1417 lines
68 KiB
HTML
1417 lines
68 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>T</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="t"></a>
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<h2 id="t">T</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="x2005051" class="bold">
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<a name="x2005051"></a>table</dt>
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<dd>(1) In RPG, a series of elements
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with like characteristics. A table can be searched for a uniquely identified
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element, but elements in a table cannot be accessed by their position relative
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to other elements.</dd>
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<dd>(2) An orderly arrangement of data in rows and
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columns that can contain numbers, text, or a combination of both. The system-recognized
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identifier for the object type is *TBL.</dd>
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<dd>(3) A named data object that
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consists of a specific number of columns and some unordered rows. See also <a href="rzaatv.htm#x2005681">view</a>.</dd>
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<dd>(4) In COBOL, a set of logically consecutive
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data items that are defined in the Data Division with the OCCURS clause.</dd>
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<dt id="x2005061" class="bold">
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<a name="x2005061"></a>table designator</dt>
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<dd>A column name qualifier
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that designates a specific object table.</dd>
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<dt id="x2040891" class="bold">
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<a name="x2040891"></a>table element</dt>
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<dd>In COBOL, a data item
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that can be referred to in a table.</dd>
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<dt id="x2040896" class="bold">
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<a name="x2040896"></a>table file</dt>
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<dd>In RPG, an input file
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that contains a table.</dd>
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<dt id="x2005066" class="bold">
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<a name="x2005066"></a>table function</dt>
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<dd>A function that optionally
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accepts arguments and that returns a table to the SQL statement that refers
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to it. Table functions can be referenced only in the FROM clause. See also <a href="rzaata.htm#x2000113">aggregate function</a>, <a href="rzaats.htm#x2004437">scalar function</a>.</dd>
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<dt id="x2136550" class="bold">
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<a name="x2136550"></a>table reference character (TRC)</dt>
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<dd>(1) In a 3800 Printing Subsystem, a numeric character corresponding to the order
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in which the names for the character-arrangement table have been specified.</dd>
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<dd>(2) An optional control character in a print data set. The TRC identifies
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the font used to print the record and can be used to select a font during
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printing.</dd>
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<dt id="x2040914" class="bold">
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<a name="x2040914"></a>tab stop</dt>
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<dd>In VisualAge® RPG, a
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control setting that determines if a control can be selected by using the
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tab key.</dd>
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<dt id="x2040919" class="bold">
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<a name="x2040919"></a>tachometer</dt>
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<dd>A part that determines
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speed of rotation.</dd>
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<dt id="x2040924" class="bold">
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<a name="x2040924"></a>tag</dt>
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<dd>(1) The statements of the UIM tag
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language. Tags describe the actions, format, and data of the panel. Tags are
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used to define the formatting of help information.</dd>
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<dd>(2) In OSI, a type
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designation that is associated with every ASN.1 type.</dd>
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<dt id="x2040932" class="bold">
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<a name="x2040932"></a>tag content</dt>
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<dd>The text associated with
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a tag.</dd>
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<dt id="x2040937" class="bold">
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<a name="x2040937"></a>tail</dt>
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<dd>In REXX, the part of a compound
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symbol that follows the stem. A tail can consist of constant symbols, simple
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symbols, and periods.</dd>
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<dt id="x2040942" class="bold">
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<a name="x2040942"></a>tangent</dt>
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<dd>In the GDDM® function, the
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single point at which a straight line meets a curve or surface.</dd>
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<dt id="x2040947" class="bold">
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<a name="x2040947"></a>tape cartridge</dt>
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<dd>A case containing
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a reel of magnetic tape that can be put into a tape unit without stringing
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the tape between reels.</dd>
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<dt id="x2040952" class="bold">
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<a name="x2040952"></a>tape controller</dt>
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<dd>A logic card located
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in some tape units that controls input/output tape devices and synchronizes
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their operation with the operation of the system as a whole.</dd>
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<dt id="x2040957" class="bold">
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<a name="x2040957"></a>tape drive</dt>
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<dd>A device used to move
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magnetic tapes, as well as to read and write information onto those tapes.</dd>
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<dt id="x2040962" class="bold">
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<a name="x2040962"></a>tape file</dt>
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<dd>A device file to support
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a tape device.</dd>
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<dt id="x2040967" class="bold">
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<a name="x2040967"></a>tape library</dt>
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<dd>A device that includes
