2235506" class="bold">
|
||
|
|
<a name="x2235506"></a>class 2</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042049">transport class 2</a>.</dd>
|
||
|
|
<dt id="x2235508" class="bold">
|
||
|
|
<a name="x2235508"></a>class 4</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042054">transport class 4</a>.</dd>
|
||
|
|
<dt id="x2016825" class="bold">
|
||
|
|
<a name="x2016825"></a>class attribute</dt>
|
||
|
|
<dd>A value in a class
|
||
|
|
object that controls the processing of routing steps in a job. These values
|
||
|
|
include the run priority, time slice, eligibility for purge, default wait
|
||
|
|
time, maximum processing unit time, and maximum temporary storage parameters.</dd>
|
||
|
|
<dt id="x2016830" class="bold">
|
||
|
|
<a name="x2016830"></a>class binding signature</dt>
|
||
|
|
<dd>A hexadecimal
|
||
|
|
value that contains the class signature (obtained from the signature bank)
|
||
|
|
and the inheritance level. The class binding signature is added to the Interface
|
||
|
|
Definition Language (IDL) source file by the signature emitter.</dd>
|
||
|
|
<dt id="x2016835" class="bold">
|
||
|
|
<a name="x2016835"></a>Class Broker for Java (CBJ)</dt>
|
||
|
|
<dd>A Java tool
|
||
|
|
that allows Java applications to run on a host system that does
|
||
|
|
not have a graphical user interface (GUI). Because the iSeries Developer
|
||
|
|
Kit for Java Remote Abstract Window Toolkit is not recommended
|
||
|
|
for complex graphics or highly interactive operations, you can use CBJ for
|
||
|
|
high-performance GUI services.</dd>
|
||
|
|
<dt id="x2016840" class="bold">
|
||
|
|
<a name="x2016840"></a>class condition</dt>
|
||
|
|
<dd>In COBOL, a condition
|
||
|
|
that specifies the character content of a data item as all alphabetic or all
|
||
|
|
numeric.</dd>
|
||
|
|
<dt id="x2016845" class="bold">
|
||
|
|
<a name="x2016845"></a>class file</dt>
|
||
|
|
<dd>A compiled Java source
|
||
|
|
file.</dd>
|
||
|
|
<dt id="x2016850" class="bold">
|
||
|
|
<a name="x2016850"></a>classifier</dt>
|
||
|
|
<dd>In QoS, a control function
|
||
|
|
that selects packets according to the content within the packet headers.</dd>
|
||
|
|
<dt id="x2016855" class="bold">
|
||
|
|
<a name="x2016855"></a>Classless Inter-Domain Routing (CIDR)</dt>
|
||
|
|
<dd>A method for adding class C Internet Protocol (IP) addresses. The addresses
|
||
|
|
are given to Internet Service Providers (ISPs) for use by their customers.
|
||
|
|
CIDR addresses reduce the size of routing tables and make more IP addresses
|
||
|
|
available within organizations.</dd>
|
||
|
|
<dt id="x2016860" class="bold">
|
||
|
|
<a name="x2016860"></a>class mask</dt>
|
||
|
|
<dd>A network mask that is
|
||
|
|
derived solely on the basis of the network class of an Internet Protocol (IP)
|
||
|
|
address.</dd>
|
||
|
|
<dt id="x2016865" class="bold">
|
||
|
|
<a name="x2016865"></a>class method</dt>
|
||
|
|
<dd>(1) In Java,
|
||
|
|
a method that is called without referring to a particular object. Class methods
|
||
|
|
affect the class as a whole, not a particular instance of the class. Class
|
||
|
|
method is also known as static method. See also <a href="rzaati.htm#x2025515">instance
|
||
|
|
method</a>.</dd>
|
||
|
|
<dd>(2) A method that creates class instances.</dd>
|
||
|
|
<dt id="x2016873" class="bold">
|
||
|
|
<a name="x2016873"></a>class-name</dt>
|
||
|
|
<dd>In COBOL, a user-defined
|
||
|
|
word defined in the SPECIAL-NAMES paragraph of the Environment Division that
|
||
|
|
assigns a name to the proposition, for which a truth value can be defined,
|
||
|
|
to verify that the content of a data item consists exclusively of those characters
|
||
|
|
listed in the definition of the class-name.</dd>
|
||
|
|
<dt id="x2016878" class="bold">
|
||
|
|
<a name="x2016878"></a>class object</dt>
|
||
|
|
<dd>An object that identifies
|
||
|
|
the run attributes of a job. The system-recognized identifier for the object
|
||
|
|
type is *CLS.</dd>
|
||
|
|
<dt id="x2000629" class="bold">
|
||
|
|
<a name="x2000629"></a>class of service</dt>
|
||
|
|
<dd>A set of link and
|
||
|
|
node characteristics, associated with a session or a set of sessions, that
|
||
|
|
determine the route that is selected for the sessions through an APPN network.</dd>
|
||
|
|
<dt id="x2016886" class="bold">
|
||
|
|
<a name="x2016886"></a>class-of-service description</dt>
|
||
|
|
<dd>A system
|
||
|
|
object created for Advanced Peer-to-Peer Networking® (APPN) support
|
||
|
|
that provides the information required to assign relative priority to the
|
||
|
|
transmission groups and intermediate routing nodes for an APPN session. The
|
||
|
|
system-recognized identifier for the object type is *COSD.</dd>
|
||
|
|
<dt id="x2115400" class="bold">
|
||
|
|
<a name="x2115400"></a>CLASSPATH</dt>
|
||
|
|
<dd>In the execution environment,
|
||
|
|
an environment variable keyword that specifies the directories in which to
|
||
|
|
look for class and resource files. See also <a href="rzaatc.htm#x2171901">class path</a>.</dd>
|
||
|
|
<dt id="x2171901" class="bold">
|
||
|
|
<a name="x2171901"></a>class path</dt>
|
||
|
|
<dd>A list of directories
|
||
|
|
and JAR files that contain resource files or Java classes that a program can load dynamically
|
||
|
|
at run time. See also <a href="rzaatc.htm#x2115400">CLASSPATH</a>.</dd>
|
||
|
|
<dt id="x2016896" class="bold">
|
||
|
|
<a name="x2016896"></a>class signature</dt>
|
||
|
|
<dd>A hexadecimal value
|
||
|
|
obtained from a server and placed in a signature bank on the workstation.
|
||
|
|
The signature bank uniquely identifies an Interface Definition Language (IDL)
|
||
|
|
interface. Class signatures are added to the IDL source file by the signature
|
||
|
|
emitter.</dd>
|
||
|
|
<dt id="x2000634" class="bold">
|
||
|
|
<a name="x2000634"></a>clause</dt>
|
||
|
|
<dd>(1) The fundamental grouping of
|
||
|
|
REXX syntax. A clause is composed of zero or more blanks, a sequence of tokens,
|
||
|
|
zero or more blanks, and the semicolon delimiter.</dd>
|
||
|
|
<dd>(2) In SQL, a distinct
|
||
|
|
part of a statement in the language structure, such as a SELECT clause or
|
||
|
|
a WHERE clause.</dd>
|
||
|
|
<dd>(3) A set of consecutive character strings that specify
|
||
|
|
a characteristic of an entry. There are three types of clauses: data, environment,
|
||
|
|
and file.</dd>
|
||
|
|
<dt id="x2016930" class="bold">
|
||
|
|
<a name="x2016930"></a>cleanup interval</dt>
|
||
|
|
<dd>The length of time
|
||
|
|
to wait before removing obsolete data.</dd>
|
||
|
|
<dt id="x2016958" class="bold">
|
||
|
|
<a name="x2016958"></a>click</dt>
|
||
|
|
<dd>To press and release a mouse
|
||
|
|
button without moving the pointer off the choice.</dd>
|
||
|
|
<dt id="x2000644" class="bold">
|
||
|
|
<a name="x2000644"></a>client</dt>
|
||
|
|
<dd>A system or process that is
|
||
|
|
dependent on another system or process (usually called the server) to provide
|
||
|
|
it with access to data, services, programs, or resources. See also <a href="rzaats.htm#x2004518">server</a>, <a href="rzaath.htm#x2002243">host</a>.</dd>
|
||
|
|
<dt id="x2016982" class="bold">
|
||
|
|
<a name="x2016982"></a>client application</dt>
|
||
|
|
<dd>A Microsoft® Windows® application that makes dynamic data exchange (DDE) requests.
|
||
|
|
Any Windows application that supports DDE can be a client application as
|
||
|
|
long as a host server has been created to handle requests from the client
|
||
|
|
application.</dd>
|
||
|
|
<dt id="x2017002" class="bold">
|
||
|
|
<a name="x2017002"></a>client/server</dt>
|
||
|
|
<dd>Pertaining to the model
|
||
|
|
of interaction in distributed data processing in which a program on one computer
|
||
|
|
sends a request to a program on another computer and awaits a response. The
|
||
|
|
requesting program is called a client; the answering program is called a server.
|
||
|
|
See also <a href="rzaatd.htm#x2020880">distributed application</a>.</dd>
|
||
|
|
<dt id="x2017015" class="bold">
|
||
|
|
<a name="x2017015"></a>clipboard</dt>
|
||
|
|
<dd>An area of computer memory,
|
||
|
|
or storage, that temporarily holds data. Data in the clipboard is available
|
||
|
|
to other applications.</dd>
|
||
|
|
<dt id="x2017020" class="bold">
|
||
|
|
<a name="x2017020"></a>clipping</dt>
|
||
|
|
<dd>In the GDDM function, the
|
||
|
|
process of cutting off the image at the border of the display but allowing
|
||
|
|
the coordinates of the lines to extend beyond.</dd>
|
||
|
|
<dt id="x2017025" class="bold">
|
||
|
|
<a name="x2017025"></a>CLNP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018219">connectionless-mode
|
||
|
|
network protocol</a>.</dd>
|
||
|
|
<dt id="x2017029" class="bold">
|
||
|
|
<a name="x2017029"></a>CLNS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018224">connectionless-mode
|
||
|
|
network service</a>.</dd>
|
||
|
|
<dt id="x2017033" class="bold">
|
||
|
|
<a name="x2017033"></a>CLNS path</dt>
|
||
|
|
<dd>In OSI, a path used when
|
||
|
|
the connectionless-mode network service is used. Each CLNS path names data
|
||
|
|
terminal equipment (DTE) to be used for outbound communication.</dd>
|
||
|
|
<dt id="x2017038" class="bold">
|
||
|
|
<a name="x2017038"></a>CLNS path maintenance</dt>
|
||
|
|
<dd>In OSI, an
|
||
|
|
option of whether or not to maintain a CLNS path to an adjacent node permanently
|
||
|
|
(until OSI Communications Subsystem is restarted), or release the path when
|
||
|
|
no active CLNS connection uses it. These connections include both network
|
||
|
|
management and directory service connections and connections between customer
|
||
|
|
programs.</dd>
|
||
|
|
<dt id="x2017043" class="bold">
|
||
|
|
<a name="x2017043"></a>CLNS path set</dt>
|
||
|
|
<dd>In OSI, a path set
|
||
|
|
used when the connectionless-mode network service is used.</dd>
|
||
|
|
<dt id="x2008871" class="bold">
|
||
|
|
<a name="x2008871"></a>CLOB</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2000554">character
|
||
|
|
large object</a>.</dd>
|
||
|
|
<dt id="x2017060" class="bold">
|
||
|
|
<a name="x2017060"></a>clocking</dt>
|
||
|
|
<dd>In communications, a method
|
||
|
|
of controlling the number of data bits sent on a communications line in a
|
||
|
|
specified time.</dd>
|
||
|
|
<dt id="x2017065" class="bold">
|
||
|
|
<a name="x2017065"></a>close</dt>
|
||
|
|
<dd>To end the connection between
|
||
|
|
a file and a program, and to end the processing.</dd>
|
||
|
|
<dt id="x2017070" class="bold">
|
||
|
|
<a name="x2017070"></a>closed user group (CUG)</dt>
|
||
|
|
<dd>In data communication,
|
||
|
|
a group of users who can communicate with other users in the group, but not
|
||
|
|
with users outside the group. A data terminal equipment (DTE) may belong to
|
||
|
|
more than one closed user group.</dd>
|
||
|
|
<dt id="x2017075" class="bold">
|
||
|
|
<a name="x2017075"></a>closure line</dt>
|
||
|
|
<dd>In the GDDM function, a
|
||
|
|
line added by the system to enclose an area being filled with a pattern, in
|
||
|
|
instances when the routines that precede the GSENDA routine fail to form an
|
||
|
|
enclosed area.</dd>
|
||
|
|
<dt id="x2191801" class="bold">
|
||
|
|
<a name="x2191801"></a>CL program</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018494">control language program</a>.</dd>
|
||
|
|
<dt id="x2017080" class="bold">
|
||
|
|
<a name="x2017080"></a>cluster</dt>
|
||
|
|
<dd>(1) A collection of complete
|
||
|
|
systems that work together to provide a single, unified computing capability.</dd>
|
||
|
|
<dd>(2) In SNA, a group of stations that consist of a controller (cluster
|
||
|
|
controller) and the workstations attached to it. Examples are local area
|
||
|
|
networks and host attached workstations.</dd>
|
||
|
|
<dt id="x2017088" class="bold">
|
||
|
|
<a name="x2017088"></a>Cluster feature</dt>
|
||
|
|
<dd>A feature that provides
|
||
|
|
four cable connections and allows up to four work stations to be attached
|
||
|
|
to a 5251 Model 12 Display Station.</dd>
|
||
|
|
<dt id="x2210189" class="bold">
|
||
|
|
<a name="x2210189"></a>cluster formation</dt>
|
||
|
|
<dd>The process whereby
|
||
|
|
the first node of a cluster to install the Cluster service attempts to gain
|
||
|
|
control of the quorum resource and forms a cluster by creating cluster recovery
|
||
|
|
databases. Windows 2000 Advanced server allows for two-node clusters
|
||
|
|
while Windows .NET Enterprise Server allows for four-node
|
||
|
|
clusters.</dd>
|
||
|
|
<dt id="x2017093" class="bold">
|
||
|
|
<a name="x2017093"></a>clustering</dt>
|
||
|
|
<dd>The ability to group independent
|
||
|
|
systems to work together as a single system.</dd>
|
||
|
|
<dt id="x2210194" class="bold">
|
||
|
|
<a name="x2210194"></a>cluster joining</dt>
|
||
|
|
<dd>The process whereby
|
||
|
|
additional nodes join an existing cluster when they can communicate with another
|
||
|
|
active clustered node and can validate the node name and version compatibility.</dd>
|
||
|
|
<dt id="x2017098" class="bold">
|
||
|
|
<a name="x2017098"></a>cluster membership list</dt>
|
||
|
|
<dd>A set of
|
||
|
|
cluster nodes that have been configured for a cluster.</dd>
|
||
|
|
<dt id="x2046021" class="bold">
|
||
|
|
<a name="x2046021"></a>cluster node</dt>
|
||
|
|
<dd>A system that is a member
|
||
|
|
of a cluster. See also <a href="rzaats.htm#x2007895">system</a>.</dd>
|
||
|
|
<dt id="x2017103" class="bold">
|
||
|
|
<a name="x2017103"></a>ClusterProven®</dt>
|
||
|
|
<dd>An IBM designation
|
||
|
|
that defines certain high-availability requirements that are applied to a
|
||
|
|
software product either by itself or in combination with other software products.