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a selection of cartridges in a common (secure) area within access of one or
|
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more automated removable media (ARM).</dd>
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<dt id="x2040972" class="bold">
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<a name="x2040972"></a>tape mark</dt>
|
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<dd>A unique mark written on
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the tape to distinguish file boundaries.</dd>
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<dt id="x2040977" class="bold">
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<a name="x2040977"></a>tape reel</dt>
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<dd>A round device on which
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magnetic tape is wound.</dd>
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<dt id="x2040982" class="bold">
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<a name="x2040982"></a>tape unit</dt>
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<dd>The physical enclosure
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containing the tape drive.</dd>
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<dt id="x2040987" class="bold">
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<a name="x2040987"></a>tape volume</dt>
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<dd>The recording space on
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a single tape cartridge or reel.</dd>
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<dt id="x2262507" class="bold">
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<a name="x2262507"></a>target</dt>
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<dd>(1) In SEU, a line command, such
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as B (Before) or A (After), that specifies the destination for other line
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commands such as C (Copy) or M (Move).</dd>
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<dd>(2) In VisualAge RPG, a
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part that receives a target event from a source part whenever the state of
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the source part changes.</dd>
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<dd>(3) The program or system to which a request
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for files or processing is sent.</dd>
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<dt id="x2041004" class="bold">
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||
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<a name="x2041004"></a>target data queue program</dt>
|
||
|
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<dd>In iSeries™ Access, a series of programs that receive requests for data manipulation
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from the source data queue program. Target data queue programs also send data
|
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and replies (to previous requests) to the source data queue program.</dd>
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<dt id="x2041009" class="bold">
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<a name="x2041009"></a>target directory</dt>
|
||
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<dd>In VisualAge RPG, the
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directory in which the compiled VRPG application is stored.</dd>
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<dt id="x2041014" class="bold">
|
||
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<a name="x2041014"></a>target distributed data manager (TDDM)</dt>
|
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<dd>In a distributed data management network, programming support that translates
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the DDM requests received from a source system into data management or SQL
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requests on the target (or remote) system. See also <a href="rzaats.htm#x2039363">source distributed data manager</a>.</dd>
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<dt id="x2041019" class="bold">
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||
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<a name="x2041019"></a>target event</dt>
|
||
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<dd>In VisualAge RPG, an
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event that a target part receives whenever the state of a source part changes.</dd>
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<dt id="x2041024" class="bold">
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<a name="x2041024"></a>target folder</dt>
|
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<dd>In VisualAge RPG, the
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folder where the application (composite project) will be created.</dd>
|
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<dt id="x2041029" class="bold">
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<a name="x2041029"></a>target group</dt>
|
||
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|
<dd>In the Application Development
|
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|
|
Manager feature of the Application Development ToolSet licensed program, the
|
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final group to which a part can be promoted.</dd>
|
||
|
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<dt id="x2041034" class="bold">
|
||
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<a name="x2041034"></a>target program</dt>
|
||
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<dd>(1) In display station
|
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|
pass-through, a program that runs on the remote system.</dd>
|
||
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<dd>(2) In VisualAge RPG, the object to be built by the project, such as a Dynamic
|
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Link Library (DLL).</dd>
|
||
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<dd>(3) In communications, the program that is started
|
||
|
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on the remote system at the request of the source system. See also <a href="rzaats.htm#x2004677">source program</a>.</dd>
|
||
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<dt id="x2041045" class="bold">
|
||
|
|
<a name="x2041045"></a>target recovery time</dt>
|
||
|
|
<dd>The amount of
|
||
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|
time estimated by the system that it will need to recover access paths during
|
||
|
|
an initial program load (IPL) after an abnormal system end. Actual performance
|
||
|
|
may range around the target.</dd>
|
||
|
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<dt id="x2041050" class="bold">
|
||
|
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<a name="x2041050"></a>target release</dt>
|
||
|
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<dd>(1) In upgrades, the version,
|
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release, and modification level of software that is to be installed.</dd>
|
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|
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<dd>(2) The release of the operating system on which a user intends to use an
|
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|
object being created, or intends to restore or use an existing object. See
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|
also <a href="rzaats.htm#x2039407">source release</a>.</dd>
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<dt id="x2005104" class="bold">
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||
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|
<a name="x2005104"></a>target server</dt>
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<dd>In upgrades, the planned
|
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|
hardware configuration and software level that exists when the upgrade is
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completed.</dd>
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<dt id="x2041058" class="bold">
|
||
|
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<a name="x2041058"></a>target system</dt>
|
||
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<dd>(1) In upgrades, the planned
|
||
|
|
hardware configuration and software level which will exist when the upgrade
|
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|
is completed.</dd>
|
||
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<dd>(2) The system that receives a request from another
|
||
|
|
system. See also <a href="rzaats.htm#x2039422">source system</a>.</dd>
|
||
|
|
<dt id="x2041072" class="bold">
|
||
|
|
<a name="x2041072"></a>tariff</dt>
|
||
|
|
<dd>The fee the packet-switching
|
||
|
|
data network charges a user for sending data. The tariff is usually based
|
||
|
|
on the number of packets sent over the network.</dd>
|
||
|
|
<dt id="x2041082" class="bold">
|
||
|
|
<a name="x2041082"></a>taskpad</dt>
|
||
|
|
<dd>In iSeries Navigator,
|
||
|
|
a view of system tasks that lets a user interact with i5/OS™ operating system
|
||
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|
functions. A taskpad contains a set of interrelated tasks that either perform
|
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|
a function or launch help that explains how to perform a function.</dd>
|
||
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<dt id="x2041087" class="bold">
|
||
|
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<a name="x2041087"></a>task swapper</dt>
|
||
|
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<dd>A function, introduced
|
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|
|
with DOS 5.00, that allows the user to switch from one application to another
|
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|
|
without ending either application. With the task swapper function, only one
|
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|
|
application is active at any time. The active program is the application that
|
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|
is currently running; all other applications are suspended until the user
|
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|
switches to that application.</dd>
|
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|
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<dt id="x2068498" class="bold">
|
||
|
|
<a name="x2068498"></a>Tb</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041236">terabit</a>.</dd>
|
||
|
|
<dt id="x2041096" class="bold">
|
||
|
|
<a name="x2041096"></a>TB</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041244">terabyte</a>.</dd>
|
||
|
|
<dt id="x2041100" class="bold">
|
||
|
|
<a name="x2041100"></a>TC</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041322">test
|
||
|
|
control</a>.</dd>
|
||
|
|
<dt id="x2041104" class="bold">
|
||
|
|
<a name="x2041104"></a>TCAM</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2203048">Telecommunications
|
||
|
|
Access Method</a>.</dd>
|
||
|
|
<dt id="x2009681" class="bold">
|
||
|
|
<a name="x2009681"></a>TCB</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042229">Trusted
|
||
|
|
Computing Base</a>.</dd>
|
||
|
|
<dt id="x2395015" class="bold">
|
||
|
|
<a name="x2395015"></a>TCP</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041973">Transmission
|
||
|
|
Control Protocol</a>.</dd>
|
||
|
|
<dt id="x2395013" class="bold">
|
||
|
|
<a name="x2395013"></a>TCP/IP</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2005379">Transmission Control Protocol/Internet Protocol</a>.</dd>
|
||
|
|
<dt id="x2041116" class="bold">
|
||
|
|
<a name="x2041116"></a>TCP/IP Connectivity Utilities</dt>
|
||
|
|
<dd>The IBM® licensed
|
||
|
|
program that provides a collective set of industrial communications protocols
|
||
|
|
to support connectivity functions for both local and wide area networks.</dd>
|
||
|
|
<dt id="x2041121" class="bold">
|
||
|
|
<a name="x2041121"></a>TCS®</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041272">terminal control system entry</a>.</dd>
|
||
|
|
<dt id="x2041125" class="bold">
|
||
|
|
<a name="x2041125"></a>TCT</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2203120">terminal
|
||
|
|
control table</a>.</dd>
|
||
|
|
<dt id="x2041129" class="bold">
|
||
|
|
<a name="x2041129"></a>TCTUA</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041282">terminal control table user area</a>.</dd>
|
||
|
|
<dt id="x2041133" class="bold">
|
||
|
|
<a name="x2041133"></a>TD</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041932">transient
|
||
|
|
data</a>.</dd>
|
||
|
|
<dt id="x2041137" class="bold">
|
||
|
|
<a name="x2041137"></a>TDDM</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041014">target
|
||
|
|
distributed data manager</a>.</dd>
|
||
|
|
<dt id="x2041145" class="bold">
|
||
|
|
<a name="x2041145"></a>TDLC</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042295">twinaxial
|
||
|
|
data link control</a>.</dd>
|
||
|
|
<dt id="x2041149" class="bold">
|
||
|
|
<a name="x2041149"></a>TE</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041292">terminal
|
||
|
|
equipment</a>.</dd>
|
||
|
|
<dt id="x2041377" class="bold">
|
||
|
|
<a name="x2041377"></a>TE1</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041297">terminal
|
||
|
|
equipment 1</a>.</dd>
|
||
|
|
<dt id="x2041381" class="bold">
|
||
|
|
<a name="x2041381"></a>TE2</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041302">terminal
|
||
|
|
equipment 2</a>.</dd>
|
||
|
|
<dt id="x2041153" class="bold">
|
||
|
|
<a name="x2041153"></a>technical information exchange (TIE)</dt>
|
||
|
|
<dd>A part of the electronic customer support function that allows a user to send
|
||
|
|
files to and receive files from a remote support system, and to search for
|
||
|
|
information on a remote support system. The files are sent and received through
|
||
|
|
a remote support network.</dd>
|
||
|
|
<dt id="x2041158" class="bold">
|
||
|
|
<a name="x2041158"></a>technology-independent machine interface (TIMI)</dt>
|
||
|
|
<dd>The lowest visible architectural layer of the server. TIMI defines
|
||
|
|
the high-level machine instruction set and application programming interface
|
||
|
|
that is independent of the underlying implementation. This allows the underlying
|
||
|
|
hardware and Licensed Internal Code to evolve over time to take advantage
|
||
|
|
of technology advances without affecting the user-level interface.</dd>
|
||
|
|
<dt id="x2041163" class="bold">
|
||
|
|
<a name="x2041163"></a>TEI</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041287">terminal
|
||
|
|
end-point identifier</a>.</dd>
|
||
|
|
<dt id="x2171004" class="bold">
|
||
|
|
<a name="x2171004"></a>telecommunication</dt>
|
||
|
|
<dd>(1) The transmission
|
||
|
|
of data between computer systems over telecommunication lines and between
|
||
|
|
a computer system and remote devices.</dd>
|
||
|
|
<dd>(2) The transmission of control
|
||
|
|
signals and information between two or more locations, such as by telegraph,
|
||
|
|
radio, or television.</dd>
|
||
|
|
<dt id="x2203048" class="bold">
|
||
|
|
<a name="x2203048"></a>Telecommunications Access Method (TCAM)</dt>
|
||
|
|
<dd>An access method used to transfer data between main storage and remote
|
||
|
|
or local storage.</dd>
|
||
|
|
<dt id="x2041180" class="bold">
|
||
|
|
<a name="x2041180"></a>Telecommunication Standardization Sector (ITU-T)</dt>
|
||
|
|
<dd>Formerly known as the International Telegraph and Telephone Consultative
|
||
|
|
Committee (CCITT). As of March 1, 1993, recommendations from this group will
|
||
|
|
be known as ITU-T Recommendations. Recommendations made before March 1, 1993,
|
||
|
|
will continue to be known as CCITT Recommendations.</dd>
|
||
|
|
<dt id="x2041185" class="bold">
|
||
|
|
<a name="x2041185"></a>telephone call state</dt>
|
||
|
|
<dd>In telephony,
|
||
|
|
the condition of a telephone call that reflects what the past action on that
|
||
|
|
call has been and what the next set of actions may be.</dd>
|
||
|
|
<dt id="x2041190" class="bold">
|
||
|
|
<a name="x2041190"></a>telephony</dt>
|
||
|
|
<dd>The use or operation of
|
||
|
|
systems for the transmission of voice or data communications between separate
|
||
|
|
points.</dd>
|
||
|
|
<dt id="x2041195" class="bold">
|
||
|
|
<a name="x2041195"></a>Telnet</dt>
|
||
|
|
<dd>In TCP/IP, a protocol that
|
||
|
|
provides remote-terminal connection service. It allows users of one host to
|
||
|
|
log on to a remote host and interact as directly attached terminal users of
|
||
|
|
that host.</dd>
|
||
|
|
<dt id="x2041200" class="bold">
|
||
|
|
<a name="x2041200"></a>template</dt>
|
||
|
|
<dd>(1) In REXX, a guide that allows
|
||
|
|
strings to be parsed by words (delimited by blanks), by explicit matching
|
||
|
|
of strings, or by specifying numeric positions.</dd>
|
||
|
|
<dd>(2) An object used
|
||
|
|
to create new objects of the same type. The newly created object has the same
|
||
|
|
characteristics as the template.</dd>
|
||
|
|
<dd>(3) A pattern to help the user identify
|
||
|
|
the location of keys on a keyboard, functions assigned to keys on a keyboard,