|
||
|
|
A solution that satisfies the technical criteria of these requirements can
|
||
|
|
be validated with IBM and licensed to be marketed with IBM's ClusterProven trademark.</dd>
|
||
|
|
<dt id="x2017108" class="bold">
|
||
|
|
<a name="x2017108"></a>cluster resource</dt>
|
||
|
|
<dd>Any part of the
|
||
|
|
system that is available across multiple cluster nodes. The two types of system
|
||
|
|
resources that can be resilient are the following: Objects that are kept up
|
||
|
|
to date by using replication. A resilient application and its associated IP
|
||
|
|
address, which can be switched.</dd>
|
||
|
|
<dt id="x2017113" class="bold">
|
||
|
|
<a name="x2017113"></a>cluster resource group (CRG)</dt>
|
||
|
|
<dd>A collection
|
||
|
|
of related cluster resources that defines actions to be taken during a switchover
|
||
|
|
or failover operation of the access point of resilient resources. The group
|
||
|
|
describes a recovery domain and supplies the name of the cluster resource
|
||
|
|
group exit program that manages the movement of an access point.</dd>
|
||
|
|
<dt id="x2017118" class="bold">
|
||
|
|
<a name="x2017118"></a>cluster resource group manager (CRGM)</dt>
|
||
|
|
<dd>A highly available client server application that uses the integrated
|
||
|
|
cluster resource services to configure, define, monitor, and administer a
|
||
|
|
cluster of systems.</dd>
|
||
|
|
<dt id="x2017123" class="bold">
|
||
|
|
<a name="x2017123"></a>cluster resource service</dt>
|
||
|
|
<dd>An i5/OS system service
|
||
|
|
function that supports cluster implementations.</dd>
|
||
|
|
<dt id="x2210184" class="bold">
|
||
|
|
<a name="x2210184"></a>cluster service</dt>
|
||
|
|
<dd>A Windows (TM)
|
||
|
|
service that manages the cluster specific activities and is installed on each
|
||
|
|
node of the cluster. The components of the Cluster service provide high availability,
|
||
|
|
easy management and enhanced scalability for Windows.</dd>
|
||
|
|
<dt id="x2191803" class="bold">
|
||
|
|
<a name="x2191803"></a>CL variable</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018499">control language variable</a>.</dd>
|
||
|
|
<dt id="x2017128" class="bold">
|
||
|
|
<a name="x2017128"></a>CMC</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017599">Common
|
||
|
|
Messaging Call</a>.</dd>
|
||
|
|
<dt id="x2017132" class="bold">
|
||
|
|
<a name="x2017132"></a>CMIP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017589">Common
|
||
|
|
Management Information Protocol</a>.</dd>
|
||
|
|
<dt id="x2017136" class="bold">
|
||
|
|
<a name="x2017136"></a>CMIS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017594">common
|
||
|
|
management information service</a>.</dd>
|
||
|
|
<dt id="x2017140" class="bold">
|
||
|
|
<a name="x2017140"></a>CMS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2140181">Conversational
|
||
|
|
Monitor System</a>.</dd>
|
||
|
|
<dt id="x2017144" class="bold">
|
||
|
|
<a name="x2017144"></a>CMT</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017559">committed</a>.</dd>
|
||
|
|
<dt id="x2017148" class="bold">
|
||
|
|
<a name="x2017148"></a>CO</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016353">central
|
||
|
|
office</a>.</dd>
|
||
|
|
<dt id="x2017152" class="bold">
|
||
|
|
<a name="x2017152"></a>coaxial cable</dt>
|
||
|
|
<dd>A cable consisting
|
||
|
|
of one conductor, usually a small copper wire, within and insulated from another
|
||
|
|
conductor of larger diameter, usually copper tubing or copper braid.</dd>
|
||
|
|
<dt id="x2409907" class="bold">
|
||
|
|
<a name="x2409907"></a>COBOL</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2171169">Common Business Oriented Language</a>.</dd>
|
||
|
|
<dt id="x2017157" class="bold">
|
||
|
|
<a name="x2017157"></a>COBOL character</dt>
|
||
|
|
<dd>Any of the 51 characters
|
||
|
|
of the COBOL character set.</dd>
|
||
|
|
<dt id="x2017167" class="bold">
|
||
|
|
<a name="x2017167"></a>COBOL word</dt>
|
||
|
|
<dd>In COBOL, a character
|
||
|
|
string of not more than 30 characters that forms a user-defined word, a system-name,
|
||
|
|
or a reserved word.</dd>
|
||
|
|
<dt id="x2017172" class="bold">
|
||
|
|
<a name="x2017172"></a>codec (COder-DECoder)</dt>
|
||
|
|
<dd>An electronic
|
||
|
|
circuit that converts voice or video into digital code, or that converts digital
|
||
|
|
code into voice or video.</dd>
|
||
|
|
<dt id="x2000672" class="bold">
|
||
|
|
<a name="x2000672"></a>coded character set identifier (CCSID)</dt>
|
||
|
|
<dd>A 16-bit number that includes a specific set of encoding scheme identifiers,
|
||
|
|
character set identifiers, code page identifiers, and other information that
|
||
|
|
uniquely identifies the coded graphic-character representation. See also <a href="rzaatb.htm#x2000356">binary string</a>.</dd>
|
||
|
|
<dt id="x2017177" class="bold">
|
||
|
|
<a name="x2017177"></a>coded character set identifier 65534 (CCSID 65534)</dt>
|
||
|
|
<dd>The coded character set identifier (CCSID) that is used to show
|
||
|
|
that a CCSID value for data at this level of processing is not relevant. When
|
||
|
|
CCSID 65534 (X'FFFE') is associated with data, a CCSID value for the data
|
||
|
|
should be obtained from the tagged fields of elements that are at a lower
|
||
|
|
level in the defined hierarchy. For example, a file has CCSIDs that are tagged
|
||
|
|
for each individual field it contains. If the field is tagged with CCSID 65534,
|
||
|
|
processing is based on the CCSIDs assigned to each individual field instead
|
||
|
|
of the CCSID assigned to the file.</dd>
|
||
|
|
<dt id="x2017182" class="bold">
|
||
|
|
<a name="x2017182"></a>coded character set identifier 65535 (CCSID 65535)</dt>
|
||
|
|
<dd>An identifier that is used to show that the associated data should
|
||
|
|
not be processed as coded-graphic-character data. CCSID 65535 (FFFF ) cannot
|
||
|
|
be represented in long form. Data that is associated with CCSID 65535 should
|
||
|
|
be interpreted as actual representation is unknown as defined in Character
|
||
|
|
Data Representation Architecture-Level 2, IBM Registry™. You cannot convert data that
|
||
|
|
is associated with CCSID 65535 from one CCSID to another. The coded character
|
||
|
|
set identifier (CCSID) that is used to show that data associated with the
|
||
|
|
CCSID should not be processed as coded-graphic-character data.</dd>
|
||
|
|
<dt id="x2017187" class="bold">
|
||
|
|
<a name="x2017187"></a>coded font</dt>
|
||
|
|
<dd>In AFP™ support, a font
|
||
|
|
file that associates a code page and a font character set. For double-byte
|
||
|
|
fonts, a coded font associates multiple pairs of code pages and font character
|
||
|
|
sets.</dd>
|
||
|
|
<dt id="x2017192" class="bold">
|
||
|
|
<a name="x2017192"></a>coded graphic character-set ID</dt>
|
||
|
|
<dd>A
|
||
|
|
10-digit identifier (two 5-digit identifiers separated by a space) that is
|
||
|
|
the combination of a graphic character-set ID and a code-page ID. See also <a href="rzaatc.htm#x2017213">code-page ID</a>.</dd>
|
||
|
|
<dt id="x2017197" class="bold">
|
||
|
|
<a name="x2017197"></a>code load</dt>
|
||
|
|
<dd>In System Manager, the
|
||
|
|
type of product load that contains all of the product code that does not require
|
||
|
|
translation to other languages, such as the code for displays, menus, and
|
||
|
|
messages. However, if a product is never going to be translated, the code
|
||
|
|
may contain all the product code.</dd>
|
||
|
|
<dt id="x2000677" class="bold">
|
||
|
|
<a name="x2000677"></a>code page</dt>
|
||
|
|
<dd>A particular assignment
|
||
|
|
of code points to graphic characters. Within a given code page, a code point
|
||
|
|
can have only one specific meaning. A code page also identifies how undefined
|
||
|
|
code points are handled.</dd>
|
||
|
|
<dt id="x2124428" class="bold">
|
||
|
|
<a name="x2124428"></a>code page global identifier (CPGID)</dt>
|
||
|
|
<dd>A 5-digit decimal or 2-byte binary identifier that is assigned to a code page.
|
||
|
|
The range of values is 00001 to 65534 (X'0001' to X'FFFE').</dd>
|
||
|
|
<dt id="x2017213" class="bold">
|
||
|
|
<a name="x2017213"></a>code-page ID</dt>
|
||
|
|
<dd>A 5-digit registered
|
||
|
|
identifier used to specify a particular assignment of code points to graphic
|
||
|
|
characters. The code-page ID is the second part of the QCHRID system value
|
||
|
|
or the CHRID parameter value. See also <a href="rzaatc.htm#x2017192">coded graphic
|
||
|
|
character-set ID</a>.</dd>
|
||
|
|
<dt id="x2000682" class="bold">
|
||
|
|
<a name="x2000682"></a>code point</dt>
|
||
|
|
<dd>(1) For SNA alerts, a 1-or
|
||
|
|
2-byte hexadecimal code that designates a particular piece of text to be displayed
|
||
|
|
at the focal point.</dd>
|
||
|
|
<dd>(2) A unique bit pattern that represents a character
|
||
|
|
in a code page.</dd>
|
||
|
|
<dd>(3) One of the bit patterns assigned to a character
|
||
|
|
in a character set. A code point is represented by a hexadecimal number.
|
||
|
|
For example, in code page 256 (EBCDIC), the letter "e" is assigned a code
|
||
|
|
point of hex 85.</dd>
|
||
|
|
<dd>(4) In QoS, pertaining to a specific value in the
|
||
|
|
Differentiated Services field of a data packet that signals to a network the
|
||
|
|
behavior that is assigned to that packet.</dd>
|
||
|
|
<dt id="x2189818" class="bold">
|
||
|
|
<a name="x2189818"></a>COder-DECoder</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017172">codec</a>.</dd>
|
||
|
|
<dt id="x2017237" class="bold">
|
||
|
|
<a name="x2017237"></a>coexistence</dt>
|
||
|
|
<dd>The ability of two or
|
||
|
|
more entities to function in the same system or network.</dd>
|
||
|
|
<dt id="x2017248" class="bold">
|
||
|
|
<a name="x2017248"></a>coherency check</dt>
|
||
|
|
<dd>Verification that
|
||
|
|
the current state of an object satisfies the programmer-defined invariant
|
||
|
|
properties of its class.</dd>
|
||
|
|
<dt id="x2017253" class="bold">
|
||
|
|
<a name="x2017253"></a>coherent</dt>
|
||
|
|
<dd>Pertaining to an object
|
||
|
|
in which all data values satisfy the invariant properties. If any invariant
|
||
|
|
property is not satisfied, the object is not coherent.</dd>
|
||
|
|
<dt id="x2000692" class="bold">
|
||
|
|
<a name="x2000692"></a>cold start</dt>
|
||
|
|
<dd>(1) In CICS, a method of
|
||
|
|
recovering temporary storage and transient data queues when a CICS control region
|
||
|
|
is started. Temporary storage and transient data queues are cleared with a
|
||
|
|
cold start.</dd>
|
||
|
|
<dd>(2) A process in which all noninstalled objects created
|
||
|
|
by the system, such as the internal job table, job message queues, jobs on
|
||
|
|
job queues, or spooled files on output queues, are deleted as a group and
|
||
|
|
re-created if appropriate.</dd>
|
||
|
|
<dt id="x2017269" class="bold">
|
||
|
|
<a name="x2017269"></a>collate</dt>
|
||
|
|
<dd>To combine and arrange in
|
||
|
|
order.</dd>
|
||
|
|
<dt id="x2000700" class="bold">
|
||
|
|
<a name="x2000700"></a>collating sequence</dt>
|
||
|
|
<dd>The sequence in
|
||
|
|
which the characters are ordered for the purpose of sorting, merging, comparing,
|
||
|
|
and processing indexed data sequentially.</dd>
|
||
|
|
<dt id="x2017274" class="bold">
|
||
|
|
<a name="x2017274"></a>collator</dt>
|
||
|
|
<dd>A device that combines and
|
||
|
|
arranges pages in order.</dd>
|
||
|
|
<dt id="x2000705" class="bold">
|
||
|
|
<a name="x2000705"></a>collection</dt>
|
||
|
|
<dd>(1) Data obtained by a collector
|
||
|
|
that represents the system status at a given point in time. Collections are
|
||
|
|
timestamped and stored in a management collection object.</dd>
|
||
|
|
<dd>(2) A set
|
||
|
|
of objects created by DB2 UDB for iSeries SQL that consists of, and logically
|
||
|
|
classifies, a set of objects, such as tables, views, and indexes. A DB2 UDB for iSeries SQL collection consists of a library; catalog views that contain descriptions
|
||
|
|
and information for all tables, views, indexes, files, packages, and constraints
|
||
|
|
created in the library; a journal and journal receiver that are used to record
|
||
|
|
changes on all tables created in the collection; and, optionally, a data dictionary.</dd>
|
||
|
|
<dt id="x2017288" class="bold">
|
||
|
|
<a name="x2017288"></a>Collection Services</dt>
|
||
|
|
<dd>An iSeries Navigator
|
||
|
|
tool that collects performance data independent of the iSeries Navigator
|
||
|
|
system monitors. This function is intended for subsequent analysis by performance
|
||
|
|
personnel either by writing queries against the collected data or by reviewing
|
||
|
|
reports produced by the Performance Tools for iSeries licensed program.</dd>
|
||
|
|
<dt id="x2017293" class="bold">
|
||
|
|
<a name="x2017293"></a>collector</dt>
|
||
|
|
<dd>A generic name for a program
|
||
|
|
that at regular intervals collects data about the status of the system.</dd>
|
||
|
|
<dt id="x2017298" class="bold">
|
||
|
|
<a name="x2017298"></a>collector system</dt>
|
||
|
|
<dd>For directory shadowing,
|
||
|
|
a system that receives initial or changed Enterprise Address Book (EAB) data
|
||
|
|
from a supplier system in a network. See also <a href="rzaats.htm#x2040315">supplier
|
||
|
|
system</a>.</dd>
|
||
|
|
<dt id="x2017303" class="bold">
|
||
|
|
<a name="x2017303"></a>collision</dt>
|
||
|
|
<dd>An unwanted condition that
|
||
|
|
results from concurrent transmissions on a channel, causing the transmissions
|
||
|
|
to be unintelligible.</dd>
|
||
|
|
<dt id="x2017308" class="bold">
|
||
|
|
<a name="x2017308"></a>collision detect</dt>
|
||
|
|
<dd>In Performance Tools,
|
||
|
|
a counter that counts the total number of times the terminal equipment (TE)
|
||
|
|
detected that the frames it transmitted were damaged by another TE trying
|
||
|
|
to use the same bus.</dd>
|
||
|
|
<dt id="x2017318" class="bold">
|
||
|
|
<a name="x2017318"></a>color</dt>
|
||
|
|
<dd>In computer systems, a color
|
||
|
|
is usually represented by a triplet called RGB (red, green, and blue) signals.
|
||
|
|
Most computer monitors require RGB signals to drive the 3-colored phosphors
|
||
|
|
of a color monitor.</dd>
|
||
|
|
<dt id="x2017323" class="bold">
|
||
|
|
<a name="x2017323"></a>color palette</dt>
|
||
|
|
<dd>(1) A set of colors that
|
||
|
|
can be displayed on the display at one time. This can be standard set used
|
||
|
|
for all images or a set that can be customized for each image.</dd>
|
||
|
|
<dd>(2) In Business Graphics Utility, the range of colors defined by hue, lightness,
|
||
|
|
and saturation to be used when a chart is displayed on a graphics-capable
|
||
|
|
display.</dd>
|
||
|
|
<dt id="x2017331" class="bold">
|
||
|
|
<a name="x2017331"></a>column</dt>
|
||
|
|
<dd>(1) In relational database, a
|
||
|
|
field defined for a given record.</dd>
|
||
|
|
<dd>(2) In DB2 UDB for iSeries, the vertical part of a table. A column
|
||
|
|
has a name and a particular data type (for example, character, decimal, or
|
||
|
|
integer).</dd>
|
||
|
|
<dd>(3) A character position within a print line or on a display.