|
||
|
|
or switches and lights on a control panel.</dd>
|
||
|
|
<dt id="x2041211" class="bold">
|
||
|
|
<a name="x2041211"></a>temporary group</dt>
|
||
|
|
<dd>A list of existing
|
||
|
|
calendars used to schedule items for a group of users in one step. The list
|
||
|
|
can be used in the current session only, after which the list is deleted.</dd>
|
||
|
|
<dt id="x2041216" class="bold">
|
||
|
|
<a name="x2041216"></a>temporary library</dt>
|
||
|
|
<dd>A library that
|
||
|
|
is automatically created for each job to contain temporary objects that are
|
||
|
|
created by the system for that job. The objects in the temporary library are
|
||
|
|
deleted when the job ends. The system name for temporary library is QTEMP.</dd>
|
||
|
|
<dt id="x2041221" class="bold">
|
||
|
|
<a name="x2041221"></a>temporary object</dt>
|
||
|
|
<dd>An object, such
|
||
|
|
as a data path or compiler work area, that is automatically deleted by the
|
||
|
|
system when the operating system is loaded.</dd>
|
||
|
|
<dt id="x2041226" class="bold">
|
||
|
|
<a name="x2041226"></a>temporary storage (TS)</dt>
|
||
|
|
<dd>The CICS® facility that
|
||
|
|
allows application programs to store data in a temporary storage queue for
|
||
|
|
later retrieval.</dd>
|
||
|
|
<dt id="x2041231" class="bold">
|
||
|
|
<a name="x2041231"></a>temporary-text-delay character (TTD character)</dt>
|
||
|
|
<dd>The BSC transmission control character that tells the receiving
|
||
|
|
station that there is a temporary delay in sending the data.</dd>
|
||
|
|
<dt id="x2041236" class="bold">
|
||
|
|
<a name="x2041236"></a>terabit (Tb)</dt>
|
||
|
|
<dd>For processor storage,
|
||
|
|
real and virtual storage, and channel volume, 2 to the power of 40 or 1 099
|
||
|
|
511 627 776 bits. For disk storage capacity and communications volume, 1 000
|
||
|
|
000 000 000 bits.</dd>
|
||
|
|
<dt id="x2041244" class="bold">
|
||
|
|
<a name="x2041244"></a>terabyte (TB)</dt>
|
||
|
|
<dd>For processor storage,
|
||
|
|
real and virtual storage, and channel volume, 2 to the 40th power or 1 099
|
||
|
|
511 627 776 bytes. For disk storage capacity and communications volume, 1
|
||
|
|
000 000 000 000 bytes.</dd>
|
||
|
|
<dt id="x2041252" class="bold">
|
||
|
|
<a name="x2041252"></a>teraspace</dt>
|
||
|
|
<dd>A one terabyte temporary
|
||
|
|
storage area that provides storage that is private to a process.</dd>
|
||
|
|
<dt id="x2041257" class="bold">
|
||
|
|
<a name="x2041257"></a>term</dt>
|
||
|
|
<dd>A string, symbol, or function
|
||
|
|
call contained within a REXX expression.</dd>
|
||
|
|
<dt id="x2041262" class="bold">
|
||
|
|
<a name="x2041262"></a>terminal adapter</dt>
|
||
|
|
<dd>A device that connects
|
||
|
|
a computer to an external digital communications line such as an integrated
|
||
|
|
services digital network (ISDN) line.</dd>
|
||
|
|
<dt id="x2041267" class="bold">
|
||
|
|
<a name="x2041267"></a>terminal control</dt>
|
||
|
|
<dd>In CICS, a facility
|
||
|
|
that handles addressing, and transmission error detection and correction for
|
||
|
|
terminals (displays and printers) associated with the local CICS system. It
|
||
|
|
also handles the intercommunication data queue used by CICS.</dd>
|
||
|
|
<dt id="x2041272" class="bold">
|
||
|
|
<a name="x2041272"></a>terminal control system entry (TCS)</dt>
|
||
|
|
<dd>A table defining the connections between CICS systems.</dd>
|
||
|
|
<dt id="x2203120" class="bold">
|
||
|
|
<a name="x2203120"></a>terminal control table (TCT)</dt>
|
||
|
|
<dd>A table
|
||
|
|
describing the terminals and logical units within a CICS network.</dd>
|
||
|
|
<dt id="x2041282" class="bold">
|
||
|
|
<a name="x2041282"></a>terminal control table user area (TCTUA)</dt>
|
||
|
|
<dd>An area used to pass information between application programs, but only
|
||
|
|
if the same terminal is associated with the application programs involved.</dd>
|
||
|
|
<dt id="x2041287" class="bold">
|
||
|
|
<a name="x2041287"></a>terminal end-point identifier (TEI)</dt>
|
||
|
|
<dd>A number to identify the end point to the ISDN. Normally, assignment of the
|
||
|
|
TEI can be done automatically by the ISDN.</dd>
|
||
|
|
<dt id="x2041292" class="bold">
|
||
|
|
<a name="x2041292"></a>terminal equipment (TE)</dt>
|
||
|
|
<dd>In an ISDN,
|
||
|
|
data terminal equipment (DTE) that provides the function necessary for the
|
||
|
|
operation of the access protocols by the user.</dd>
|
||
|
|
<dt id="x2041297" class="bold">
|
||
|
|
<a name="x2041297"></a>terminal equipment 1 (TE1)</dt>
|
||
|
|
<dd>Data terminal
|
||
|
|
equipment (DTE) with integrated ISDN support. In an ISDN, the iSeries system is
|
||
|
|
a TE1. See also <a href="rzaatt.htm#x2041302">terminal equipment 2</a>.</dd>
|
||
|
|
<dt id="x2041302" class="bold">
|
||
|
|
<a name="x2041302"></a>terminal equipment 2 (TE2)</dt>
|
||
|
|
<dd>Data terminal
|
||
|
|
equipment (DTE) without an ISDN interface. To communicate with other equipment
|
||
|
|
through an ISDN, this equipment must have the protocol converted to one that
|
||
|
|
can be recognized by the network. For example, a 7820 ISDN terminal adapter
|
||
|
|
may be used. See also <a href="rzaatt.htm#x2041297">terminal equipment 1</a>.</dd>
|
||
|
|
<dt id="x2041307" class="bold">
|
||
|
|
<a name="x2041307"></a>terminating plug</dt>
|
||
|
|
<dd>A part that ends
|
||
|
|
the cable path on a computer system. The terminating plug is attached to the
|
||
|
|
last disk, diskette, or tape unit in a series.</dd>
|
||
|
|
<dt id="x2041312" class="bold">
|
||
|
|
<a name="x2041312"></a>test</dt>
|
||
|
|
<dd>In communications, a data link
|
||
|
|
command or response used to perform a basic test of the station-to-station
|
||
|
|
link connection.</dd>
|
||
|
|
<dt id="x2041317" class="bold">
|
||
|
|
<a name="x2041317"></a>test condition</dt>
|
||
|
|
<dd>A statement that,
|
||
|
|
when taken as a whole, may be either true or false, depending on the circumstances
|
||
|
|
existing at the time the expression is evaluated.</dd>
|
||
|
|
<dt id="x2041322" class="bold">
|
||
|
|
<a name="x2041322"></a>test control (TC)</dt>
|
||
|
|
<dd>A signal sent by
|
||
|
|
the data terminal equipment (DTE) to the attached data-circuit terminating
|
||
|
|
equipment (DCE) to signal a testing mode.</dd>
|
||
|
|
<dt id="x2041327" class="bold">
|
||
|
|
<a name="x2041327"></a>test library</dt>
|
||
|
|
<dd>A user-defined library
|
||
|
|
used for debugging operations that does not contain objects needed for normal
|
||
|
|
processing. See also <a href="rzaatp.htm#x2034919">production library</a>.</dd>
|
||
|
|
<dt id="x2041332" class="bold">
|
||
|
|
<a name="x2041332"></a>test value</dt>
|
||
|
|
<dd>A value used to compare
|
||
|
|
for a specified condition.</dd>
|
||
|
|
<dt id="x2041337" class="bold">
|
||
|
|
<a name="x2041337"></a>text attribute</dt>
|
||
|
|
<dd>In the GDDM function, characteristics
|
||
|
|
of chart information, such as the color or type style.</dd>
|
||
|
|
<dt id="x2041342" class="bold">
|
||
|
|
<a name="x2041342"></a>text box</dt>
|
||
|
|
<dd>A box within a dialog box
|
||
|
|
into which a user can type information. The text box may be empty or may contain
|
||
|
|
default information when the dialog box first appears.</dd>
|
||
|
|
<dt id="x2041347" class="bold">
|
||
|
|
<a name="x2041347"></a>text index entry</dt>
|
||
|
|
<dd>An entry for a document
|
||
|
|
in the text search index database. The text index entry is used by the system
|
||
|
|
to locate documents when doing a text search.</dd>
|
||
|
|
<dt id="x2041352" class="bold">
|
||
|
|
<a name="x2041352"></a>text search index database</dt>
|
||
|
|
<dd>The database
|
||
|
|
files used by text search services for storing the significant words of documents.
|
||
|
|
These database files are used when a user requests a search of the document
|
||
|
|
library for one or more phrases.</dd>
|
||
|
|
<dt id="x2041357" class="bold">
|
||
|
|
<a name="x2041357"></a>text search services</dt>
|
||
|
|
<dd>The system support
|
||
|
|
that lets office users add, delete, and search for documents in the text search
|
||
|
|
index database.</dd>
|
||
|
|
<dt id="x2041362" class="bold">
|
||
|
|
<a name="x2041362"></a>text stream</dt>
|
||
|
|
<dd>In the C language, an
|
||
|
|
ordered sequence of characters where each sequence or line is ended with a
|
||
|
|
new line control sequence and consists of zero or more characters.</dd>
|
||
|
|
<dt id="x2041367" class="bold">
|
||
|
|
<a name="x2041367"></a>text transparency</dt>
|
||
|
|
<dd>In BSC, a method
|
||
|
|
of sending and receiving data containing any or all of the 256 character combinations
|
||
|
|
in EBCDIC in specific bit patterns, including transmission control characters.
|
||
|
|
Transmission control characters sent in the data are treated as specific bit
|
||
|
|
patterns, unless they are preceded by the DLE control character.</dd>
|
||
|
|
<dt id="x2041372" class="bold">
|
||
|
|
<a name="x2041372"></a>textual data</dt>
|
||
|
|
<dd>The collective term
|
||
|
|
for menus, displays, lists, prompts, options, online help information, and
|
||
|
|
messages.</dd>
|
||
|
|
<dt id="x2041385" class="bold">
|
||
|
|
<a name="x2041385"></a>TFTP</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042196">Trivial
|
||
|
|
File Transfer Protocol</a>.</dd>
|
||
|
|
<dt id="x2041389" class="bold">
|
||
|
|
<a name="x2041389"></a>TG</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041983">transmission
|
||
|
|
group</a>.</dd>
|
||
|
|
<dt id="x2210148" class="bold">
|
||
|
|
<a name="x2210148"></a>TGS</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2210146">ticket-granting
|
||
|
|
service</a>.</dd>
|
||
|
|
<dt id="x2210155" class="bold">
|
||
|
|
<a name="x2210155"></a>TGT</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041527">ticket-granting
|
||
|
|
ticket</a>.</dd>
|
||
|
|
<dt id="x2149133" class="bold">
|
||
|
|
<a name="x2149133"></a>TH</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041988">transmission
|
||
|
|
header</a>.</dd>
|
||
|
|
<dt id="x2048035" class="bold">
|
||
|
|
<a name="x2048035"></a>third generation language (3GL)</dt>
|
||
|
|
<dd>A high-level programming language that was designed to run on the third generation
|
||
|
|
of computer processors, built on integrated circuit technology roughly from
|
||
|
|
1965 to 1970. C, FORTRAN, Basic and Pascal are examples of third-generation
|
||
|
|
languages still in use today.</dd>
|
||
|
|
<dt id="x2041397" class="bold">
|
||
|
|
<a name="x2041397"></a>third party</dt>
|
||
|
|
<dd>A company that manufactures
|
||
|
|
and sells applications for use with a major manufacturer's computer or peripherals,
|
||
|
|
usually without any involvement from the major manufacturer.</dd>
|
||
|
|
<dt id="x2041402" class="bold">
|
||
|
|
<a name="x2041402"></a>third-party plug-in</dt>
|
||
|
|
<dd>In iSeries Navigator,
|
||
|
|
the support that allows users to install software from different vendors.</dd>
|
||
|
|
<dt id="x2041407" class="bold">
|
||
|
|
<a name="x2041407"></a>thousands separator</dt>
|
||
|
|
<dd>The character
|
||
|
|
(comma in the United States) placed every third number starting left of the
|
||
|
|
decimal point. For example, three thousands separators are used in the number:
|
||
|
|
641,322,974,821. Not every culture groups by thousands. In these cultures
|
||
|
|
the term digit grouping separator may be used.</dd>
|
||
|
|
<dt id="x2005144" class="bold">
|
||
|
|
<a name="x2005144"></a>thread</dt>
|
||
|
|
<dd>(1) A stream of computer instructions
|
||
|
|
that is in control of a process. A multithread process begins with one stream
|
||
|
|
of instructions (one thread) and may later create other instruction streams
|
||
|
|
to perform tasks.</dd>
|
||
|
|
<dd>(2) In the Integrated Language Environment® (ILE), the basic line of the running of a program.</dd>
|
||
|
|
<dd>(3) In some
|
||
|
|
operating systems, the smallest unit of operation to be performed in a process.</dd>
|
||
|
|
<dt id="x2041424" class="bold">
|
||
|
|
<a name="x2041424"></a>thread-capable</dt>
|
||
|
|
<dd>Pertaining to the
|
||
|
|
ability to create threads.</dd>
|
||
|
|
<dt id="x2041434" class="bold">
|
||
|
|
<a name="x2041434"></a>thread ID</dt>
|
||
|
|
<dd>The unique integral number
|
||
|
|
that can be used to identify a thread. Thread ID is sometimes used to describe
|
||
|
|
the pthread_t data type that represents the abstraction to a thread.</dd>
|
||
|
|
<dt id="x2041439" class="bold">
|
||
|
|
<a name="x2041439"></a>thread local storage (TLS)</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041455">thread-specific storage</a>.</dd>
|
||
|
|
<dt id="x2041443" class="bold">
|
||
|
|
<a name="x2041443"></a>thread private storage</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041455">thread-specific storage</a>.</dd>
|
||
|
|
<dt id="x2041447" class="bold">
|
||
|
|
<a name="x2041447"></a>threadsafe</dt>
|
||
|
|
<dd>(1) A function, macro, or
|
||
|
|
operating system service that can be called from multiple threads in a process
|
||
|
|
at the same time. See also <a href="rzaatt.htm#x2047714">thread unsafe</a>.</dd>
|
||
|
|
<dd>(2) A conditional form of thread safety.</dd>
|
||
|
|
<dt id="x2041455" class="bold">
|
||
|
|
<a name="x2041455"></a>thread-specific storage</dt>
|
||
|
|
<dd>Storage that
|
||
|
|
is not shared among threads, but can be accessed by all functions within that
|
||
|
|
thread. In the industry, also called thread private storage, thread local
|
||
|
|
storage, or TLS.</dd>
|
||
|
|
<dt id="x2047714" class="bold">
|
||
|
|
<a name="x2047714"></a>thread unsafe</dt>
|
||
|
|
<dd>A thread that cannot
|
||
|
|
be called from multiple threads. See also <a href="rzaatt.htm#x2041447">threadsafe</a>.</dd>
|
||
|
|
<dt id="x2041465" class="bold">
|
||
|
|
<a name="x2041465"></a>threshold</dt>
|
||
|
|
<dd>(1) In OSI, a user-specified
|
||
|
|
value that determines the frequency with which events will be reported. For
|
||
|
|
example, if a certain error threshold is set at 10, the error will not be
|
||
|
|
reported until the tenth occurrence of the error.</dd>
|
||
|
|
<dd>(2) A level set
|
||
|
|
in the system at which a message is sent or an error-handling program is called.
|
||
|
|
For example, in a user auxiliary storage pool, the user can set the threshold
|
||
|
|
level in the system values, and the system notifies the system operator when
|
||
|
|
that level is reached.</dd>
|
||
|
|
<dt id="x2041473" class="bold">
|
||
|
|
<a name="x2041473"></a>threshold analysis</dt>
|
||
|
|
<dd>In Backup Recovery
|
||
|
|
and Media Services, the comparison of actual media statistics to standard
|
||
|
|
industry statistics for that media.</dd>
|
||
|
|
<dt id="x2041478" class="bold">
|
||
|
|
<a name="x2041478"></a>threshold event</dt>
|
||
|
|
<dd>In OSI, an event
|
||
|
|
that occurs when a counter has reached its user-specified threshold. OSI Communications
|
||
|
|
Subsystem logs threshold events and generates messages to the operator about
|
||
|
|
these events.</dd>
|
||
|
|
<dt id="x2041483" class="bold">
|
||
|
|
<a name="x2041483"></a>threshold value</dt>
|
||
|
|
<dd>In the capacity planning
|
||
|
|
tool, a value used as a general guide for optimal resource utilization. If
|
||
|
|
resource utilization is above the threshold value, the resource performance
|
||
|
|
may be unacceptable. Threshold values are also available for the rate of synchronous
|
||
|
|
reads in the machine pool and for the sum of all pools. See also <a href="rzaatg.htm#x2024124">guideline value</a>.</dd>
|
||
|
|
<dt id="x2041488" class="bold">
|
||
|
|
<a name="x2041488"></a>throughput</dt>
|
||
|
|
<dd>(1) The measure of the amount
|
||
|
|
of work performed by a device, such as a computer or printer, over a period
|
||
|
|
of time, for example, number of jobs per day.</dd>
|
||
|
|
<dd>(2) In data communications,
|
||
|
|
the total traffic between stations over a period of time.</dd>
|
||
|
|
<dt id="x2041496" class="bold">
|
||
|
|
<a name="x2041496"></a>throughput class negotiation</dt>
|
||
|
|
<dd>(1) In X.25,
|
||
|
|
a packet-switching data network optional facility that allows the data terminal
|
||
|
|
equipment (DTE) to negotiate the speed at which its packets travel through