|
||
|
|
The positions are numbered consecutively from 1, starting at the leftmost
|
||
|
|
character position and extending to the rightmost position.</dd>
|
||
|
|
<dt id="x2000720" class="bold">
|
||
|
|
<a name="x2000720"></a>column function</dt>
|
||
|
|
<dd>In SQL, a process
|
||
|
|
that calculates a value from a set of values and expresses it as a function
|
||
|
|
name followed by an argument enclosed in parentheses.</dd>
|
||
|
|
<dt id="x2017345" class="bold">
|
||
|
|
<a name="x2017345"></a>column separator</dt>
|
||
|
|
<dd>A symbol on each
|
||
|
|
side of a position of a field on a display. This symbol does not occupy a
|
||
|
|
position on the display.</dd>
|
||
|
|
<dt id="x2017355" class="bold">
|
||
|
|
<a name="x2017355"></a>combined alert</dt>
|
||
|
|
<dd>In the NetView® program,
|
||
|
|
an alert that includes both a nongeneric alert and a generic alert in one
|
||
|
|
network management vector transport.</dd>
|
||
|
|
<dt id="x2017360" class="bold">
|
||
|
|
<a name="x2017360"></a>combined condition</dt>
|
||
|
|
<dd>In COBOL, a condition
|
||
|
|
that is the result of connecting two or more conditions with the AND or the
|
||
|
|
OR logical operator.</dd>
|
||
|
|
<dt id="x2017365" class="bold">
|
||
|
|
<a name="x2017365"></a>combined file</dt>
|
||
|
|
<dd>In RPG, a data file
|
||
|
|
that is used as both an input file and an output file. The fields are not
|
||
|
|
necessarily the same in the input and output records.</dd>
|
||
|
|
<dt id="x2017370" class="bold">
|
||
|
|
<a name="x2017370"></a>combined function IOP (CFIOP)</dt>
|
||
|
|
<dd>A type
|
||
|
|
of IOP that can connect to a variety of different input/output adapters to
|
||
|
|
support disk units, a console, and communications hardware. It contains some
|
||
|
|
multifunction IOP (MFIOP) capabilities as well as Ethernet and token-ring
|
||
|
|
controllers. This processor does not contain server processor functions. See
|
||
|
|
also <a href="rzaatm.htm#x2030754">multifunction IOP</a>.</dd>
|
||
|
|
<dt id="x2017375" class="bold">
|
||
|
|
<a name="x2017375"></a>combined station</dt>
|
||
|
|
<dd>In high-level data
|
||
|
|
link control (HDLC), the part of a data station that supports the combined
|
||
|
|
control functions of the data link, generates commands and responses for transmission,
|
||
|
|
and interprets received commands and responses.</dd>
|
||
|
|
<dt id="x2017380" class="bold">
|
||
|
|
<a name="x2017380"></a>comma</dt>
|
||
|
|
<dd>In REXX, a token that represents
|
||
|
|
the continuation character, a separator of arguments in an argument list,
|
||
|
|
or a separator in a parsing template.</dd>
|
||
|
|
<dt id="x2000733" class="bold">
|
||
|
|
<a name="x2000733"></a>command</dt>
|
||
|
|
<dd>(1) In SNA, any field set in
|
||
|
|
the transmission header (TH), request header (RH), or request unit (RU) that
|
||
|
|
states an action or that starts a protocol.</dd>
|
||
|
|
<dd>(2) In SDLC, a frame transmitted
|
||
|
|
by a primary station. Asynchronous balanced mode stations send both commands
|
||
|
|
and responses. See also <a href="rzaatr.htm#x2037024">response</a>.</dd>
|
||
|
|
<dd>(3) A
|
||
|
|
statement used to initiate an action or start a service. A command consists
|
||
|
|
of the command name abbreviation, and its parameters and flags if applicable.</dd>
|
||
|
|
<dt id="x2017403" class="bold">
|
||
|
|
<a name="x2017403"></a>command attention key (CA key)</dt>
|
||
|
|
<dd>In
|
||
|
|
DDS, a keyboard key that can be specified with the CA keyword to request the
|
||
|
|
function specified by the keyword. Data is not returned to the system. See
|
||
|
|
also <a href="rzaatc.htm#x2017434">command function key</a>.</dd>
|
||
|
|
<dt id="x2017408" class="bold">
|
||
|
|
<a name="x2017408"></a>command control block (CCB)</dt>
|
||
|
|
<dd>In the IBM Token-Ring
|
||
|
|
Network, a specifically formatted block of information provided from the application
|
||
|
|
program to the adapter support software to request an operation.</dd>
|
||
|
|
<dt id="x2017413" class="bold">
|
||
|
|
<a name="x2017413"></a>command definition</dt>
|
||
|
|
<dd>An object that
|
||
|
|
contains the definition of a command (including the command name, parameter
|
||
|
|
descriptions, and validity-checking information) and identifies the program
|
||
|
|
that performs the function requested by the command. The system-recognized
|
||
|
|
identifier for the object type is *CMD.</dd>
|
||
|
|
<dt id="x2017418" class="bold">
|
||
|
|
<a name="x2017418"></a>command definition statement</dt>
|
||
|
|
<dd>A source
|
||
|
|
statement that defines keywords and parameter values, qualified names, elements
|
||
|
|
in a list, parameter requirements and interrelationships, and prompt text
|
||
|
|
for a command. Command definition statements are used to create a CL command.</dd>
|
||
|
|
<dt id="x2017423" class="bold">
|
||
|
|
<a name="x2017423"></a>command file</dt>
|
||
|
|
<dd>(1) In RJE, a remote job
|
||
|
|
input stream that can contain host system commands and job control language
|
||
|
|
(JCL), data, and RJE control statements (READFILE or EOF). See also <a href="rzaatd.htm#x2019382">data file</a>.</dd>
|
||
|
|
<dd>(2) In PC operating systems, a file with a file name
|
||
|
|
extension of .CMD that functions like a batch file in DOS.</dd>
|
||
|
|
<dt id="x2017434" class="bold">
|
||
|
|
<a name="x2017434"></a>command function key (CF key)</dt>
|
||
|
|
<dd>In
|
||
|
|
DDS, a keyboard key that can be specified with the CF keyword to request the
|
||
|
|
function specified by the keyword. Data is returned to the system. See also <a href="rzaatc.htm#x2017403">command attention key</a>.</dd>
|
||
|
|
<dt id="x2017439" class="bold">
|
||
|
|
<a name="x2017439"></a>command key indicator</dt>
|
||
|
|
<dd>In RPG, an
|
||
|
|
indicator defined to correspond with the function keys to tell the program
|
||
|
|
when one of the function keys is pressed.</dd>
|
||
|
|
<dt id="x2017444" class="bold">
|
||
|
|
<a name="x2017444"></a>command length</dt>
|
||
|
|
<dd>In query management,
|
||
|
|
one of the arguments passed to the language-specific interface programs that
|
||
|
|
specifies the length of the query command to be run.</dd>
|
||
|
|
<dt id="x2017449" class="bold">
|
||
|
|
<a name="x2017449"></a>command level</dt>
|
||
|
|
<dd>Pertaining to an operation
|
||
|
|
that is performed for a specific command in a program. For example, a Monitor
|
||
|
|
Message (MONMSG) command that immediately follows a specific command in a
|
||
|
|
CL program is a command-level MONMSG command. See also <a href="rzaatp.htm#x2035053">program level</a>.</dd>
|
||
|
|
<dt id="x2017454" class="bold">
|
||
|
|
<a name="x2017454"></a>command line</dt>
|
||
|
|
<dd>The blank line on a
|
||
|
|
display where commands, option numbers, or selections can be entered.</dd>
|
||
|
|
<dt id="x2017459" class="bold">
|
||
|
|
<a name="x2017459"></a>command name</dt>
|
||
|
|
<dd>The first term in a
|
||
|
|
command, a verb that specifies the action to be performed, usually followed
|
||
|
|
by operands.</dd>
|
||
|
|
<dt id="x2017464" class="bold">
|
||
|
|
<a name="x2017464"></a>command processing program (CPP)</dt>
|
||
|
|
<dd>A program that processes a command. This program performs some validity checking
|
||
|
|
and processes the command so that the requested function is performed.</dd>
|
||
|
|
<dt id="x2017469" class="bold">
|
||
|
|
<a name="x2017469"></a>command prompt</dt>
|
||
|
|
<dd>A displayed character
|
||
|
|
(or string of characters) that indicates that a user may enter a command to
|
||
|
|
be processed.</dd>
|
||
|
|
<dt id="x2017474" class="bold">
|
||
|
|
<a name="x2017474"></a>command string</dt>
|
||
|
|
<dd>In query management,
|
||
|
|
a character string that contains a query command.</dd>
|
||
|
|
<dt id="x2403104" class="bold">
|
||
|
|
<a name="x2403104"></a>COMMAREA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2198261">communication area</a>.</dd>
|
||
|
|
<dt id="x2017484" class="bold">
|
||
|
|
<a name="x2017484"></a>comment</dt>
|
||
|
|
<dd>Source program information
|
||
|
|
that is not translated by the compiler.</dd>
|
||
|
|
<dt id="x2017498" class="bold">
|
||
|
|
<a name="x2017498"></a>comment-entry</dt>
|
||
|
|
<dd>In COBOL, an entry
|
||
|
|
in the Identification Division of the source program that may be any combination
|
||
|
|
of characters from the character set of the computer. The comment-entry is
|
||
|
|
written in area B on one or more lines. Comment-entries serve only as documentation
|
||
|
|
and are not translated by the compiler.</dd>
|
||
|
|
<dt id="x2017503" class="bold">
|
||
|
|
<a name="x2017503"></a>comment line</dt>
|
||
|
|
<dd>In COBOL, a source program
|
||
|
|
line represented by an asterisk (*) in the indicator area of the line and
|
||
|
|
any characters from the computer's character set in area A and area B of that
|
||
|
|
line. The comment line serves only for documentation in a program.</dd>
|
||
|
|
<dt id="x2017508" class="bold">
|
||
|
|
<a name="x2017508"></a>commercial processing workload (CPW)</dt>
|
||
|
|
<dd>An application that is run on iSeries models and processors to determine
|
||
|
|
processor performance. The CPW workload is representative of commercial applications,
|
||
|
|
particularly those that do significant database processing in conjunction
|
||
|
|
with journaling and commitment control. CPW replaces the term RAMP-C.</dd>
|
||
|
|
<dt id="x2000758" class="bold">
|
||
|
|
<a name="x2000758"></a>commit</dt>
|
||
|
|
<dd>To end a unit of work by releasing
|
||
|
|
locks so that the database changes made by that unit of work can be perceived
|
||
|
|
by other processes. This operation makes the data changes permanent. See also <a href="rzaata.htm#x2014415">atomic</a>.</dd>
|
||
|
|
<dt id="x2017516" class="bold">
|
||
|
|
<a name="x2017516"></a>commit cycle</dt>
|
||
|
|
<dd>The sequence of changes
|
||
|
|
made between commitment boundaries.</dd>
|
||
|
|
<dt id="x2017521" class="bold">
|
||
|
|
<a name="x2017521"></a>commit cycle identifier</dt>
|
||
|
|
<dd>The journal
|
||
|
|
sequence number associated with the start commitment operation that is used
|
||
|
|
to identify the journal entries in a particular commit cycle.</dd>
|
||
|
|
<dt id="x2017526" class="bold">
|
||
|
|
<a name="x2017526"></a>commit identifier</dt>
|
||
|
|
<dd>The information
|
||
|
|
that associates the commit operation with a specific set of committable resource
|
||
|
|
changes. The commit ID is placed in the notify object if a system or routing
|
||
|
|
step failure occurs, or if uncommitted changes exist when a routing step ends
|
||
|
|
normally. The commit ID contains information (supplied on the commit statement)
|
||
|
|
about the last successful transaction (group of changes that appear as a single
|
||
|
|
change); for example, the transfer of funds from savings to a checking account.</dd>
|
||
|
|
<dt id="x2017531" class="bold">
|
||
|
|
<a name="x2017531"></a>commit in progress (CIP)</dt>
|
||
|
|
<dd>The commit
|
||
|
|
in progress logical unit of work (LUW) state indicates that all the resources
|
||
|
|
associated with this logical unit of work have been prepared after a unanimous
|
||
|
|
vote to commit. The protected resource managers are in the process of committing.</dd>
|
||
|
|
<dt id="x2017536" class="bold">
|
||
|
|
<a name="x2017536"></a>commitment boundary</dt>
|
||
|
|
<dd>In a commitment
|
||
|
|
controlled environment, any time there are no outstanding changes for a committable
|
||
|
|
resource existing within a job.</dd>
|
||
|
|
<dt id="x2000763" class="bold">
|
||
|
|
<a name="x2000763"></a>commitment control</dt>
|
||
|
|
<dd>A means of grouping
|
||
|
|
committable resource operations to allow either the processing of a group
|
||
|
|
of committable resource changes as a single unit through the Commit command,
|
||
|
|
or the removing of a group of committable resource changes as a single unit
|
||
|
|
through the Rollback command.</dd>
|
||
|
|
<dt id="x2017544" class="bold">
|
||
|
|
<a name="x2017544"></a>commitment definition</dt>
|
||
|
|
<dd>Information
|
||
|
|
used by the system to maintain the commitment control environment throughout
|
||
|
|
a routing step and, in the case of a system failure, throughout an IPL (initial
|
||
|
|
program load). This information is obtained from the Start Commitment Control
|
||
|
|
(STRCMTCTL) command, which establishes the commitment control environment,
|
||
|
|
and the file open information in a routing step. The commitment definition
|
||
|
|
has a scope either to the job or to a particular activation group within the
|
||
|
|
job.</dd>
|
||
|
|
<dt id="x2000768" class="bold">
|
||
|
|
<a name="x2000768"></a>commit point</dt>
|
||
|
|
<dd>A point in time when
|
||
|
|
data is considered to be consistent. See also <a href="rzaatc.htm#x2000768">commit
|
||
|
|
point</a>, <a href="rzaatr.htm#x2011363">roll back</a>.</dd>
|
||
|
|
<dt id="x2017549" class="bold">
|
||
|
|
<a name="x2017549"></a>committable resource</dt>
|
||
|
|
<dd>A local or remote i5/OS object that can be placed under commitment control.</dd>
|
||
|
|
<dt id="x2017554" class="bold">
|
||
|
|
<a name="x2017554"></a>committable update</dt>
|
||
|
|
<dd>An operation that
|
||
|
|
results in a change to an object such that the object is under commitment
|
||
|
|
control.</dd>
|
||
|
|
<dt id="x2017559" class="bold">
|
||
|
|
<a name="x2017559"></a>committed (CMT)</dt>
|
||
|
|
<dd>The committed logical
|
||
|
|
unit of work (LUW) state indicates that the current LUW is committed. All
|
||
|
|
agents have committed and returned a reply to this node.</dd>
|
||
|
|
<dt id="x2171169" class="bold">
|
||
|
|
<a name="x2171169"></a>Common Business Oriented Language (COBOL)</dt>
|
||
|
|
<dd>A high-level programming language, based on English, that is used primarily
|
||
|
|
for commercial data processing.</dd>
|
||
|
|
<dt id="x2017564" class="bold">
|
||
|
|
<a name="x2017564"></a>common carrier</dt>
|
||
|
|
<dd>In data communications,
|
||
|
|
any government-regulated company that provides communications services to
|
||
|
|
the general public. Examples are: the government-regulated telephone and telegraph
|
||
|
|
companies in the United States, the General Post Office in the United Kingdom,
|
||
|
|
the Bundespost in Germany, and Nippon Telephone and Telegraph Public Corporation
|
||
|
|
in Japan.</dd>
|
||
|
|
<dt id="x2017569" class="bold">
|
||
|
|
<a name="x2017569"></a>Common Communications Support (CCS)</dt>
|
||
|
|
<dd>The Systems Application Architecture® (SAA®) component that
|
||
|
|
defines architectures and protocols that interconnect systems and devices
|
||
|
|
in an SAA environment and allow data to be interchanged among them.</dd>
|
||
|
|
<dt id="x2017574" class="bold">
|
||
|
|
<a name="x2017574"></a>Common Cryptographic Architecture (CCA)</dt>
|
||
|
|
<dd>IBM software that enables a consistent approach to cryptography on major IBM computing
|
||
|
|
platforms. It supports application software that is written in a variety of
|
||
|
|
programming languages. Application software can call on CCA services to perform
|
||
|
|
a broad range of cryptographic functions, including DES and RSA encryption.</dd>
|
||
|
|
<dt id="x2051465" class="bold">
|
||
|
|
<a name="x2051465"></a>Common Gateway Interface (CGI)</dt>
|
||
|
|
<dd>An
|
||
|
|
Internet standard for defining scripts that pass information from a Web server
|
||
|
|
to an application program, through an HTTP request, and vice versa. A CGI
|
||
|
|
script is a CGI program that is written in a scripting language, such as
|
||
|
|
Perl.</dd>
|
||
|
|
<dt id="x2153398" class="bold">
|
||
|
|
<a name="x2153398"></a>Common Information Model (CIM)</dt>
|
||
|
|
<dd>An
|
||
|
|
implementation-neutral, object-oriented schema for describing network management
|
||
|
|
information. The Distributed Management Task Force (DMTF) develops and maintains
|
||
|
|
CIM specifications.</dd>
|
||
|
|
<dt id="x2017584" class="bold">
|
||
|
|
<a name="x2017584"></a>common key</dt>
|
||
|
|
<dd>In COBOL, the key fields
|
||
|
|
that are common to all record formats in the file starting with the first
|
||
|
|
key field (the most significant) and ending with the last key field (the least
|
||
|
|
significant).</dd>
|
||
|
|
<dt id="x2017589" class="bold">
|
||
|
|
<a name="x2017589"></a>Common Management Information Protocol (CMIP)</dt>
|
||
|
|
<dd>In OSI, the management protocol (ISO 9596-2) that supports the
|
||
|
|
common management information service.</dd>
|
||
|
|
<dt id="x2017594" class="bold">
|
||
|
|
<a name="x2017594"></a>common management information service (CMIS)</dt>
|
||
|
|
<dd>In OSI, the set of services defined by ISO 9595. The common management
|
||
|
|
information service is used by agent processes and managing processes to communicate.</dd>
|
||
|
|
<dt id="x2017599" class="bold">
|
||
|
|
<a name="x2017599"></a>Common Messaging Call (CMC)</dt>
|
||
|
|
<dd>An application
|
||
|
|
programming interface (API) defined by the X.400 API Association.</dd>
|
||
|
|
<dt id="x2017604" class="bold">
|
||
|
|
<a name="x2017604"></a>Common Object Request Broker Architecture (CORBA)</dt>
|
||
|
|
<dd>An architecture and a specification for distributed object-oriented
|
||
|
|
computing that separates client and server programs with a formal interface
|
||
|
|
definition.</dd>
|
||
|
|
<dt id="x2017609" class="bold">
|
||
|
|
<a name="x2017609"></a>common program</dt>
|
||
|
|
<dd>In COBOL, a program
|
||
|
|
that, despite being directly contained within another program, can be called
|
||
|
|
from any program directly or indirectly contained in that other program.</dd>
|
||
|
|
<dt id="x2017617" class="bold">
|
||
|
|
<a name="x2017617"></a>Common Programming Interface (CPI)</dt>
|
||
|
|
<dd>In the Systems Application Architecture (SAA) solution, a
|
||
|
|
set of software interfaces, conventions, languages, and protocols that provide
|
||
|
|
a framework for writing applications with cross-system consistency.</dd>
|
||
|
|
<dt id="x2051508" class="bold">
|
||
|
|
<a name="x2051508"></a>Common Programming Interface for Communications
|
||
|
|
(CPI-C)</dt>
|
||
|
|
<dd>A call-level interface that provides a consistent application
|
||
|
|
programming interface for applications that use program-to-program communications.