|
||
|
|
the packet-switching data network.</dd>
|
||
|
|
<dd>(2) In OSI, a network layer facility
|
||
|
|
that selects the speed with which data transmission requests are to be handled.</dd>
|
||
|
|
<dt id="x2041504" class="bold">
|
||
|
|
<a name="x2041504"></a>thunking</dt>
|
||
|
|
<dd>In iSeries Access, the
|
||
|
|
process that occurs when a 32-bit application calls a 32-bit application programming
|
||
|
|
interface that is implemented by a 16-bit component of the system.</dd>
|
||
|
|
<dt id="x2041509" class="bold">
|
||
|
|
<a name="x2041509"></a>tick</dt>
|
||
|
|
<dd>In Business Graphics Utility,
|
||
|
|
a reference point on either the vertical or horizontal axis of some chart
|
||
|
|
types that represents the location of specified data values.</dd>
|
||
|
|
<dt id="x2041514" class="bold">
|
||
|
|
<a name="x2041514"></a>ticket</dt>
|
||
|
|
<dd>In the Kerberos protocol,
|
||
|
|
a packet that contains encrypted data. This data can be used to prove that
|
||
|
|
the holder of the ticket has successfully authenticated with the authentication
|
||
|
|
server. A ticket can be decrypted only by the server for which it is issued.</dd>
|
||
|
|
<dt id="x2041522" class="bold">
|
||
|
|
<a name="x2041522"></a>ticket-granting server</dt>
|
||
|
|
<dd>A part of
|
||
|
|
the key distribution center (KDC) that generates service tickets. A principal
|
||
|
|
presents a ticket-granting ticket to the ticket-granting server when the principal
|
||
|
|
requests a service ticket. The ticket-granting server uses the ticket-granting
|
||
|
|
ticket to verify that the principal has authenticated to the authentication
|
||
|
|
server before it grants the request for a service ticket.</dd>
|
||
|
|
<dt id="x2210146" class="bold">
|
||
|
|
<a name="x2210146"></a>ticket-granting service (TGS)</dt>
|
||
|
|
<dd>A service
|
||
|
|
provided by the key distribution center (KDC) that issues service tickets.</dd>
|
||
|
|
<dt id="x2041527" class="bold">
|
||
|
|
<a name="x2041527"></a>ticket-granting ticket (TGT)</dt>
|
||
|
|
<dd>(1) A ticket
|
||
|
|
that allows access to the ticket granting service on the key distribution
|
||
|
|
center (KDC). Ticket granting tickets are passed to the principal by the KDC
|
||
|
|
after the principal has completed a successful request. In a Windows® 2000
|
||
|
|
environment, a user logs on to the network and the KDC will verify the principal's
|
||
|
|
name and encrypted password and then send a ticket granting ticket to the
|
||
|
|
user.</dd>
|
||
|
|
<dd>(2) A ticket that a principal passes to the ticket-granting
|
||
|
|
server when a service ticket is requested. The ticket-granting service uses
|
||
|
|
the ticket-granting ticket to verify that the principal has authenticated
|
||
|
|
to the authentication server before it grants the request for the service
|
||
|
|
ticket.</dd>
|
||
|
|
<dt id="x2041532" class="bold">
|
||
|
|
<a name="x2041532"></a>TIE</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041153">technical
|
||
|
|
information exchange</a>.</dd>
|
||
|
|
<dt id="x2005162" class="bold">
|
||
|
|
<a name="x2005162"></a>time</dt>
|
||
|
|
<dd>A three-part value that designates
|
||
|
|
a time of day in hours, minutes, and seconds.</dd>
|
||
|
|
<dt id="x2005167" class="bold">
|
||
|
|
<a name="x2005167"></a>time duration</dt>
|
||
|
|
<dd>A decimal number that
|
||
|
|
represents a number of hours, minutes, and seconds.</dd>
|
||
|
|
<dt id="x2041544" class="bold">
|
||
|
|
<a name="x2041544"></a>time-independent messaging</dt>
|
||
|
|
<dd>See <a href="rzaata.htm#x2178856">asynchronous messaging</a>. See also <a href="rzaats.htm#x2040498">synchronous messaging</a>.</dd>
|
||
|
|
<dt id="x2041549" class="bold">
|
||
|
|
<a name="x2041549"></a>timemark</dt>
|
||
|
|
<dd>A specific period of time
|
||
|
|
that is allowed by the Telnet server to verify that a connection is still
|
||
|
|
active.</dd>
|
||
|
|
<dt id="x2005177" class="bold">
|
||
|
|
<a name="x2005177"></a>timeout</dt>
|
||
|
|
<dd>(1) A time interval that is allotted
|
||
|
|
for an event to occur or complete before operation is interrupted.</dd>
|
||
|
|
<dd>(2) An event that occurs at the end of a predetermined period of time that
|
||
|
|
began at the occurrence of another specified event.</dd>
|
||
|
|
<dt id="x2041580" class="bold">
|
||
|
|
<a name="x2041580"></a>timer-related event</dt>
|
||
|
|
<dd>A CICS interval control
|
||
|
|
function that is used to support events that are delayed, suspended, or restarted
|
||
|
|
after a time interval.</dd>
|
||
|
|
<dt id="x2041585" class="bold">
|
||
|
|
<a name="x2041585"></a>time sharing</dt>
|
||
|
|
<dd>Sharing computer time
|
||
|
|
and resources.</dd>
|
||
|
|
<dt id="x2041595" class="bold">
|
||
|
|
<a name="x2041595"></a>time slice</dt>
|
||
|
|
<dd>The amount of processor
|
||
|
|
time (specified in milliseconds) allowed for a job before other waiting jobs
|
||
|
|
of equal priority are allowed to process data.</dd>
|
||
|
|
<dt id="x2041600" class="bold">
|
||
|
|
<a name="x2041600"></a>time slicing</dt>
|
||
|
|
<dd>A mechanism that preempts
|
||
|
|
running threads at fixed intervals. This ensures that every thread is allowed
|
||
|
|
time to execute.</dd>
|
||
|
|
<dt id="x2041605" class="bold">
|
||
|
|
<a name="x2041605"></a>time stamp</dt>
|
||
|
|
<dd>The value of an object
|
||
|
|
that indicates the system time at some critical point in the object's history.</dd>
|
||
|
|
<dt id="x2005187" class="bold">
|
||
|
|
<a name="x2005187"></a>timestamp duration</dt>
|
||
|
|
<dd>A DECIMAL (20,6)
|
||
|
|
value that represents a number of years, months, days, hours, minutes, seconds,
|
||
|
|
and microseconds.</dd>
|
||
|
|
<dt id="x2312768" class="bold">
|
||
|
|
<a name="x2312768"></a>time to live</dt>
|
||
|
|
<dd>The time interval in
|
||
|
|
seconds that an entry can exist in the cache before the name server discards
|
||
|
|
it.</dd>
|
||
|
|
<dt id="x2041625" class="bold">
|
||
|
|
<a name="x2041625"></a>TIMI</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041158">technology-independent
|
||
|
|
machine interface</a>.</dd>
|
||
|
|
<dt id="x2041629" class="bold">
|
||
|
|
<a name="x2041629"></a>title</dt>
|
||
|
|
<dd>In OSI, a permanent identifier
|
||
|
|
for an object.</dd>
|
||
|
|
<dt id="x2041634" class="bold">
|
||
|
|
<a name="x2041634"></a>title bar</dt>
|
||
|
|
<dd>The area at the top of
|
||
|
|
each window that contains the system-menu symbol or the name of the window.
|
||
|
|
In iSeries Access for Windows, the title bar may also contains
|
||
|
|
a Control-menu box and the maximize and minimize buttons.</dd>
|
||
|
|
<dt id="x2041643" class="bold">
|
||
|
|
<a name="x2041643"></a>TLS</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041439">thread
|
||
|
|
local storage</a>.</dd>
|
||
|
|
<dt id="x2041647" class="bold">
|
||
|
|
<a name="x2041647"></a>toggle</dt>
|
||
|
|
<dd>(1) To switch between two modes
|
||
|
|
on a computer or network; for example, to switch between data entry and command
|
||
|
|
entry modes or between stand-alone operation and device emulation.</dd>
|
||
|
|
<dd>(2) Pertaining to a switching device, such as a toggle key on a keyboard,
|
||
|
|
that allows a user to switch between two types of operations.</dd>
|
||
|
|
<dt id="x2005306" class="bold">
|
||
|
|
<a name="x2005306"></a>token</dt>
|
||
|
|
<dd>(1) A particular message or bit
|
||
|
|
pattern that signifies permission or temporary control to transmit on a network.
|
||
|
|
See also <a href="rzaatt.htm#x2313137">token-ring network</a>.</dd>
|
||
|
|
<dd>(2) The basic
|
||
|
|
syntactic unit of a computing language. Tokens include defined keywords, operator
|
||
|
|
characters, data, special characters, and other parts of a language syntax.</dd>
|
||
|
|
<dd>(3) In OSI, an attribute of a connection. The token is dynamically
|
||
|
|
assigned to one session-service user at a time to permit certain services
|
||
|
|
to be called. Tokens are a session layer concept.</dd>
|
||
|
|
<dt id="x2041671" class="bold">
|
||
|
|
<a name="x2041671"></a>token bucket</dt>
|
||
|
|
<dd>A mechanism that controls
|
||
|
|
data flow. As an application requests permission into a network, the token
|
||
|
|
bucket adds characters (or tokens) into a buffer (or bucket). If enough room
|
||
|
|
is available for all the tokens in the bucket, the application is allowed
|
||
|
|
to enter the network.</dd>
|
||
|
|
<dt id="x2041676" class="bold">
|
||
|
|
<a name="x2041676"></a>token highlighting</dt>
|
||
|
|
<dd>A function of
|
||
|
|
CoOperative Development Environment/400 that allows a user to view different
|
||
|
|
programming language tokens in different colors or type styles.</dd>
|
||
|
|
<dt id="x2313137" class="bold">
|
||
|
|
<a name="x2313137"></a>token-ring network (TRLAN)</dt>
|
||
|
|
<dd>A local
|
||
|
|
area network that connects devices in a ring topology and allows unidirectional
|
||
|
|
data transmission between devices by a token-passing procedure. A device must
|
||
|
|
receive a token before it can transmit data. See also <a href="rzaatt.htm#x2005306">token</a>.</dd>
|
||
|
|
<dt id="x2041686" class="bold">
|
||
|
|
<a name="x2041686"></a>token type</dt>
|
||
|
|
<dd>In CoOperative Development
|
||
|
|
Environment/400, a token or set of tokens having a similar characteristic
|
||
|
|
or function, and assigned the same display attributes by the CoOperative Development
|
||
|
|
Environment/400 program.</dd>
|
||
|
|
<dt id="x2041691" class="bold">
|
||
|
|
<a name="x2041691"></a>toolbar</dt>
|
||
|
|
<dd>In a graphical user interface,
|
||
|
|
a horizontal row or a vertical column of buttons used to select desktop or
|
||
|
|
application functions.</dd>
|
||
|
|
<dt id="x2041696" class="bold">
|
||
|
|
<a name="x2041696"></a>topic</dt>
|
||
|
|
<dd>In dynamic data exchange (DDE),
|
||
|
|
the data that is to be exchanged within a DDE conversation.</dd>
|
||
|
|
<dt id="x2041706" class="bold">
|
||
|
|
<a name="x2041706"></a>topology</dt>
|
||
|
|
<dd>The physical or logical
|
||
|
|
arrangement of nodes in a network, especially the relationships among nodes
|
||
|
|
and the links between them.</dd>
|
||
|
|
<dt id="x2041722" class="bold">
|
||
|
|
<a name="x2041722"></a>topology manager</dt>
|
||
|
|
<dd>A function of the
|
||
|
|
Managed System Services program that is responsible for collecting topology
|
||
|
|
information from nodes and clients in the network. The topology manager can
|
||
|
|
reside on any system in the network; however, this system is most likely to
|
||
|
|
be the central site system.</dd>
|
||
|
|
<dt id="x2041731" class="bold">
|
||
|
|
<a name="x2041731"></a>total accumulator</dt>
|
||
|
|
<dd>In DFU, a storage
|
||
|
|
area where final totals for a field are kept. See also <a href="rzaatb.htm#x2015219">batch accumulator</a>.</dd>
|
||
|
|
<dt id="x2041736" class="bold">
|
||
|
|
<a name="x2041736"></a>total record</dt>
|
||
|
|
<dd>In RPG, an output record
|
||
|
|
written after a group of detail records. Total records generally contain data
|
||
|
|
that is the result of calculations performed on the information in a group
|
||
|
|
of detail records. See also <a href="rzaatd.htm#x2020281">detail record</a>.</dd>
|
||
|
|
<dt id="x2041741" class="bold">
|
||
|
|
<a name="x2041741"></a>total time</dt>
|
||
|
|
<dd>The part of the RPG program
|
||
|
|
cycle in which calculation and output operations specified for a group of
|
||
|
|
records are done. See also <a href="rzaatd.htm#x2020299">detail time</a>.</dd>
|
||
|
|
<dt id="x2009694" class="bold">
|
||
|
|
<a name="x2009694"></a>TP</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2005349">transaction
|
||
|
|
program</a>.</dd>
|
||
|
|
<dt id="x2041756" class="bold">
|
||
|
|
<a name="x2041756"></a>TPDU</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042074">transport-layer
|
||
|
|
protocol data unit</a>.</dd>
|
||
|
|
<dt id="x2041764" class="bold">
|
||
|
|
<a name="x2041764"></a>TPN</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2005354">transaction
|
||
|
|
program name</a>.</dd>
|
||
|
|
<dt id="x2005316" class="bold">
|
||
|
|
<a name="x2005316"></a>trace</dt>
|
||
|
|
<dd>(1) A facility that provides the
|
||
|
|
ability to collect monitoring, auditing, and performance data for an application
|
||
|
|
or system.</dd>
|
||
|
|
<dd>(2) A record of the processing of a computer program. It
|
||
|
|
exhibits the sequences in which the instructions were processed.</dd>
|
||
|
|
<dt id="x2041779" class="bold">
|
||
|
|
<a name="x2041779"></a>track</dt>
|
||
|
|
<dd>A circular path on the surface
|
||
|
|
of a disk or diskette on which information is magnetically recorded and from
|
||
|
|
which recorded information is read.</dd>
|
||
|
|
<dt id="x2041784" class="bold">
|
||
|
|
<a name="x2041784"></a>Traditional Chinese</dt>
|
||
|
|
<dd>The Chinese character
|
||
|
|
set expressed in traditional form. Traditional Chinese characters are used
|
||
|
|
in Taiwan, China (Hong Kong S.A.R. of the PRC), and some other parts of the
|
||
|
|
world.</dd>
|
||
|
|
<dt id="x2041789" class="bold">
|
||
|
|
<a name="x2041789"></a>Traditional Chinese double-byte character set</dt>
|
||
|
|
<dd>An IBM-defined DBCS for Traditional Chinese, consisting of Traditional
|
||
|
|
Chinese non-Chinese set, primary set, secondary set, and up to 2,632 user-definable
|
||
|
|
characters.</dd>
|
||
|
|
<dt id="x2041794" class="bold">
|
||
|
|
<a name="x2041794"></a>Traditional Chinese non-Chinese character set</dt>
|
||
|
|
<dd>A subset of the Traditional Chinese DBCS, consisting of non-Chinese
|
||
|
|
characters, such as Greek, Russian, Roman numeric, alphanumeric and related
|
||
|
|
symbols, Katakana, Hiragana, special symbols and Chinese phonetic symbols.