|
||
|
|
The interface uses LU 6.2 architecture to create a set of interprogram services
|
||
|
|
that can establish and end a conversation, send and receive data, exchange
|
||
|
|
control information, and notify a partner program of errors.</dd>
|
||
|
|
<dt id="x2017622" class="bold">
|
||
|
|
<a name="x2017622"></a>Common User Access® (CUA®)</dt>
|
||
|
|
<dd>A Systems Application Architecture (SAA) specification that gives a series of guidelines describing the way
|
||
|
|
information should be displayed on a screen, and the interaction techniques
|
||
|
|
between users and computers.</dd>
|
||
|
|
<dt id="x2232901" class="bold">
|
||
|
|
<a name="x2232901"></a>common user ID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017631">common user identification</a>.</dd>
|
||
|
|
<dt id="x2017631" class="bold">
|
||
|
|
<a name="x2017631"></a>common user identification (common user ID)</dt>
|
||
|
|
<dd>In iSeries Access, the user identification of an iSeries Access user
|
||
|
|
that is used by the router when establishing a communications connection with
|
||
|
|
a host system if a user ID is not specified in either the CONFIG.PCS file
|
||
|
|
or in an alternative configuration file. The router uses this common user
|
||
|
|
ID when connecting the personal computer to each additional host system. See
|
||
|
|
also <a href="rzaatu.htm#x2042841">user identification</a>.</dd>
|
||
|
|
<dt id="x2017636" class="bold">
|
||
|
|
<a name="x2017636"></a>common work area (CWA)</dt>
|
||
|
|
<dd>A work area
|
||
|
|
that can be accessed by any transaction in the CICS system.</dd>
|
||
|
|
<dt id="x2124649" class="bold">
|
||
|
|
<a name="x2124649"></a>communication adapter</dt>
|
||
|
|
<dd>A device which
|
||
|
|
allows network communication.</dd>
|
||
|
|
<dt id="x2198261" class="bold">
|
||
|
|
<a name="x2198261"></a>communication area (COMMAREA)</dt>
|
||
|
|
<dd>A CICS area that is used to pass data between tasks that communicate with a
|
||
|
|
given terminal. The area can also be used to pass data between programs within
|
||
|
|
a task.</dd>
|
||
|
|
<dt id="x2017641" class="bold">
|
||
|
|
<a name="x2017641"></a>communication port</dt>
|
||
|
|
<dd>(1) On a personal
|
||
|
|
computer, a serial port to which a stand-alone modem can be attached.</dd>
|
||
|
|
<dd>(2) An access point for data entry or exit to or from a communication device
|
||
|
|
such as a workstation.</dd>
|
||
|
|
<dt id="x2017654" class="bold">
|
||
|
|
<a name="x2017654"></a>communications area</dt>
|
||
|
|
<dd>In query management,
|
||
|
|
a control block used to communicate between the system code supporting the
|
||
|
|
Common Programming Interface (CPI) and the application program using the CPI.</dd>
|
||
|
|
<dt id="x2017659" class="bold">
|
||
|
|
<a name="x2017659"></a>communications configuration</dt>
|
||
|
|
<dd>The
|
||
|
|
physical placement of communications controllers, the attachment of communications
|
||
|
|
lines, and so forth; and the configuration descriptions that describe the
|
||
|
|
physical configuration to the system and describe how the configuration will
|
||
|
|
be used by the system.</dd>
|
||
|
|
<dt id="x2017664" class="bold">
|
||
|
|
<a name="x2017664"></a>communications controller</dt>
|
||
|
|
<dd>The I/O
|
||
|
|
processor card in the card enclosure.</dd>
|
||
|
|
<dt id="x2017669" class="bold">
|
||
|
|
<a name="x2017669"></a>communications data format</dt>
|
||
|
|
<dd>In RJE,
|
||
|
|
the output data received from the host system is left the same as it was received
|
||
|
|
(either compressed, or data cut off at the end, or both).</dd>
|
||
|
|
<dt id="x2017679" class="bold">
|
||
|
|
<a name="x2017679"></a>communications job</dt>
|
||
|
|
<dd>A batch job that
|
||
|
|
is started by a program start request from a remote system.</dd>
|
||
|
|
<dt id="x2017684" class="bold">
|
||
|
|
<a name="x2017684"></a>communications line</dt>
|
||
|
|
<dd>The physical
|
||
|
|
link (such as a wire or a telephone circuit) that connects one or more work
|
||
|
|
stations to a communications controller, or connects one controller to another.
|
||
|
|
See also <a href="rzaatd.htm#x2019510">data link protocol</a>.</dd>
|
||
|
|
<dt id="x2017694" class="bold">
|
||
|
|
<a name="x2017694"></a>communications security</dt>
|
||
|
|
<dd>A system
|
||
|
|
option that requires the identity of a remote location to be verified before
|
||
|
|
that location can run programs on your system.</dd>
|
||
|
|
<dt id="x2017699" class="bold">
|
||
|
|
<a name="x2017699"></a>communications side information</dt>
|
||
|
|
<dd>In CPI Communications, an object that contains initialization parameters,
|
||
|
|
such as the name of the partner program with which a program can establish
|
||
|
|
a conversation and the name of the logical unit (LU) at the partner program's
|
||
|
|
node, which CPI Communications requires to establish a conversation. The system-recognized
|
||
|
|
identifier for the object type is *CSI.</dd>
|
||
|
|
<dt id="x2017708" class="bold">
|
||
|
|
<a name="x2017708"></a>communications type</dt>
|
||
|
|
<dd>A method for
|
||
|
|
application programs to communicate on a local system, or between a local
|
||
|
|
system and a remote system using the intersystem communications function (ICF).
|
||
|
|
Examples of these communications methods include (a) asynchronous communications,
|
||
|
|
(b) binary synchronous communications (BSC), (c) intrasystem communications,
|
||
|
|
or (d) Systems Network Architecture (SNA), such as advanced program-to-program
|
||
|
|
communications (APPC) and SNA upline facility (SNUF).</dd>
|
||
|
|
<dt id="x2017713" class="bold">
|
||
|
|
<a name="x2017713"></a>Communications Utilities</dt>
|
||
|
|
<dd>The IBM licensed
|
||
|
|
program that contains the VM/MVS bridge and the remote job entry function.
|
||
|
|
Communications Utilities provides a method of exchanging mail or files and
|
||
|
|
submitting or receiving jobs between connected systems.</dd>
|
||
|
|
<dt id="x2017718" class="bold">
|
||
|
|
<a name="x2017718"></a>community</dt>
|
||
|
|
<dd>The relationship between
|
||
|
|
a Simple Network Management Protocol (SNMP) agent and one or more SNMP managers.
|
||
|
|
The community describes which SNMP manager requests the SNMP agent should
|
||
|
|
honor.</dd>
|
||
|
|
<dt id="x2017723" class="bold">
|
||
|
|
<a name="x2017723"></a>commutative</dt>
|
||
|
|
<dd>Combining mathematical
|
||
|
|
elements or having elements that combine in a way that the result is independent
|
||
|
|
of the order in which they are processed. For example, such that a + b = b
|
||
|
|
+ a and a x b = b x a.</dd>
|
||
|
|
<dt id="x2017728" class="bold">
|
||
|
|
<a name="x2017728"></a>compact</dt>
|
||
|
|
<dd>To replace repetitive bits
|
||
|
|
in a file or folder with control bits so that the file or folder takes up
|
||
|
|
less space when saved.</dd>
|
||
|
|
<dt id="x2017733" class="bold">
|
||
|
|
<a name="x2017733"></a>compact disc (CD)</dt>
|
||
|
|
<dd>An optically read
|
||
|
|
disc, typically storing approximately 660 MB.</dd>
|
||
|
|
<dt id="x2016261" class="bold">
|
||
|
|
<a name="x2016261"></a>compact-disc read-only memory (CD-ROM)</dt>
|
||
|
|
<dd>High-capacity read-only memory in the form of an optically read compact
|
||
|
|
disc.</dd>
|
||
|
|
<dt id="x2017738" class="bold">
|
||
|
|
<a name="x2017738"></a>compact disc - recordable (CD-R)</dt>
|
||
|
|
<dd>A device that can write data to compact disc recordable (CD-R) discs. A CD-R
|
||
|
|
then can be read like CD-ROM media.</dd>
|
||
|
|
<dt id="x2017743" class="bold">
|
||
|
|
<a name="x2017743"></a>compaction</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017932">compression</a>.</dd>
|
||
|
|
<dt id="x2000803" class="bold">
|
||
|
|
<a name="x2000803"></a>comparison operator</dt>
|
||
|
|
<dd>(1) In REXX, an operator
|
||
|
|
that compares two terms and returns the value 1 if the result of the comparison
|
||
|
|
is true, or 0 if it is not true.</dd>
|
||
|
|
<dd>(2) In SQL, a symbol (such as =, <,
|
||
|
|
>, ) used in comparison expressions to specify a relationship between two
|
||
|
|
values.</dd>
|
||
|
|
<dt id="x2017754" class="bold">
|
||
|
|
<a name="x2017754"></a>compatibility</dt>
|
||
|
|
<dd>Ability to work in
|
||
|
|
the system or ability to work with other devices or programs.</dd>
|
||
|
|
<dt id="x2017759" class="bold">
|
||
|
|
<a name="x2017759"></a>compatible</dt>
|
||
|
|
<dd>Pertaining to the ability
|
||
|
|
of a device or program to work with another device or program.</dd>
|
||
|
|
<dt id="x2017769" class="bold">
|
||
|
|
<a name="x2017769"></a>compilation</dt>
|
||
|
|
<dd>Translation of a source
|
||
|
|
program (such as RPG or COBOL specifications) into a program in machine language.
|
||
|
|
In Integrated Language Environment® (ILE) languages, compilation
|
||
|
|
translates source statements into modules, which then can be bound into programs
|
||
|
|
or service programs.</dd>
|
||
|
|
<dt id="x2017774" class="bold">
|
||
|
|
<a name="x2017774"></a>compilation unit</dt>
|
||
|
|
<dd>A portion of a computer
|
||
|
|
program sufficiently complete to be compiled correctly.</dd>
|
||
|
|
<dt id="x2017779" class="bold">
|
||
|
|
<a name="x2017779"></a>compile</dt>
|
||
|
|
<dd>(1) To translate all or part
|
||
|
|
of a program expressed in a high-level language into a computer program expressed
|
||
|
|
in an intermediate language, an assembly language, or a machine language.</dd>
|
||
|
|
<dd>(2) In Integrated Language Environment (ILE) languages, to translate
|
||
|
|
source statements into modules that then can be bound into programs or service
|
||
|
|
programs.</dd>
|
||
|
|
<dt id="x2017787" class="bold">
|
||
|
|
<a name="x2017787"></a>compiled program</dt>
|
||
|
|
<dd>In the original
|
||
|
|
program model (OPM), the set of machine-language instructions that is the
|
||
|
|
output from the compilation of a source program. The actual processing of
|
||
|
|
data is done by the machine-language program. The system-recognized identifier
|
||
|
|
for the object type is *PGM.</dd>
|
||
|
|
<dt id="x2017792" class="bold">
|
||
|
|
<a name="x2017792"></a>compiler</dt>
|
||
|
|
<dd>A program that translates
|
||
|
|
a source program into an executable program (an object program).</dd>
|
||
|
|
<dt id="x2017800" class="bold">
|
||
|
|
<a name="x2017800"></a>compiler-directing statement</dt>
|
||
|
|
<dd>(1) A statement
|
||
|
|
that controls what the compiler does rather than what the compiled program
|
||
|
|
does.</dd>
|
||
|
|
<dd>(2) In RPG, an instruction that controls a compilation listing
|
||
|
|
or causes records to be inserted. The four compiler directives are /TITLE,
|
||
|
|
/EJECT, /SPACE, and /COPY.</dd>
|
||
|
|
<dd>(3) In COBOL, a statement, beginning with
|
||
|
|
a compiler-directing verb, that causes the compiler to take a specific action
|
||
|
|
during compilation. The compiler-directing statements are the COPY, ENTER,
|
||
|
|
REPLACE, and USE statements.</dd>
|
||
|
|
<dt id="x2017811" class="bold">
|
||
|
|
<a name="x2017811"></a>compiler listing</dt>
|
||
|
|
<dd>A printout that
|
||
|
|
is produced by compiling a program or creating a file and that optionally
|
||
|
|
includes, for example, a line-by-line list of the high-level language source,
|
||
|
|
a cross-reference list, diagnostic information; and for programs, the description
|
||
|
|
of the externally described files.</dd>
|
||
|
|
<dt id="x2017816" class="bold">
|
||
|
|
<a name="x2017816"></a>compile time</dt>
|
||
|
|
<dd>The time period during
|
||
|
|
which a computer program is being compiled into an executable program.</dd>
|
||
|
|
<dt id="x2017821" class="bold">
|
||
|
|
<a name="x2017821"></a>compile-time array</dt>
|
||
|
|
<dd>In RPG, an array
|
||
|
|
that is compiled with the source program and becomes a permanent part of the
|
||
|
|
program. See also <a href="rzaatp.htm#x2034337">preruntime array</a>, <a href="rzaatr.htm#x2037556">runtime array</a>.</dd>
|
||
|
|
<dt id="x2017826" class="bold">
|
||
|
|
<a name="x2017826"></a>compile-time table</dt>
|
||
|
|
<dd>In RPG, a table
|
||
|
|
that is built into the source program and that becomes a permanent part of
|
||
|
|
the compiled program. See also <a href="rzaatr.htm#x2037576">runtime table</a>.</dd>
|
||
|
|
<dt id="x2017831" class="bold">
|
||
|
|
<a name="x2017831"></a>complement</dt>
|
||
|
|
<dd>(1) The value that can be
|
||
|
|
added to the number to equal a given value.</dd>
|
||
|
|
<dd>(2) In Cryptographic Support,
|
||
|
|
a binary value that, in an exclusive-OR operation with a given binary value
|
||
|
|
of the same length, produces a binary value of all ones.</dd>
|
||
|
|
<dt id="x2017841" class="bold">
|
||
|
|
<a name="x2017841"></a>completion code</dt>
|
||
|
|
<dd>A return code indicating
|
||
|
|
how a message queue interface (MQI) call has ended.</dd>
|
||
|
|
<dt id="x2017846" class="bold">
|
||
|
|
<a name="x2017846"></a>completion message</dt>
|
||
|
|
<dd>A message that
|
||
|
|
tells the operator when work is successfully ended.</dd>
|
||
|
|
<dt id="x2017851" class="bold">
|
||
|
|
<a name="x2017851"></a>complex condition</dt>
|
||
|
|
<dd>In COBOL, a condition
|
||
|
|
in which one or more logical operators (AND, OR or NOT) act on one or more
|
||
|
|
conditions. Complex conditions include negated simple conditions, combined
|
||
|
|
conditions, and negated combined conditions. See also <a href="rzaats.htm#x2038910">simple condition</a>.</dd>
|
||
|
|
<dt id="x2017856" class="bold">
|
||
|
|
<a name="x2017856"></a>complex instruction set computer (CISC)</dt>
|
||
|
|
<dd>A computer that uses the traditional processor architecture to process
|
||
|
|
instructions. See also <a href="rzaatr.htm#x2036206">reduced instruction set computer</a>.</dd>
|
||
|
|
<dt id="x2017861" class="bold">
|
||
|
|
<a name="x2017861"></a>complex number</dt>
|
||
|
|
<dd>A number consisting
|
||
|
|
of an ordered pair of real numbers, expressible in the form a+bi, where a
|
||
|
|
and b are real numbers and i squared equals minus one. A complex number is
|
||
|
|
made up of two parts: a real part and an imaginary part, where a is the value
|
||
|
|
of the real part and b is the value of the imaginary part and where i is
|
||
|
|
the square root of -1.</dd>
|
||
|
|
<dt id="x2017866" class="bold">
|
||
|
|
<a name="x2017866"></a>compliance type</dt>
|
||
|
|
<dd>In i5/OS licensed management,
|
||
|
|
the value that determines the action the product must take when the authorized
|
||
|
|
usage limit is reached or exceeded. The warning compliance type indicates
|
||
|
|
users are never denied access to a product. The operation action compliance
|
||
|
|
type means that new users are denied access to the product once the usage
|
||
|
|
limit is reached, but users that are currently using the product still have
|
||
|
|
access.</dd>
|
||
|
|
<dt id="x2017871" class="bold">
|
||
|
|
<a name="x2017871"></a>component</dt>
|
||
|
|
<dd>In VisualAge® RPG, a
|
||
|
|
functional grouping of classes and related files within a product.</dd>
|
||
|
|
<dt id="x2017876" class="bold">
|
||
|
|
<a name="x2017876"></a>composite bar chart</dt>
|
||
|
|
<dd>In the GDDM function, a
|
||
|
|
bar chart in which multiple vertical axis values for the same horizontal axis
|
||
|
|
value are stacked one on top of another. See also <a href="rzaatf.htm#x2023155">floating
|
||
|
|
bar chart</a>, <a href="rzaatm.htm#x2030797">multiple bar chart</a>.</dd>
|
||
|
|
<dt id="x2017881" class="bold">
|
||
|
|
<a name="x2017881"></a>composite bar graph</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, a bar graph in which multiple vertical axis values for the same horizontal
|
||
|
|
axis value are stacked one on top of another. See also <a href="rzaatf.htm#x2023160">floating bar graph</a>.</dd>
|
||
|
|
<dt id="x2000818" class="bold">
|
||
|
|
<a name="x2000818"></a>composite key</dt>
|
||
|
|
<dd>(1) An ordered set of key
|
||
|
|
columns of the same table.</dd>
|
||
|
|
<dd>(2) A key for a file or record format that
|
||
|
|
is composed of more than one key field.</dd>
|
||
|
|
<dt id="x2017892" class="bold">
|
||
|
|
<a name="x2017892"></a>composite part</dt>
|
||
|
|
<dd>In VisualAge RPG, a
|
||
|
|
collection of controls selected by the user on the GUI designer tool suite
|
||
|
|
and then placed in the parts palette.</dd>
|
||
|
|
<dt id="x2017897" class="bold">
|
||
|
|
<a name="x2017897"></a>composite project</dt>
|
||
|
|
<dd>A container holding
|
||
|
|
projects or composite projects, or both. Composite projects are used to organize
|
||
|
|
the projects associated with the software application.</dd>
|
||
|
|
<dt id="x2017902" class="bold">
|
||
|
|
<a name="x2017902"></a>compound condition</dt>
|
||
|
|
<dd>In COBOL, a statement
|
||
|
|
that tests two or more relational expressions. The result can be true or false.</dd>
|
||
|
|
<dt id="x2017907" class="bold">
|
||
|
|
<a name="x2017907"></a>compound symbol</dt>
|
||
|
|
<dd>In REXX, a symbol
|
||
|
|
that permits the substitution of variables within its name, when referred
|
||
|
|
to. A compound symbol contains at least one period and at least two other
|
||
|
|
characters. It cannot start with a digit or a period, and if there is only
|
||
|
|
one period in the compound symbol, it cannot be the last character. The compound
|
||
|
|
symbol begins with a stem (that part of the symbol up to and including the
|
||
|
|
first period). The stem is followed by the tail (the parts of the name, delimited
|
||
|
|
by periods, that are constant symbols, simple symbols, or null). Compound
|
||
|
|
symbols allow the construction of arrays, associative tables, lists, and so
|
||
|
|
on.</dd>
|
||
|
|
<dt id="x2017912" class="bold">
|
||
|
|
<a name="x2017912"></a>compound variable</dt>
|
||
|
|
<dd>In REXX, a symbol
|
||
|
|
that contains at least one period, one character before the period, and one
|
||
|
|
character after the period. A compound variable cannot start with a digit
|
||
|
|
or period.</dd>
|
||
|
|
<dt id="x2017917" class="bold">
|
||
|
|
<a name="x2017917"></a>compress</dt>
|
||
|
|
<dd>To reduce the size of a
|
||
|
|
set of data, such as a file, in order to save space or transmission time.</dd>
|
||
|
|
<dt id="x2017922" class="bold">
|
||
|
|
<a name="x2017922"></a>compressed listing</dt>
|
||
|
|
<dd>In CoOperative
|
||
|
|
Development Environment/400, a graphical representation of the listing of
|
||
|
|
the program currently being debugged. See also <a href="rzaatc.htm#x2017927">compressed
|
||
|
|
source</a>.</dd>
|
||
|
|
<dt id="x2017927" class="bold">
|
||
|
|
<a name="x2017927"></a>compressed source</dt>
|
||
|
|
<dd>In CoOperative
|
||
|
|
Development Environment/400, a graphical representation of the source of the
|
||
|
|
program currently being debugged. See also <a href="rzaatc.htm#x2017922">compressed
|
||
|
|
listing</a>.</dd>
|
||
|
|
<dt id="x2017932" class="bold">
|
||
|
|
<a name="x2017932"></a>compression</dt>
|
||
|
|
<dd>A function that removes
|
||
|
|
repetitive characters, spaces, or strings of characters from the data being
|
||
|
|
processed and replaces the repetitive characters with control characters.
|
||
|
|
Compression reduces the amount of storage space required for the data.</dd>
|
||
|
|
<dt id="x2017942" class="bold">
|
||
|
|
<a name="x2017942"></a>computer graphics</dt>
|
||
|
|
<dd>The use of a computer
|
||
|
|
to produce visual representations of data, such as charts and multi-dimensional
|
||
|
|
drawings by means of dots, lines, and curves.</dd>
|
||
|
|
<dt id="x2081790" class="bold">
|
||
|
|
<a name="x2081790"></a>computer instruction</dt>
|
||
|
|
<dd>An instruction
|
||
|
|
that can be recognized by the processing unit of the computer for which it
|
||
|
|
is designed. See also <a href="rzaatm.htm#x2029483">machine language</a>.</dd>
|
||
|
|
<dt id="x2017947" class="bold">
|
||
|
|
<a name="x2017947"></a>computerized branch exchange (CBX)</dt>
|
||
|
|
<dd>An exchange in which a central node acts as a high-speed switch to establish
|
||
|
|
direct connections between pairs of attached nodes.</dd>
|
||
|
|
<dt id="x2096539" class="bold">
|
||
|
|
<a name="x2096539"></a>computer language</dt>
|
||
|
|
<dd>A language that
|
||
|
|
can be used directly by a computer without intermediate processing. The final
|
||
|
|
output of the compilation process is a load module containing computer language
|
||
|
|
instructions. See also <a href="rzaatc.htm#x2081790">computer instruction</a>.</dd>
|
||
|
|
<dt id="x2017952" class="bold">
|
||
|
|
<a name="x2017952"></a>computer-name</dt>
|
||
|
|
<dd>In COBOL, a system-name
|
||
|
|
that identifies the computer on which the program is to be compiled or run.</dd>
|
||
|
|
<dt id="x2017957" class="bold">
|
||
|
|
<a name="x2017957"></a>concatenate</dt>
|
||
|
|
<dd>(1) To link together.</dd>
|
||
|
|
<dd>(2) To join two character strings.</dd>
|
||
|
|
<dt id="x2017965" class="bold">
|
||
|
|
<a name="x2017965"></a>concatenated field</dt>
|
||
|
|
<dd>Two or more fields
|
||
|
|
that are combined to make one field in a logical file.</dd>
|
||
|
|
<dt id="x2017970" class="bold">
|
||
|
|
<a name="x2017970"></a>concatenation operator</dt>
|
||
|
|
<dd>(1) In REXX, an
|
||
|
|
operator used to combine two strings into one by adding the second string
|
||
|
|
to the right end of the first string. The concatenation operators for REXX
|
||
|
|
are a double vertical bar (which concatenates without a blank) and the blank
|
||
|
|
(which concatenates with a blank).</dd>
|
||
|
|
<dd>(2) The symbol used to join two
|
||
|
|
character data items. In CL, for example, the concatenation operator is two
|
||
|
|
vertical bars (||).</dd>
|
||
|
|
<dt id="x2000833" class="bold">
|
||
|
|
<a name="x2000833"></a>concurrency</dt>
|
||
|
|
<dd>The shared use of resources
|
||
|
|
by multiple interactive users or application processes at the same time.</dd>
|
||
|
|
<dt id="x2017988" class="bold">
|
||
|
|
<a name="x2017988"></a>concurrent</dt>
|
||
|
|
<dd>Pertaining to the shared
|
||
|
|
use of resources by multiple interactive users or application programs at
|
||
|
|
the same time.</dd>
|
||
|
|
<dt id="x2017993" class="bold">
|
||
|
|
<a name="x2017993"></a>concurrent connection limit</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the maximum number of concurrent connections allowed for a given OSI Communications
|
||
|
|
Subsystem node.</dd>
|
||
|
|
<dt id="x2017998" class="bold">
|
||
|
|
<a name="x2017998"></a>concurrent maintenance</dt>
|
||
|
|
<dd>Service that
|
||
|
|
is performed on a hardware unit while it is operational.</dd>
|
||
|
|
<dt id="x2018003" class="bold">
|
||
|
|
<a name="x2018003"></a>condition</dt>
|
||
|
|
<dd>(1) In REXX, a specific event,
|
||
|
|
or state, that can be trapped by the REXX CALL ON or SIGNAL ON instruction.</dd>
|
||
|
|
<dd>(2) A relational expression that can be evaluated to a value of either
|
||
|
|
true or false.</dd>
|
||
|
|
<dd>(3) In the Integrated Language Environment (ILE) model, a system-independent representation of an error condition
|
||
|
|
within a high-level language (HLL). For an i5/OS program, each ILE condition has a corresponding
|
||
|
|
exception message.</dd>
|
||
|
|
<dt id="x2018017" class="bold">
|
||
|
|
<a name="x2018017"></a>conditional expression</dt>
|
||
|
|
<dd>(1) In COBOL,
|
||
|
|
a simple condition or a complex condition specified in an IF, a PERFORM, or
|
||
|
|
a SEARCH statement.</dd>
|
||
|
|
<dd>(2) A statement that compares the relationship
|
||
|
|
(such as greater than or equal) of two items.</dd>
|
||
|
|
<dt id="x2018025" class="bold">
|
||
|
|
<a name="x2018025"></a>conditional external reference</dt>
|
||
|
|
<dd>An
|
||
|
|
external reference that causes automatic linking to be performed.</dd>
|
||
|
|
<dt id="x2018030" class="bold">
|
||
|
|
<a name="x2018030"></a>conditional force</dt>
|
||
|
|
<dd>A function that
|
||
|
|
replaces the specified control field character before the record is sorted
|
||
|
|
only if the control field in the input record contains a particular entry.</dd>
|
||
|
|
<dt id="x2018035" class="bold">
|
||
|
|
<a name="x2018035"></a>conditional loop</dt>
|
||
|
|
<dd>In REXX, a loop
|
||
|
|
that allows a set of instructions to be repeated either WHILE or UNTIL a specified
|
||
|
|
condition is met.</dd>
|
||
|
|
<dt id="x2018040" class="bold">
|
||
|
|
<a name="x2018040"></a>conditional phrase</dt>
|
||
|
|
<dd>(1) In COBOL, a phrase
|
||
|
|
that specifies the action to be taken on the determination of the truth value
|
||
|
|
of a condition resulting from the running of a conditional statement.</dd>
|
||
|
|
<dd>(2) In REXX, a phrase in a DO instruction, introduced by the subkeyword
|
||
|
|
WHILE or UNTIL, that is used to change the iteration of a repetitive DO loop.</dd>
|
||
|
|
<dt id="x2018048" class="bold">
|
||
|
|
<a name="x2018048"></a>conditional prompting</dt>
|
||
|
|
<dd>Pertaining
|
||
|
|
to prompting that is provided by the system depending on the values selected
|
||
|
|
by the user for other parameters. See also <a href="rzaats.htm#x2038122">selective
|
||
|
|
prompting</a>.</dd>
|
||
|
|
<dt id="x2018053" class="bold">
|
||
|
|
<a name="x2018053"></a>conditional statement</dt>
|
||
|
|
<dd>In COBOL, a
|
||
|
|
statement that controls program flow based on the result of the evaluation
|
||
|
|
of a condition.</dd>
|
||
|
|
<dt id="x2018058" class="bold">
|
||
|
|
<a name="x2018058"></a>conditional variable</dt>
|
||
|
|
<dd>In COBOL, a
|
||
|
|
data item, one or more values of which has a condition-name assigned to it.</dd>
|
||
|
|
<dt id="x2018063" class="bold">
|
||
|
|
<a name="x2018063"></a>conditioning</dt>
|
||
|
|
<dd>The use of indicators
|
||
|
|
in a program to control when calculations or output operations are done, or
|
||
|
|
in a file, the use of indicators or condition names to control when certain
|
||
|
|
functions or operations are done.</dd>
|
||
|
|
<dt id="x2018068" class="bold">
|
||
|
|
<a name="x2018068"></a>conditioning indicator</dt>
|
||
|
|
<dd>In RPG, an
|
||
|
|
indicator used to specify when to do calculations or which characteristics
|
||
|
|
apply to a record format or field.</dd>
|
||
|
|
<dt id="x2018073" class="bold">
|
||
|
|
<a name="x2018073"></a>condition name</dt>
|
||
|
|
<dd>(1) For display files,
|
||
|
|
a name used to control the selection of DDS keywords and display locations
|
||
|
|
based on the model of the display station.</dd>
|
||
|
|
<dd>(2) The name assigned to
|
||
|
|
a status of a user-defined switch.</dd>
|
||
|
|
<dd>(3) In COBOL, a name assigned to
|
||
|
|
a specific value, set of values, or range of values within the complete set
|
||
|
|
of values that a conditional variable can have.</dd>
|
||
|
|
<dt id="x2018084" class="bold">
|
||
|
|
<a name="x2018084"></a>condition-name condition</dt>
|
||
|
|
<dd>In COBOL,
|
||
|
|
a statement that the value of a conditional variable is one of a set (or range)
|
||
|
|
of values assigned to a condition name associated with the conditional variable.</dd>
|
||
|
|
<dt id="x2018089" class="bold">
|
||
|
|
<a name="x2018089"></a>condition token</dt>
|
||
|
|
<dd>A 12-byte data structure,
|
||
|
|
which is consistent across multiple Systems Application Architecture (SAA) participating systems, that allows the application programmer to
|
||
|
|
associate the condition with the underlying exception message.</dd>
|
||
|
|
<dt id="x2018094" class="bold">
|
||
|
|
<a name="x2018094"></a>condition trap</dt>
|
||
|
|
<dd>In REXX, the method
|
||
|
|
by which the explicit flow of processing in a REXX program can be changed.
|
||
|
|
Condition traps are enabled or disabled using the ON or OFF subkeywords of
|
||
|
|
the CALL and SIGNAL instructions.</dd>
|
||
|
|
<dt id="x2018099" class="bold">
|
||
|
|
<a name="x2018099"></a>condition variable</dt>
|
||
|
|
<dd>A variable that
|
||
|
|
acts as a flag that allows a thread to wait for some event to occur. The condition
|
||
|
|
variable is used with a boolean predicate to indicate the presence or absence
|
||
|
|
of the event and a mutex that protects both the predicate and the resources
|
||
|
|
associated with the event. The condition variable has no ownership associated
|
||
|
|
with it.</dd>
|
||
|
|
<dt id="x2018107" class="bold">
|
||
|
|
<a name="x2018107"></a>conduit</dt>
|
||
|
|
<dd>A pipe for protecting electric
|
||
|
|
wires or cables.</dd>
|
||
|
|
<dt id="x2018112" class="bold">
|
||
|
|
<a name="x2018112"></a>confidentiality</dt>
|
||
|
|
<dd>In computer security,
|
||
|
|
assurance that sensitive information is not visible to an eavesdropper.</dd>
|
||
|
|
<dt id="x2018127" class="bold">
|
||
|
|
<a name="x2018127"></a>configuration</dt>
|
||
|
|
<dd>(1) See <a href="rzaatt.htm#x2041706">topology</a>.</dd>
|
||
|
|
<dd>(2) The manner in which the hardware and software of
|
||
|
|
a system, subsystem, or network are organized and interconnected.</dd>
|
||
|
|
<dt id="x2018135" class="bold">
|
||
|
|
<a name="x2018135"></a>configuration file</dt>
|
||
|
|
<dd>(1) In performance,
|
||
|
|
a file that contains information about a collection as well as certain system
|
||
|
|
attributes.</dd>
|
||
|
|
<dd>(2) A file that specifies the characteristics of a program,
|
||
|
|
system device, server or network.</dd>
|
||
|
|
<dt id="x2018146" class="bold">
|
||
|
|
<a name="x2018146"></a>configuration list</dt>
|
||
|
|
<dd>A list of local
|
||
|
|
or remote locations, network addresses, or pass-through device descriptions
|
||
|
|
used by some types of communications descriptions. The system-recognized identifier
|
||
|
|
for the object type is *CFGL.</dd>
|
||
|
|
<dt id="x2018151" class="bold">
|
||
|
|
<a name="x2018151"></a>configuration management</dt>
|
||
|
|
<dd>The control
|
||
|
|
of information necessary to identify both physical and logical information
|
||
|
|
system resources and their relationship to one another.</dd>
|
||
|
|
<dt id="x2018156" class="bold">
|
||
|
|
<a name="x2018156"></a>configuration report server (CRS)</dt>
|
||
|
|
<dd>A function that resides on each ring in an environment of multiple token-ring
|
||
|
|
networks in which configuration is being monitored. This function receives
|
||
|
|
notifications about inserting and removing stations and notifications about
|
||
|
|
active monitor failures.</dd>
|
||
|
|
<dt id="x2018161" class="bold">
|
||
|
|
<a name="x2018161"></a>Configuration Section</dt>
|
||
|
|
<dd>In COBOL, a
|
||
|
|
section of the Environment Division of a program, which describes the overall
|
||
|
|
specifications of the source and object computers.</dd>
|
||
|
|
<dt id="x2018166" class="bold">
|
||
|
|
<a name="x2018166"></a>configure</dt>
|
||
|
|
<dd>(1) To describe the interconnected
|
||
|
|
arrangement of the devices, programs, communications, and optional features
|
||
|
|
installed on a system.</dd>
|
||
|
|
<dd>(2) To describe setting up auxiliary storage
|
||
|
|
pools and checksum protection.</dd>
|
||
|
|
<dt id="x2018174" class="bold">
|
||
|
|
<a name="x2018174"></a>confirm</dt>
|
||
|
|
<dd>In OSI, a service primitive
|
||
|
|
issued by a service provider to complete the procedures associated with a
|
||
|
|
confirmed service.</dd>
|
||
|
|
<dt id="x2018179" class="bold">
|
||
|
|
<a name="x2018179"></a>confirmation of delivery</dt>
|
||
|
|
<dd>The automatic
|
||
|
|
notification to the sender of a message, note, or document as to when action
|
||
|
|
is taken on the message, note, or document. Confirmation of delivery must
|
||
|
|
be requested by the sender.</dd>
|
||
|
|
<dt id="x2018184" class="bold">
|
||
|
|
<a name="x2018184"></a>confirmed service</dt>
|
||
|
|
<dd>In OSI, a service
|
||
|
|
that indicates to the sender whether or not data or control information was
|
||
|
|
properly received. A confirmed service involves a request, indication, response,
|
||
|
|
and confirm service primitive. See also <a href="rzaatu.htm#x2042449">unconfirmed
|
||
|
|
service</a>.</dd>
|
||
|
|
<dt id="x2018189" class="bold">
|
||
|
|
<a name="x2018189"></a>conform</dt>
|
||
|
|
<dd>To adhere to a prevailing
|
||
|
|
standard.</dd>
|
||
|
|
<dt id="x2018199" class="bold">
|
||
|
|
<a name="x2018199"></a>confounder</dt>
|
||
|
|
<dd>A bit string that is used
|
||
|
|
to initialize the encryption-block chaining value so that the encrypted result
|
||
|
|
is different each time a data value is encrypted.</dd>
|
||
|
|
<dt id="x2000863" class="bold">
|
||
|
|
<a name="x2000863"></a>connection</dt>
|
||
|
|
<dd>(1) In TCP/IP, the path between
|
||
|
|
two protocol applications that provides reliable data stream delivery service.
|
||
|
|
In Internet communications, a connection extends from a TCP application on
|
||
|
|
one system to a TCP application on another system.</dd>
|
||
|
|
<dd>(2) A combination
|
||
|
|
of two endpoints that the virtual private network (VPN) protects and a security
|
||
|
|
policy. Such a connection can exist between any combination of a host and
|
||
|
|
a gateway.</dd>
|
||
|
|
<dd>(3) In Open Systems Interconnection architecture, an association
|
||
|
|
established by a given layer between two or more entities of the next higher
|
||
|
|
layer for the purpose of data transfer.</dd>
|
||
|
|
<dd>(4) In a telephone call, a
|
||
|
|
logical association between a party and a switch. A call consists of two or
|
||
|
|
more connections.</dd>
|
||
|
|
<dt id="x2000874" class="bold">
|
||
|
|
<a name="x2000874"></a>connection handle</dt>
|
||
|
|
<dd>The identifier
|
||
|
|
or token by which a program accesses the queue manager to which it is connected.</dd>
|
||
|
|
<dt id="x2018219" class="bold">
|
||
|
|
<a name="x2018219"></a>connectionless-mode network protocol (CLNP)</dt>
|
||
|
|
<dd>The OSI protocol defined by ISO 8473. This protocol is used to provide
|
||
|
|
the connectionless-mode network service (CLNS).</dd>
|
||
|
|
<dt id="x2018224" class="bold">
|
||
|
|
<a name="x2018224"></a>connectionless-mode network service (CLNS)</dt>
|
||
|
|
<dd>In OSI, an unacknowledged network service that enables an entity to
|
||
|
|
send a unit of data from a source service access point to one or more destination
|
||
|
|
service access points without establishing a connection. The OSI protocol
|
||
|
|
that provides this service in the Network Layer is defined by ISO 8473 (internet
|
||
|
|
protocol, or IP).</dd>
|
||
|
|
<dt id="x2018229" class="bold">
|
||
|
|
<a name="x2018229"></a>connectionless protocol</dt>
|
||
|
|
<dd>In DCE Remote
|
||
|
|
Procedure Call, a transport protocol, such as UDP, that does not require a
|
||
|
|
connection to be established prior to data transfer.</dd>
|
||
|
|
<dt id="x2047901" class="bold">
|
||
|
|
<a name="x2047901"></a>connectionless service</dt>
|
||
|
|
<dd>See <a href="rzaatu.htm#x2042407">unacknowledged service</a>. See also <a href="rzaata.htm#x2012914">acknowledged service</a>.</dd>
|
||
|
|
<dt id="x2018234" class="bold">
|
||
|
|
<a name="x2018234"></a>connection list</dt>
|
||
|
|
<dd>A communications
|
||
|
|
object for ISDN that provides a list of information used to determine when
|
||
|
|
to accept incoming calls and what information to send with outgoing calls.
|
||
|
|
The system-recognized identifier for the object type is *CNNL.</dd>
|
||
|
|
<dt id="x2018239" class="bold">
|
||
|
|
<a name="x2018239"></a>connection modem</dt>
|
||
|
|
<dd>In Operations Console,
|
||
|
|
a driver (cwbopaoc.inf file) that allows a console to connect to the server.</dd>
|
||
|
|
<dt id="x2018244" class="bold">
|
||
|
|
<a name="x2018244"></a>connection-mode network service</dt>
|
||
|
|
<dd>(1) In OSI, an acknowledged network service that enables an entity to send a unit
|
||
|
|
of data from a source service access point to a destination service access
|
||
|
|
point by establishing, maintaining, and disconnecting a connection. The OSI
|
||
|
|
protocol that provides this service in the network layer is defined by the
|
||
|
|
X.25 Packet-Level Protocol defined by CCITT 1980 and 1984.</dd>
|
||
|
|
<dd>(2) See <a href="rzaatc.htm#x2018254">connection-oriented network service</a>.</dd>
|
||
|
|
<dt id="x2018249" class="bold">
|
||
|
|
<a name="x2018249"></a>connection network</dt>
|
||
|
|
<dd>A switched network
|
||
|
|
(such as a local area network, X.25, or public-switched dial network) that
|
||
|
|
allows a local node to establish APPN connections to more than one undefined
|
||
|
|
adjacent node.</dd>
|
||
|
|
<dt id="x2018254" class="bold">
|
||
|
|
<a name="x2018254"></a>connection-oriented network service (CONS)</dt>
|
||
|
|
<dd>A type of networked data communication in which a dedicated connection
|
||
|
|
between two peer entities is established before data is transferred. A connection-oriented
|
||
|
|
service consists of three phases: establishment, data transfer, and release.
|
||
|
|
The two networks exchange address information only while the connection is
|
||
|
|
being established.</dd>
|
||
|
|
<dt id="x2018264" class="bold">
|
||
|
|
<a name="x2018264"></a>connection profile</dt>
|
||
|
|
<dd>A set of data
|
||
|
|
that is used to establish a connection.</dd>
|
||
|
|
<dt id="x2018269" class="bold">
|
||
|
|
<a name="x2018269"></a>connection script</dt>
|
||
|
|
<dd>Data, such as sign-on
|
||
|
|
and password information, that is exchanged between the host and remote systems
|
||
|
|
when a connection is established.</dd>
|
||
|
|
<dt id="x2018274" class="bold">
|
||
|
|
<a name="x2018274"></a>connective</dt>
|
||
|
|
<dd>In COBOL, a word or a
|
||
|
|
punctuation character that associates a data name, paragraph name, condition
|
||
|
|
name, or text name with its qualifier; links two or more values in a series;
|
||
|
|
or forms a conditional expression.</dd>
|
||
|
|
<dt id="x2018279" class="bold">
|
||
|
|
<a name="x2018279"></a>connector</dt>
|
||
|
|
<dd>In a query management command,
|
||
|
|
the TO word in the EXPORT command, the FROM word in the IMPORT command, or
|
||
|
|
the AS word in the SAVE DATA command.</dd>
|
||
|
|
<dt id="x2018284" class="bold">
|
||
|
|
<a name="x2018284"></a>CONS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018254">connection-oriented
|
||
|
|
network service</a>.</dd>
|
||
|
|
<dt id="x2018288" class="bold">
|
||
|
|
<a name="x2018288"></a>consecutive processing</dt>
|
||
|
|
<dd>A method of
|
||
|
|
processing in which the records in the file are read, written to, or deleted
|
||
|
|
in the order in which they exist in a file. See also <a href="rzaatr.htm#x2035786">random processing</a>, <a href="rzaats.htm#x2038260">sequential processing</a>.</dd>
|
||
|
|
<dt id="x2018293" class="bold">
|
||
|
|
<a name="x2018293"></a>console</dt>
|
||
|
|
<dd>(1) In COBOL, a function name
|
||
|
|
associated with the operator's display station.</dd>
|
||
|
|
<dd>(2) In a Windows operating
|
||
|
|
system environment, any interface with a server.</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 iSeries server activates in a partition. The
|
||
|
|
console is always available for use.</dd>
|
||
|
|
<dt id="x2018304" class="bold">
|
||
|
|
<a name="x2018304"></a>CONS path</dt>
|
||
|
|
<dd>In OSI, a path that indicates
|
||
|
|
both quality-of-service values through a network QOS mode and values to indicate
|
||
|
|
how splitting and multiplexing is to be accomplished. A CONS path can optionally
|
||
|
|
be reserved for outbound communications to a specific DTE at an adjacent node.</dd>
|
||
|
|
<dt id="x2018309" class="bold">
|
||
|
|
<a name="x2018309"></a>CONS path set</dt>
|
||
|
|
<dd>In OSI, a path set
|
||
|
|
used when the connection-mode network service is used.</dd>
|
||
|
|
<dt id="x2000899" class="bold">
|
||
|
|
<a name="x2000899"></a>constant</dt>
|
||
|
|
<dd>(1) Data that has an unchanging,
|
||
|
|
predefined value to be used in processing. See also <a href="rzaatv.htm#x2005661">variable</a>.</dd>
|
||
|
|
<dd>(2) A language element that specifies an unchanging
|
||
|
|
value. Constants are classified as string constants or numeric constants.
|
||
|
|
See also <a href="rzaatv.htm#x2005661">variable</a>.</dd>
|
||
|
|
<dd>(3) In RPG, data that
|
||
|
|
has an unchanging, predefined value to be used in processing. A constant does
|
||
|
|
not change during the running of a program, but the contents of a field or
|
||
|
|
variable can.</dd>
|
||
|
|
<dt id="x2018323" class="bold">
|
||
|
|
<a name="x2018323"></a>constant field</dt>
|
||
|
|
<dd>In an externally described
|
||
|
|
display or printer file, an unnamed field that contains actual data that is
|
||
|
|
passed to the display or printer but is unknown to the program passing it.</dd>
|
||
|
|
<dt id="x2018328" class="bold">
|
||
|
|
<a name="x2018328"></a>constant symbol</dt>
|
||
|
|
<dd>In REXX, a symbol
|
||
|
|
that starts with a digit (0-9) or a period. The value of a constant symbol
|
||
|
|
cannot be changed.</dd>
|
||
|
|
<dt id="x2000904" class="bold">
|
||
|
|
<a name="x2000904"></a>constraint</dt>
|
||
|
|
<dd>A restriction or limitation
|
||
|
|
placed on a file.</dd>
|
||
|
|
<dt id="x2046901" class="bold">
|
||
|
|
<a name="x2046901"></a>constraint cycle</dt>
|
||
|
|
<dd>A sequence of constraint
|
||
|
|
relationships in which a descendent of a parent file becomes the parent to
|
||
|
|
the original parent file.</dd>
|
||
|
|
<dt id="x2010901" class="bold">
|
||
|
|
<a name="x2010901"></a>container</dt>
|
||
|
|
<dd>(1) In CoOperative Development
|
||
|
|
Environment/400, a system object that contains and organizes source files.
|
||
|
|
An i5/OS library or an MVS-partitioned data set are examples of a container.</dd>
|
||
|
|
<dd>(2) In Backup Recovery and Media Services, the physical object used
|
||
|
|
to store and move media such as a box, a case, or a rack.</dd>
|
||
|
|
<dt id="x2018352" class="bold">
|
||
|
|
<a name="x2018352"></a>container class</dt>
|
||
|
|
<dd>In Backup Recovery
|
||
|
|
and Media Services, an object that defines the types of physical containers
|
||
|
|
that are used to store and transport removable media. Container classes are
|
||
|
|
distinguished by attributes such as capacity and media class.</dd>
|
||
|
|
<dt id="x2018357" class="bold">
|
||
|
|
<a name="x2018357"></a>container management</dt>
|
||
|
|
<dd>In Backup Recovery
|
||
|
|
and Media Services, a function that assigns container classes and tracks containers
|
||
|
|
by storage location for retention, reuse, and recovery.</dd>
|
||
|
|
<dt id="x2018362" class="bold">
|
||
|
|
<a name="x2018362"></a>contention state</dt>
|
||
|
|
<dd>In data communications,
|
||
|
|
a type of half-duplex line or data link control in which either user may transmit
|
||
|
|
any time the line or link is available. If both users attempt to transmit
|
||
|
|
at the same time, the protocols or the hardware determines who goes first.</dd>
|
||
|
|
<dt id="x2018367" class="bold">
|
||
|
|
<a name="x2018367"></a>contents view</dt>
|
||
|
|
<dd>A view of an object
|
||
|
|
that shows the contents of the object in list form. Container views are provided
|
||
|
|
for containers, and for any object that has container behavior, for example,
|
||
|
|
a device object such as a printer. Icons view and details view are examples
|
||
|
|
of contents views.</dd>
|
||
|
|
<dt id="x2018372" class="bold">
|
||
|
|
<a name="x2018372"></a>context</dt>
|
||
|
|
<dd>Information about the originator
|
||
|
|
of a message that is held in fields in the message descriptor. There are two
|
||
|
|
categories of context information: identity context and origin context. Context
|
||
|
|
is also known as message context.</dd>
|
||
|
|
<dt id="x2018387" class="bold">
|
||
|
|
<a name="x2018387"></a>contiguous item</dt>
|
||
|
|
<dd>In COBOL, an elementary
|
||
|
|
or group item that is adjacent to another elementary or group item in the
|
||
|
|
Data Division, contained in the same data hierarchy.</dd>
|
||
|
|
<dt id="x2018392" class="bold">
|
||
|
|
<a name="x2018392"></a>continuation character</dt>
|
||
|
|
<dd>(1) In REXX, a
|
||
|
|
character represented by a comma that lets a clause be extended to more than
|
||
|
|
one line. This character is functionally replaced by a blank and cannot be
|
||
|
|
used in the middle of a string or comment.</dd>
|
||
|
|
<dd>(2) A character represented
|
||
|
|
by a plus sign (+) that lets a command be extended to more than one line.</dd>
|
||
|
|
<dt id="x2018400" class="bold">
|
||
|
|
<a name="x2018400"></a>continuation handle</dt>
|
||
|
|
<dd>A value, which
|
||
|
|
is passed between a high-level language program and a list application programming
|
||
|
|
interface (API), used to mark the last value put in the user space.</dd>
|
||
|
|
<dt id="x2018405" class="bold">
|
||
|
|
<a name="x2018405"></a>continuation line</dt>
|
||
|
|
<dd>(1) An additional line
|
||
|
|
(or lines) required to continue the coding of a CL command or a DDS keyword
|
||
|
|
and its value.</dd>
|
||
|
|
<dd>(2) In RLU, a report line or sample line that is part
|
||
|
|
of a record format or a group of sample lines excluding the first line in
|
||
|
|
the record format or group of sample lines.</dd>
|
||
|
|
<dd>(3) A line of a source
|
||
|
|
statement where characters are entered when the source statement cannot be
|
||
|
|
contained on the previous line or lines.</dd>
|
||
|
|
<dd>(4) In RPG, additional lines
|
||
|
|
specified on the file description specifications to provide more information
|
||
|
|
about the file being defined.</dd>
|
||
|
|
<dt id="x2018424" class="bold">
|
||
|
|
<a name="x2018424"></a>continued-entry field</dt>
|
||
|
|
<dd>In DDS, a panel
|
||
|
|
element that contains a field that contains a set of associated entry fields.</dd>
|
||
|
|
<dt id="x2018429" class="bold">
|
||
|
|
<a name="x2018429"></a>continuously powered main storage (CPM)</dt>
|
||
|
|
<dd>The function of supplying power only to main storage (cards) for a varied
|
||
|
|
amount of time (for example, one day) when utility power is lost on servers
|
||
|
|
that have a system power control network (SPCN).</dd>
|
||
|
|
<dt id="x2018434" class="bold">
|
||
|
|
<a name="x2018434"></a>control</dt>
|
||
|
|
<dd>In WebSphere® MQ and VisualAge RPG, the result of selecting a part from the parts palette
|
||
|
|
and placing it on the design window. An example of a control is an entry field.</dd>
|
||
|
|
<dt id="x2007930" class="bold">
|
||
|
|
<a name="x2007930"></a>control block</dt>
|
||
|
|
<dd>A storage area used
|
||
|
|
by a program to hold control information.</dd>
|
||
|
|
<dt id="x2018447" class="bold">
|
||
|
|
<a name="x2018447"></a>control boundary</dt>
|
||
|
|
<dd>A call stack entry
|
||
|
|
used as the point to which control is transferred when an unmonitored error
|
||
|
|
occurs or a high-level language termination verb is used. A control boundary
|
||
|
|
can be either of the following: a) any Integrated Language Environment (ILE) call stack entry for which the immediately preceding call stack
|
||
|
|
entry is in a different activation group, or b) any ILE call stack entry for
|
||
|
|
which the immediately preceding call stack entry is an original program model
|
||
|
|
(OPM) program.</dd>
|
||
|
|
<dt id="x2018452" class="bold">
|
||
|
|
<a name="x2018452"></a>control break</dt>
|
||
|
|
<dd>In RPG, a change in
|
||
|
|
the contents of a control field that indicates all records from a particular
|
||
|
|
control group were read and a new control group is starting.</dd>
|
||
|
|
<dt id="x2018457" class="bold">
|
||
|
|
<a name="x2018457"></a>control character (cc)</dt>
|
||
|
|
<dd>A character
|
||
|
|
whose occurrence in a particular context initiates, modifies, or stops a control
|
||
|
|
function. A control character starts, changes, or stops any operation that
|
||
|
|
affects recording, processing, transmitting, or interpreting data. Examples
|
||
|
|
are line-feed, shift-in, and shift-out, and, in printing, carriage return,
|
||
|
|
font change, and end of transmission. See also <a href="rzaatg.htm#x2002164">graphic
|
||
|
|
character</a>.</dd>
|
||
|
|
<dt id="x2018465" class="bold">
|
||
|
|
<a name="x2018465"></a>control field</dt>
|
||
|
|
<dd>(1) In RPG, one or more
|
||
|
|
fields that are compared from record to record to determine when the information
|
||
|
|
in the fields changes. When the information changes, the control level indicator
|
||
|
|
(L1 through L9) assigned to a control field is set on.</dd>
|
||
|
|
<dd>(2) In Application
|
||
|
|
Development ToolSet, one or more specified fields that are compared to determine
|
||
|
|
the record sequence in the output file.</dd>
|
||
|
|
<dd>(3) In AFP Utilities, an
|
||
|
|
input field on the screen view that is used to move the image area up, down,
|
||
|
|
left, or right.</dd>
|
||
|
|
<dd>(4) In data communications, a field within a frame
|
||
|
|
that contains the commands, responses, sequence numbers, and poll or final
|
||
|
|
bit for data link control.</dd>
|
||
|
|
<dt id="x2246907" class="bold">
|
||
|
|
<a name="x2246907"></a>control function</dt>
|
||
|
|
<dd>In TELNET, the standard
|
||
|
|
representation for interconnection functions. The i5/OS implementation of these functions includes
|
||
|
|
IP, AO, AYT, and SYNCH.</dd>
|
||
|
|
<dt id="x2018484" class="bold">
|
||
|
|
<a name="x2018484"></a>control group</dt>
|
||
|
|
<dd>In Backup Recovery
|
||
|
|
and Media Services, a group of libraries, special values, special operations,
|
||
|
|
and lists that share common characteristics and are processed together due
|
||
|
|
to their similar process cycles. The control groups used are backup control
|
||
|
|
groups and archive control groups.</dd>
|
||
|
|
<dt id="x2018489" class="bold">
|
||
|
|
<a name="x2018489"></a>control language (CL)</dt>
|
||
|
|
<dd>The set of
|
||
|
|
all commands with which a user requests system functions.</dd>
|
||
|
|
<dt id="x2018494" class="bold">
|
||
|
|
<a name="x2018494"></a>control language program (CL program)</dt>
|
||
|
|
<dd>A program that is created from source statements consisting entirely
|
||
|
|
of control language commands.</dd>
|
||
|
|
<dt id="x2018499" class="bold">
|
||
|
|
<a name="x2018499"></a>control language variable (CL variable)</dt>
|
||
|
|
<dd>A program variable that is declared in a control language program and
|
||
|
|
is available only to the CL program.</dd>
|
||
|
|
<dt id="x2018504" class="bold">
|
||
|
|
<a name="x2018504"></a>controlled load service</dt>
|
||
|
|
<dd>In QoS, a
|
||
|
|
level of service that supports the class of applications that are highly sensitive
|
||
|
|
to overloaded networks. This service emulates a lightly loaded network in
|
||
|
|
congested environments. For example, audio and videoconferencing would work
|
||
|
|
well using controlled load service.</dd>
|
||
|
|
<dt id="x2018509" class="bold">
|
||
|
|
<a name="x2018509"></a>controlled repetitive loop</dt>
|
||
|
|
<dd>In REXX,
|
||
|
|
a repetitive DO loop in which the repetitive phrase specifies a control variable.
|
||
|
|
The variable is given an initial value before the first run of the instruction
|
||
|
|
list and is then stepped (by adding the result of an optional expression)
|
||
|
|
before the second and subsequent times that the instruction list is run.</dd>
|
||
|
|
<dt id="x2018514" class="bold">
|
||
|
|
<a name="x2018514"></a>controller</dt>
|
||
|
|
<dd>A device that coordinates
|
||
|
|
and controls the operation of one or more input/output devices (such as workstations)
|
||
|
|
and synchronizes the operation of such devices with the operation of the system
|
||
|
|
as a whole.</dd>
|
||
|
|
<dt id="x2018519" class="bold">
|
||
|
|
<a name="x2018519"></a>controller card</dt>
|
||
|
|
<dd>A generic term for
|
||
|
|
any of the I/O controller logic cards, such as storage device controller,
|
||
|
|
work station controller, or communications controller.</dd>
|
||
|
|
<dt id="x2018524" class="bold">
|
||
|
|
<a name="x2018524"></a>controller configuration</dt>
|
||
|
|
<dd>The process
|
||
|
|
of creating configuration descriptions for the local (device configuration)
|
||
|
|
and remote (communications configuration) controllers that make up a data
|
||
|
|
processing system.</dd>
|
||
|
|
<dt id="x2018529" class="bold">
|
||
|
|
<a name="x2018529"></a>controller description (CTLD)</dt>
|
||
|
|
<dd>An
|
||
|
|
object that contains a description of the characteristics of a controller
|
||
|
|
that is either directly attached to the system or attached to a communications
|
||
|
|
line. The system-recognized identifier for the object type is *CTLD.</dd>
|
||
|
|
<dt id="x2018534" class="bold">
|
||
|
|
<a name="x2018534"></a>control-level indicator</dt>
|
||
|
|
<dd>In RPG, an
|
||
|
|
indicator (L1 through L9) used to specify certain fields as control fields
|
||
|
|
and to control the operations that are performed at total and detail time
|
||
|
|
in the RPG program cycle.</dd>
|
||
|
|
<dt id="x2018539" class="bold">
|
||
|
|
<a name="x2018539"></a>controlling subsystem</dt>
|
||
|
|
<dd>The interactive
|
||
|
|
subsystem that is automatically started first when the system is started and
|
||
|
|
through which the system operator controls the system.</dd>
|
||
|
|
<dt id="x2018544" class="bold">
|
||
|
|
<a name="x2018544"></a>control menu</dt>
|
||
|
|
<dd>See <a href="rzaats.htm#x2095447">system menu</a>.</dd>
|
||
|
|
<dt id="x2018548" class="bold">
|
||
|
|
<a name="x2018548"></a>control message</dt>
|
||
|
|
<dd>In Internet communications,
|
||
|
|
a message that governs the aspects of a tunnel and sessions within a tunnel.</dd>
|
||
|
|
<dt id="x2018553" class="bold">
|
||
|
|
<a name="x2018553"></a>control operator</dt>
|
||
|
|
<dd>A token that performs
|
||
|
|
a control function such as the symbols ().</dd>
|
||
|
|
<dt id="x2018558" class="bold">
|
||
|
|
<a name="x2018558"></a>control panel</dt>
|
||
|
|
<dd>A panel that contains
|
||
|
|
lights and switches that are used to observe status and to operate or service
|
||
|
|
the system.</dd>
|
||
|
|
<dt id="x2000934" class="bold">
|
||
|
|
<a name="x2000934"></a>control point (CP)</dt>
|
||
|
|
<dd>A collection of
|
||
|
|
tasks that provide directory and route selection functions for Advanced Peer-to-Peer
|
||
|
|
Networking (APPN) support.</dd>
|
||
|
|
<dt id="x2018566" class="bold">
|
||
|
|
<a name="x2018566"></a>control point server (CP-SVR)</dt>
|
||
|
|
<dd>The
|
||
|
|
pair of conversations that are used to transmit encapsulated SNA.</dd>
|
||
|
|
<dt id="x2018571" class="bold">
|
||
|
|
<a name="x2018571"></a>control region</dt>
|
||
|
|
<dd>The control region
|
||
|
|
provides the control, scheduling, and work management mechanisms necessary
|
||
|
|
to coordinate all the shared resources in CICS.</dd>
|
||
|
|
<dt id="x2018576" class="bold">
|
||
|
|
<a name="x2018576"></a>control specification</dt>
|
||
|
|
<dd>In RPG, a specification
|
||
|
|
that provides information about program generation.</dd>
|
||
|
|
<dt id="x2018581" class="bold">
|
||
|
|
<a name="x2018581"></a>control statement</dt>
|
||
|
|
<dd>(1) In programming
|
||
|
|
languages, a statement that is used to interrupt the continuous sequential
|
||
|
|
processing of programming statements; for example, a conditional statement
|
||
|
|
such as IF, PAUSE, or STOP.</dd>
|
||
|
|
<dd>(2) In RPG, an entry on a control specification.</dd>
|
||
|
|
<dt id="x2018589" class="bold">
|
||
|
|
<a name="x2018589"></a>control station</dt>
|
||
|
|
<dd>The controlling or
|
||
|
|
primary computer on a multipoint line. The control station controls the sending
|
||
|
|
and receiving of data.</dd>
|
||
|
|
<dt id="x2018594" class="bold">
|
||
|
|
<a name="x2018594"></a>convenience station</dt>
|
||
|
|
<dd>The part of the
|
||
|
|
tape library that is used to load and unload small numbers of cartridges into
|
||
|
|
the tape library.</dd>
|
||
|
|
<dt id="x2018599" class="bold">
|
||
|
|
<a name="x2018599"></a>conventional memory</dt>
|
||
|
|
<dd>Personal computer
|
||
|
|
memory that is addressed by DOS from 0 KB to 640 KB. See also <a href="rzaate.htm#x2027282">expanded memory</a>.</dd>
|
||
|
|
<dt id="x2018604" class="bold">
|
||
|
|
<a name="x2018604"></a>converged service processor</dt>
|
||
|
|
<dd>A common
|
||
|
|
card in both iSeries and RS/6000® systems. The primary function of a
|
||
|
|
converged service processor is to start the system and diagnose hardware failures.</dd>
|
||
|
|
<dt id="x2000957" class="bold">
|
||
|
|
<a name="x2000957"></a>conversation</dt>
|
||
|
|
<dd>(1) A connection between
|
||
|
|
two programs over a session that allows them to communicate with each other
|
||
|
|
while processing a transaction. See also <a href="rzaatt.htm#x2005321">transaction</a>, <a href="rzaats.htm#x2004539">session</a>.</dd>
|
||
|
|
<dd>(2) In dynamic data exchange
|
||
|
|
(DDE), a connection between a DDE client and a DDE server.</dd>
|
||
|
|
<dt id="x2140181" class="bold">
|
||
|
|
<a name="x2140181"></a>Conversational Monitor System (CMS)</dt>
|
||
|
|
<dd>A virtual-machine operating system that provides general interactive time
|
||
|
|
sharing, problem solving, and program development capabilities.</dd>
|
||
|
|
<dt id="x2018625" class="bold">
|
||
|
|
<a name="x2018625"></a>conversation identifier</dt>
|
||
|
|
<dd>A value used
|
||
|
|
to identify the conversation.</dd>
|
||
|
|
<dt id="x2047133" class="bold">
|
||
|
|
<a name="x2047133"></a>conversation key</dt>
|
||
|
|
<dd>See <a href="rzaats.htm#x2038542">session key</a>.</dd>
|
||
|
|
<dt id="x2018630" class="bold">
|
||
|
|
<a name="x2018630"></a>conversation state</dt>
|
||
|
|
<dd>The condition
|
||
|
|
of a conversation, such as send or receive state. The conversation state reflects
|
||
|
|
the actions that have been done on that conversation and determines what the
|
||
|
|
next set of actions may be.</dd>
|
||
|
|
<dt id="x2018635" class="bold">
|
||
|
|
<a name="x2018635"></a>conversion</dt>
|
||
|
|
<dd>The converting of a code
|
||
|
|
point that is assigned to a character in one code page to its corresponding
|
||
|
|
code point in another code page.</dd>
|
||
|
|
<dt id="x2018640" class="bold">
|
||
|
|
<a name="x2018640"></a>conversion table</dt>
|
||
|
|
<dd>An object that contains
|
||
|
|
a set of hexadecimal characters used to convert one or more characters of
|
||
|
|
data. The table can be used for the conversion of data being moved between
|
||
|
|
the system and a device. For example, data stored in one coded character set
|
||
|
|
may need to be displayed or entered on display devices that support a different
|
||
|
|
coded character set. The table can also be used to specify an alternative
|
||
|
|
collating sequence or field conversion functions. The system-recognized identifier
|
||
|
|
for the object type is *TBL.</dd>
|
||
|
|
<dt id="x2018645" class="bold">
|
||
|
|
<a name="x2018645"></a>conversion template table</dt>
|
||
|
|
<dd>A CICS table containing
|
||
|
|
entries that identify how data is to be converted when transported to or from
|
||
|
|
a remote system.</dd>
|
||
|
|
<dt id="x2018650" class="bold">
|
||
|
|
<a name="x2018650"></a>converted journal entry</dt>
|
||
|
|
<dd>The version
|
||
|
|
of a journal entry that can be displayed, printed, or written to a database
|
||
|
|
output file.</dd>
|
||
|
|
<dt id="x2018655" class="bold">
|
||
|
|
<a name="x2018655"></a>cooperative application</dt>
|
||
|
|
<dd>In the Systems Application Architecture (SAA) environment, a type of distributed application
|
||
|
|
in which the user interface portion of the application runs on a programmable
|
||
|
|
work station while some or all of the remaining code runs on one or more linked
|
||
|
|
systems.</dd>
|
||
|
|
<dt id="x2018660" class="bold">
|
||
|
|
<a name="x2018660"></a>CoOperative Development Environment/400</dt>
|
||
|
|
<dd>A feature of the Application Development ToolSet Client Server (ADTS
|
||
|
|
CS) licensed program that provides an SAA application development and maintenance
|
||
|
|
utility for editing, compiling, and debugging third-generation programming
|
||
|
|
languages.</dd>
|
||
|
|
<dt id="x2018665" class="bold">
|
||
|
|
<a name="x2018665"></a>cooperative processing</dt>
|
||
|
|
<dd>Distributed
|
||
|
|
processing in which processors, typically a programmable workstation and a
|
||
|
|
host computer, accomplish the work of an application by means of coordinated
|
||
|
|
or synchronized use of processing functions and system resources.</dd>
|
||
|
|
<dt id="x2018670" class="bold">
|
||
|
|
<a name="x2018670"></a>coordinate</dt>
|
||
|
|
<dd>To bring into a common
|
||
|
|
action, movement, or condition.</dd>
|
||
|
|
<dt id="x2018683" class="bold">
|
||
|
|
<a name="x2018683"></a>CORBA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017604">Common Object Request Broker Architecture</a>.</dd>
|
||
|
|
<dt id="x2018687" class="bold">
|
||
|
|
<a name="x2018687"></a>corequisite fix</dt>
|
||
|
|
<dd>A temporary solution
|
||
|
|
to or a bypass of a problem that is necessary to provide a complete solution
|
||
|
|
to correct a problem. The system requires that you apply the corequisite fix
|
||
|
|
with the PTF that needs it. See also <a href="rzaatd.htm#x2021026">distribution requisite
|
||
|
|
fix</a>, <a href="rzaatp.htm#x2034332">prerequisite fix</a>.</dd>
|
||
|
|
<dt id="x2001007" class="bold">
|
||
|
|
<a name="x2001007"></a>correlated reference</dt>
|
||
|
|
<dd>A reference
|
||
|
|
to a column of a table that is outside a subquery. See also <a href="rzaatc.htm#x2001012">correlated subquery</a>.</dd>
|
||
|
|
<dt id="x2001012" class="bold">
|
||
|
|
<a name="x2001012"></a>correlated subquery</dt>
|
||
|
|
<dd>A subquery that
|
||
|
|
contains a correlated reference. See also <a href="rzaatc.htm#x2001007">correlated
|
||
|
|
reference</a>.</dd>
|
||
|
|
<dt id="x2001017" class="bold">
|
||
|
|
<a name="x2001017"></a>correlation ID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2043641">correlation identifier</a>.</dd>
|
||
|
|
<dt id="x2043641" class="bold">
|
||
|
|
<a name="x2043641"></a>correlation identifier (correlation ID)</dt>
|
||
|
|
<dd>An application-defined identifier assigned to distributions for the
|
||
|
|
user's information.</dd>
|
||
|
|
<dt id="x2001022" class="bold">
|
||
|
|
<a name="x2001022"></a>correlation name</dt>
|
||
|
|
<dd>An identifier that
|
||
|
|
designates a table, a view, or an individual row of a table or view within
|
||
|
|
a single SQL statement. The name can be defined in any FROM clause or in the
|
||
|
|
first clause of an UPDATE or DELETE statement.</dd>
|
||
|
|
<dt id="x2018710" class="bold">
|
||
|
|
<a name="x2018710"></a>correlation table</dt>
|
||
|
|
<dd>In OSI X.400, a
|
||
|
|
table that records details of distributions sent and received across a gateway
|
||
|
|
(such as VM/MVS bridge or X.400). A correlation table is used by a gateway
|
||
|
|
to forward acknowledgments, as appropriate, after they are received.</dd>
|
||
|
|
<dt id="x2018723" class="bold">
|
||
|
|
<a name="x2018723"></a>counter</dt>
|
||
|
|
<dd>A data item used for storing
|
||
|
|
numbers or number representations in a manner that permits these numbers to
|
||
|
|
be increased or decreased by the value of another number, or to be changed
|
||
|
|
or reset to zero or to an arbitrary positive or negative value.</dd>
|
||
|
|
<dt id="x2191909" class="bold">
|
||
|
|
<a name="x2191909"></a>country ID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018732">country identifier</a>.</dd>
|
||
|
|
<dt id="x2018732" class="bold">
|
||
|
|
<a name="x2018732"></a>country identifier (country ID)</dt>
|
||
|
|
<dd>The 2-character representation for the country associated with an object.
|
||
|
|
For example, documents and user profiles can have a country associated with
|
||
|
|
them.</dd>
|
||
|
|
<dt id="x2018737" class="bold">
|
||
|
|
<a name="x2018737"></a>coupler</dt>
|
||
|
|
<dd>A device that connects a
|
||
|
|
modem to a telephone network.</dd>
|
||
|
|
<dt id="x2008891" class="bold">
|
||
|
|
<a name="x2008891"></a>CP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2000934">control
|
||
|
|
point</a>.</dd>
|
||
|
|
<dt id="x2018749" class="bold">
|
||
|
|
<a name="x2018749"></a>CP-CP session</dt>
|
||
|
|
<dd>In SNA, one of the
|
||
|
|
parallel sessions between two control points, using LU 6.2 protocols and a
|
||
|
|
mode name of CPSVCMG, on which network services requests and replies are exchanged.
|
||
|
|
Each CP of a given pair has one contention-winner session and one contention-loser
|
||
|
|
session with the other.</dd>
|
||
|
|
<dt id="x2124430" class="bold">
|
||
|
|
<a name="x2124430"></a>CPGID</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2124428">code page global identifier</a>.</dd>
|
||
|
|
<dt id="x2018758" class="bold">
|
||
|
|
<a name="x2018758"></a>cpi</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016620">characters
|
||
|
|
per inch</a>.</dd>
|
||
|
|
<dt id="x2018762" class="bold">
|
||
|
|
<a name="x2018762"></a>CPI</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017617">Common
|
||
|
|
Programming Interface</a>.</dd>
|
||
|
|
<dt id="x2008895" class="bold">
|
||
|
|
<a name="x2008895"></a>CPI-C</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2051508">Common Programming Interface for Communications</a>.</dd>
|
||
|
|
<dt id="x2018766" class="bold">
|
||
|
|
<a name="x2018766"></a>CPM</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018429">continuously
|
||
|
|
powered main storage</a>.</dd>
|
||
|
|
<dt id="x2018770" class="bold">
|
||
|
|
<a name="x2018770"></a>CPP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017464">command
|
||
|
|
processing program</a>.</dd>
|
||
|
|
<dt id="x2018774" class="bold">
|
||
|
|
<a name="x2018774"></a>CP-SVR</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018566">control point server</a>.</dd>
|
||
|
|
<dt id="x2018782" class="bold">
|
||
|
|
<a name="x2018782"></a>CPW</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017508">commercial
|
||
|
|
processing workload</a>.</dd>
|
||
|
|
<dt id="x2018786" class="bold">
|
||
|
|
<a name="x2018786"></a>cracker</dt>
|
||
|
|
<dd>(1) Someone, usually with malicious
|
||
|
|
intent, who tries to circumvent or subvert system protection mechanisms.</dd>
|
||
|
|
<dd>(2) A hacker with malicious intent.</dd>
|
||
|
|
<dt id="x2018791" class="bold">
|
||
|
|
<a name="x2018791"></a>cradle</dt>
|
||
|
|
<dd>The part of a telephone that
|
||
|
|
holds the handset or receiver.</dd>
|
||
|
|
<dt id="x2018798" class="bold">
|
||
|
|
<a name="x2018798"></a>create data</dt>
|
||
|
|
<dd>The data necessary to
|
||
|
|
convert code to machine instructions.</dd>
|
||
|
|
<dt id="x2018803" class="bold">
|
||
|
|
<a name="x2018803"></a>creation date</dt>
|
||
|
|
<dd>The system date when
|
||
|
|
an object is created.</dd>
|
||
|
|
<dt id="x2210518" class="bold">
|
||
|
|
<a name="x2210518"></a>CRG</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017113">cluster
|
||
|
|
resource group</a>.</dd>
|
||
|
|
<dt id="x2018818" class="bold">
|
||
|
|
<a name="x2018818"></a>CRGM</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017118">cluster
|
||
|
|
resource group manager</a>.</dd>
|
||
|
|
<dt id="x2018822" class="bold">
|
||
|
|
<a name="x2018822"></a>crop</dt>
|
||
|
|
<dd>In image processing and in multimedia
|
||
|
|
applications, to cut off or trim.</dd>
|
||
|
|
<dt id="x2018827" class="bold">
|
||
|
|
<a name="x2018827"></a>cross-domain key</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, a type of key-encrypting key used to encrypt a data-encrypting key
|
||
|
|
that is being sent across a data line or being stored in a file.</dd>
|
||
|
|
<dt id="x2018832" class="bold">
|
||
|
|
<a name="x2018832"></a>cross-domain key table</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, a table in the system-supplied physical file QACRKTBL in library
|
||
|
|
QUSRSYS used to store all key-encrypting keys other than the host master key
|
||
|
|
and its variants. Each record of the file contains the name of the key, its
|
||
|
|
use, and its value. The three types of uses are sending, receiving, and personal
|
||
|
|
identification numbers (PINs).</dd>
|
||
|
|
<dt id="x2018837" class="bold">
|
||
|
|
<a name="x2018837"></a>cross-reference listing</dt>
|
||
|
|
<dd>The part
|
||
|
|
of the compiler listing that tells where files, fields, and indicators are
|
||
|
|
defined, referred to, and changed in a program.</dd>
|
||
|
|
<dt id="x2235607" class="bold">
|
||
|
|
<a name="x2235607"></a>cross-site mirroring (XSM)</dt>
|
||
|
|
<dd>A function
|
||
|
|
of i5/OS High Available Switchable Resources, Option 41, that provides geographic
|
||
|
|
mirroring and the services to switch over or automatically cause a failover
|
||
|
|
to a secondary copy, potentially at another location, in the event of an outage
|
||
|
|
at the primary location.</dd>
|
||
|
|
<dt id="x2018842" class="bold">
|
||
|
|
<a name="x2018842"></a>CRQ</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016473">change
|
||
|
|
request</a>.</dd>
|
||
|
|
<dt id="x2018846" class="bold">
|
||
|
|
<a name="x2018846"></a>CRQD</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016478">change
|
||
|
|
request description</a>.</dd>
|
||
|
|
<dt id="x2018850" class="bold">
|
||
|
|
<a name="x2018850"></a>CRS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018156">configuration
|
||
|
|
report server</a>.</dd>
|
||
|
|
<dt id="x2018859" class="bold">
|
||
|
|
<a name="x2018859"></a>cryptanalyst</dt>
|
||
|
|
<dd>In Cryptographic Support,
|
||
|
|
a specialist in solving cryptographic problems.</dd>
|
||
|
|
<dt id="x2018864" class="bold">
|
||
|
|
<a name="x2018864"></a>cryptographic algorithm</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, a set of rules that specify the mathematical steps required to encrypt
|
||
|
|
and decrypt data.</dd>
|
||
|
|
<dt id="x2018869" class="bold">
|
||
|
|
<a name="x2018869"></a>Cryptographic Service Provider (CSP)</dt>
|
||
|
|
<dd>A feature of the i5/OS operating system that provides APIs. The CCA Cryptographic
|
||
|
|
Service Provider enables a user to run functions on the 4758 Coprocessor.</dd>
|
||
|
|
<dt id="x2018874" class="bold">
|
||
|
|
<a name="x2018874"></a>Cryptographic Support</dt>
|
||
|
|
<dd>The IBM licensed program
|
||
|
|
that provides support for the encryption and decryption of data, according
|
||
|
|
to the Data Encryption Algorithm, and for the management of cryptographic
|
||
|
|
keys and personal identification numbers (PINs).</dd>
|
||
|
|
<dt id="x2018879" class="bold">
|
||
|
|
<a name="x2018879"></a>cryptography</dt>
|
||
|
|
<dd>(1) A method of transforming
|
||
|
|
customer data to conceal its meaning. Cryptographic services include data
|
||
|
|
encryption and message authentication.</dd>
|
||
|
|
<dd>(2) The science of keeping
|
||
|
|
data secure. Cryptography allows you to store information or to communicate
|
||
|
|
with other parties while preventing non-involved parties from understanding
|
||
|
|
the stored information or the communication. There are two types of cryptography:
|
||
|
|
(1) shared/secret key (symmetric) cryptography, (2) public key (asymmetric)
|
||
|
|
cryptography.</dd>
|
||
|
|
<dd>(3) The transformation of data to conceal its information
|
||
|
|
content and to prevent its unauthorized use or undetected modification.</dd>
|
||
|
|
<dt id="x2008907" class="bold">
|
||
|
|
<a name="x2008907"></a>CS</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2001107">cursor
|
||
|
|
stability</a>.</dd>
|
||
|
|
<dt id="x2018890" class="bold">
|
||
|
|
<a name="x2018890"></a>CSMA/CD</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016166">Carrier Sense Multiple Access with Collision Detection</a>.</dd>
|
||
|
|
<dt id="x2018904" class="bold">
|
||
|
|
<a name="x2018904"></a>CSP</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018869">Cryptographic
|
||
|
|
Service Provider</a>.</dd>
|
||
|
|
<dt id="x2018913" class="bold">
|
||
|
|
<a name="x2018913"></a>CSU</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016492">channel
|
||
|
|
service unit</a>.</dd>
|
||
|
|
<dt id="x2018921" class="bold">
|
||
|
|
<a name="x2018921"></a>CTLD</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2018529">controller
|
||
|
|
description</a>.</dd>
|
||
|
|
<dt id="x2043625" class="bold">
|
||
|
|
<a name="x2043625"></a>CUA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017622">Common User Access</a>.</dd>
|
||
|
|
<dt id="x2052410" class="bold">
|
||
|
|
<a name="x2052410"></a>CUD</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016088">call
|
||
|
|
user data</a>.</dd>
|
||
|
|
<dt id="x2052414" class="bold">
|
||
|
|
<a name="x2052414"></a>CUG</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017070">closed
|
||
|
|
user group</a>.</dd>
|
||
|
|
<dt id="x2018929" class="bold">
|
||
|
|
<a name="x2018929"></a>cumulative backup</dt>
|
||
|
|
<dd>The process of
|
||
|
|
copying only data sets that have changed since the last backup of any type.
|
||
|
|
See also <a href="rzaatf.htm#x2023511">full backup</a>, <a href="rzaati.htm#x2025109">incremental
|
||
|
|
backup</a>.</dd>
|
||
|
|
<dt id="x2018934" class="bold">
|
||
|
|
<a name="x2018934"></a>cumulative PTF package</dt>
|
||
|
|
<dd>Media containing
|
||
|
|
the program temporary fixes (PTFs) for i5/OS that have been accumulated from the start
|
||
|
|
of the current release. PTFs requiring special handling are not included in
|
||
|
|
a cumulative PTF package.</dd>
|
||
|
|
<dt id="x2018939" class="bold">
|
||
|
|
<a name="x2018939"></a>currency sign</dt>
|
||
|
|
<dd>In COBOL, the character
|
||
|
|
$.</dd>
|
||
|
|
<dt id="x2018944" class="bold">
|
||
|
|
<a name="x2018944"></a>currency symbol</dt>
|
||
|
|
<dd>(1) In COBOL, the character
|
||
|
|
defined by the CURRENCY SIGN clause in the SPECIAL-NAMES paragraph. If no
|
||
|
|
CURRENCY SIGN clause is present in a COBOL source program, the currency symbol
|
||
|
|
is identical to the currency sign.</dd>
|
||
|
|
<dd>(2) A character such as the dollar
|
||
|
|
sign ($) used to identify monetary values.</dd>
|
||
|
|
<dt id="x2018952" class="bold">
|
||
|
|
<a name="x2018952"></a>current</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, pertaining
|
||
|
|
to a part that is built with the latest version of all the source and related
|
||
|
|
parts used to create it. See also <a href="rzaats.htm#x2039707">stale</a>.</dd>
|
||
|
|
<dt id="x2018957" class="bold">
|
||
|
|
<a name="x2018957"></a>current directory</dt>
|
||
|
|
<dd>The active directory.
|
||
|
|
When a file name is specified without a directory, the current directory is
|
||
|
|
searched.</dd>
|
||
|
|
<dt id="x2018965" class="bold">
|
||
|
|
<a name="x2018965"></a>current files library</dt>
|
||
|
|
<dd>The files library
|
||
|
|
to search for database files to be used by the System/36™ environment for the current job.</dd>
|
||
|
|
<dt id="x2018970" class="bold">
|
||
|
|
<a name="x2018970"></a>current form</dt>
|
||
|
|
<dd>In query management,
|
||
|
|
the form being applied against the data to produce the report being displayed
|
||
|
|
or printed.</dd>
|
||
|
|
<dt id="x2018975" class="bold">
|
||
|
|
<a name="x2018975"></a>current interrupted job</dt>
|
||
|
|
<dd>When a job
|
||
|
|
is interrupted by pressing the Attn key, another job can be started from a
|
||
|
|
command line. This job can also be interrupted by pressing the Attn key again.
|
||
|
|
The current interrupted job is the most recently interrupted. The job name
|
||
|
|
for the current interrupted job is displayed at the top of the Inquiry Options
|
||
|
|
menu.</dd>
|
||
|
|
<dt id="x2018980" class="bold">
|
||
|
|
<a name="x2018980"></a>current library</dt>
|
||
|
|
<dd>The library that
|
||
|
|
is specified to be the first user library searched for objects requested by
|
||
|
|
a user. The name for the current library can be specified on the Sign-On display
|
||
|
|
or in a user profile. When you specify an object name (such as the name of
|
||
|
|
a file or program) on a command, but do not specify a library name, the system
|
||
|
|
searches the libraries in the system part of the library list, then searches
|
||
|
|
the current library before searching the user part of the library list. The
|
||
|
|
current library is also the library that the system uses when you create a
|
||
|
|
new object, if you do not specify a library name.</dd>
|
||
|
|
<dt id="x2018985" class="bold">
|
||
|
|
<a name="x2018985"></a>current mode</dt>
|
||
|
|
<dd>In the GDDM function, the
|
||
|
|
characteristics of the controlling session. For example, when a color is defined,
|
||
|
|
everything the program draws uses that color until the color is changed.</dd>
|
||
|
|
<dt id="x2018990" class="bold">
|
||
|
|
<a name="x2018990"></a>current position</dt>
|
||
|
|
<dd>In computer graphics,
|
||
|
|
the position, in user coordinates, that becomes the starting point for the
|
||
|
|
next graphics routine, if that routine does not explicitly specify a starting
|
||
|
|
point.</dd>
|
||
|
|
<dt id="x2018995" class="bold">
|
||
|
|
<a name="x2018995"></a>current record</dt>
|
||
|
|
<dd>In COBOL, the record
|
||
|
|
that is available in the record area associated with the file.</dd>
|
||
|
|
<dt id="x2019000" class="bold">
|
||
|
|
<a name="x2019000"></a>current record pointer</dt>
|
||
|
|
<dd>In COBOL,
|
||
|
|
a method of identifying a record that is used in the sequential processing
|
||
|
|
of the next record.</dd>
|
||
|
|
<dt id="x2019005" class="bold">
|
||
|
|
<a name="x2019005"></a>current release</dt>
|
||
|
|
<dd>The latest available
|
||
|
|
release of the system that replaced the Licensed Internal Code, operating
|
||
|
|
system, or both.</dd>
|
||
|
|
<dt id="x2019010" class="bold">
|
||
|
|
<a name="x2019010"></a>current state</dt>
|
||
|
|
<dd>In DB2 UDB for iSeries, the state of a connection when it is the one used for SQL statements
|
||
|
|
that are executed. See also <a href="rzaatd.htm#x2021279">dormant state</a>.</dd>
|
||
|
|
<dt id="x2019015" class="bold">
|
||
|
|
<a name="x2019015"></a>current volume pointer</dt>
|
||
|
|
<dd>In COBOL,
|
||
|
|
a conceptual entity that points to the current volume of a sequential file.</dd>
|
||
|
|
<dt id="x2001097" class="bold">
|
||
|
|
<a name="x2001097"></a>current working directory</dt>
|
||
|
|
<dd>The default
|
||
|
|
directory of a process from which all relative path names are resolved.</dd>
|
||
|
|
<dt id="x2001102" class="bold">
|
||
|
|
<a name="x2001102"></a>cursor</dt>
|
||
|
|
<dd>(1) A movable symbol on a display,
|
||
|
|
often a blinking or solid block of light, that identifies a choice to select,
|
||
|
|
indicates where user interaction with the keyboard will appear, or indicates
|
||
|
|
a position of interest on the display surface.</dd>
|
||
|
|
<dd>(2) A named control
|
||
|
|
structure used by an application program to point to and select a row of data
|
||
|
|
from a set.</dd>
|
||
|
|
<dt id="x2082481" class="bold">
|
||
|
|
<a name="x2082481"></a>cursor movement key</dt>
|
||
|
|
<dd>A key that a
|
||
|
|
user presses to move the cursor on the screen.</dd>
|
||
|
|
<dt id="x2001107" class="bold">
|
||
|
|
<a name="x2001107"></a>cursor stability (CS)</dt>
|
||
|
|
<dd>An isolation
|
||
|
|
level that locks any row accessed by a transaction of an application while
|
||
|
|
the cursor is positioned on the row. The lock remains in effect until the
|
||
|
|
next row is fetched or the transaction is terminated. If any data is changed
|
||
|
|
in a row, the lock is held until the change is committed to the database.
|
||
|
|
See also <a href="rzaatr.htm#x2004018">read stability</a>, <a href="rzaatr.htm#x2004214">repeatable read</a>, <a href="rzaatu.htm#x2005513">uncommitted read</a>.</dd>
|
||
|
|
<dt id="x2389114" class="bold">
|
||
|
|
<a name="x2389114"></a>curve fitting</dt>
|
||
|
|
<dd>See <a href="rzaats.htm#x2039116">smoothness of curve</a>.</dd>
|
||
|
|
<dt id="x2403306" class="bold">
|
||
|
|
<a name="x2403306"></a>Customer Information Control System</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2403301">CICS</a>.</dd>
|
||
|
|
<dt id="x2019037" class="bold">
|
||
|
|
<a name="x2019037"></a>customization</dt>
|
||
|
|
<dd>The ability to change
|
||
|
|
how objects on a personal computer look and work. For example, you can tailor
|
||
|
|
what objects are in a work area by creating, moving, or copying objects to
|
||
|
|
the work area.</dd>
|
||
|
|
<dt id="x2019047" class="bold">
|
||
|
|
<a name="x2019047"></a>CVDA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2016765">CICS-value
|
||
|
|
data area</a>.</dd>
|
||
|
|
<dt id="x2019051" class="bold">
|
||
|
|
<a name="x2019051"></a>CWA</dt>
|
||
|
|
<dd>See <a href="rzaatc.htm#x2017636">common
|
||
|
|
work area</a>.</dd>
|
||
|
|
<dt id="x2001117" class="bold">
|
||
|
|
<a name="x2001117"></a>cycle</dt>
|
||
|
|
<dd>To end a management collection
|
||
|
|
object that is currently in use and to open a new object for storing future
|
||
|
|
collections. This process prevents collection objects from becoming too large.</dd>
|
||
|
|
<dt id="x2019059" class="bold">
|
||
|
|
<a name="x2019059"></a>cyclic redundancy check</dt>
|
||
|
|
<dd>A redundancy
|
||
|
|
check in which the check key is generated by a cyclic algorithm</dd>
|
||
|
|
<dt id="x2019064" class="bold">
|
||
|
|
<a name="x2019064"></a>cylinder</dt>
|
||
|
|
<dd>On a magnetic disk or in
|
||
|
|
an assembly of disks, the set of all tracks that can be accessed by all the
|
||
|
|
magnetic heads of a comb in a given position, without repositioning the access
|
||
|
|
mechanism.</dd></dl>
|
||
|
|
<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
|
||
|
|
</body>
|
||
|
|
</html>
|