|
||
|
|
There are 675 characters in this set.</dd>
|
||
|
|
<dt id="x2041799" class="bold">
|
||
|
|
<a name="x2041799"></a>Traditional Chinese primary character set</dt>
|
||
|
|
<dd>A subset of the Traditional Chinese DBCS, consisting of commonly used
|
||
|
|
Chinese characters. There are 5,401 characters in this set.</dd>
|
||
|
|
<dt id="x2041804" class="bold">
|
||
|
|
<a name="x2041804"></a>Traditional Chinese secondary character set</dt>
|
||
|
|
<dd>A subset of the Traditional Chinese DBCS, consisting of less commonly
|
||
|
|
used Chinese characters. There are 7,652 characters in this set.</dd>
|
||
|
|
<dt id="x2041809" class="bold">
|
||
|
|
<a name="x2041809"></a>traditional file management</dt>
|
||
|
|
<dd>The part
|
||
|
|
of the operating system that controls the storing and accessing of traditional
|
||
|
|
file objects (*FILE objects in the QSYS.LIB library) on iSeries. The data
|
||
|
|
may be on internal storage (for example, database objects), on external media
|
||
|
|
(diskette, tape, or printer objects), or on another system.</dd>
|
||
|
|
<dt id="x2041814" class="bold">
|
||
|
|
<a name="x2041814"></a>traffic conditioning</dt>
|
||
|
|
<dd>In QoS, control
|
||
|
|
functions that are performed to enforce rules specified in a traffic conditioning
|
||
|
|
agreement. Types of traffic conditioning include metering, marking, shaping,
|
||
|
|
and policing.</dd>
|
||
|
|
<dt id="x2041819" class="bold">
|
||
|
|
<a name="x2041819"></a>traffic profile</dt>
|
||
|
|
<dd>In QoS, a description
|
||
|
|
of the temporal properties of a traffic stream such as rate and burst size.</dd>
|
||
|
|
<dt id="x2041824" class="bold">
|
||
|
|
<a name="x2041824"></a>traffic shaping</dt>
|
||
|
|
<dd>In QoS, a group of
|
||
|
|
techniques that attempt to regulate or meter the flow of packets through the
|
||
|
|
network.</dd>
|
||
|
|
<dt id="x2005321" class="bold">
|
||
|
|
<a name="x2005321"></a>transaction</dt>
|
||
|
|
<dd>(1) A 4-character code (called
|
||
|
|
a tranid) recognized by CICS. Once a user invokes a transaction by initiating
|
||
|
|
the code, CICS locates the associated application, loads it into storage, and begins
|
||
|
|
a task.</dd>
|
||
|
|
<dd>(2) In performance, a unit of work used to express the throughput
|
||
|
|
of a workload or to request the estimated response time.</dd>
|
||
|
|
<dd>(3) In DB2® UDB
|
||
|
|
for iSeries, the work that occurs between begin unit of work and commit or
|
||
|
|
rollback. A transaction defines the set of operations that is part of an integral
|
||
|
|
set.</dd>
|
||
|
|
<dd>(4) A unit of processing consisting of one or more application
|
||
|
|
programs, affecting one or more objects, that is initiated by a single request,
|
||
|
|
often from a terminal.</dd>
|
||
|
|
<dd>(5) An exchange between a workstation and a
|
||
|
|
program, two workstations, or two programs that accomplish a particular action
|
||
|
|
or result. An example is the entry of a customer's deposit and the update
|
||
|
|
of the customer's balance. See also <a href="rzaatc.htm#x2000957">conversation</a>, <a href="rzaats.htm#x2004539">session</a>.</dd>
|
||
|
|
<dt id="x2041850" class="bold">
|
||
|
|
<a name="x2041850"></a>transaction code</dt>
|
||
|
|
<dd>For the IMS™ subsystem, the
|
||
|
|
first 1 to 8 characters of the first segment of a message sent to IMS/VS.
|
||
|
|
The transaction code identifies the application program for which the message
|
||
|
|
is intended.</dd>
|
||
|
|
<dt id="x2041855" class="bold">
|
||
|
|
<a name="x2041855"></a>transaction dump</dt>
|
||
|
|
<dd>In CICS, a formatted
|
||
|
|
dump for the program active at the time the dump was requested. A transaction
|
||
|
|
dump indicates where the error occurred within the program.</dd>
|
||
|
|
<dt id="x2041860" class="bold">
|
||
|
|
<a name="x2041860"></a>transaction file</dt>
|
||
|
|
<dd>(1) A file containing
|
||
|
|
data, such as customer orders, that is usually used only with a master file.</dd>
|
||
|
|
<dd>(2) In COBOL, an input-output file used to communicate with display
|
||
|
|
stations and ICF sessions.</dd>
|
||
|
|
<dt id="x2005349" class="bold">
|
||
|
|
<a name="x2005349"></a>transaction program (TP)</dt>
|
||
|
|
<dd>(1) A user-supplied
|
||
|
|
application program for processing data received by the system from a finance
|
||
|
|
device.</dd>
|
||
|
|
<dd>(2) A program that processes transactions in an SNA network.</dd>
|
||
|
|
<dt id="x2005354" class="bold">
|
||
|
|
<a name="x2005354"></a>transaction program name (TPN)</dt>
|
||
|
|
<dd>The
|
||
|
|
name by which each program participating in an LU 6.2 conversation is known.
|
||
|
|
Normally, the initiator of a connection identifies the name of the program
|
||
|
|
it connects to at the other LU. When used in conjunction with an LU name,
|
||
|
|
a TPN identifies a specific transaction program in the network.</dd>
|
||
|
|
<dt id="x2041871" class="bold">
|
||
|
|
<a name="x2041871"></a>transaction program network</dt>
|
||
|
|
<dd>The hierarchical
|
||
|
|
structure of user or system transaction programs communicating at a synchronization
|
||
|
|
level of none, confirm, or commit. When the synchronization level is commit,
|
||
|
|
the transaction programs communicate over protected conversations using the
|
||
|
|
two-phase commit protocol. In this case, the hierarchy consists of an initiator,
|
||
|
|
optionally one or more cascaded initiators, and agents.</dd>
|
||
|
|
<dt id="x2041882" class="bold">
|
||
|
|
<a name="x2041882"></a>transaction routing</dt>
|
||
|
|
<dd>A CICS facility that
|
||
|
|
provides support for inbound and outbound terminal requests from another CICS system connected by an advanced program-to-program communications (APPC)
|
||
|
|
link.</dd>
|
||
|
|
<dt id="x2041887" class="bold">
|
||
|
|
<a name="x2041887"></a>transceiver</dt>
|
||
|
|
<dd>In communications, the
|
||
|
|
device that connects the transceiver cable to the Ethernet coaxial cable.
|
||
|
|
The transceiver is used to transmit and receive data.</dd>
|
||
|
|
<dt id="x2041892" class="bold">
|
||
|
|
<a name="x2041892"></a>transceiver cable</dt>
|
||
|
|
<dd>In communications,
|
||
|
|
the cable along with its connectors that connects the input/output adapter
|
||
|
|
to the transceiver.</dd>
|
||
|
|
<dt id="x2041897" class="bold">
|
||
|
|
<a name="x2041897"></a>transfer mode</dt>
|
||
|
|
<dd>Aspects covering transmission,
|
||
|
|
multiplexing, and switching in a communications network.</dd>
|
||
|
|
<dt id="x2041902" class="bold">
|
||
|
|
<a name="x2041902"></a>transfer request</dt>
|
||
|
|
<dd>In iSeries Access, a
|
||
|
|
description of the file you want to transfer to your personal computer from i5/OS or from your personal computer to i5/OS.</dd>
|
||
|
|
<dt id="x2041907" class="bold">
|
||
|
|
<a name="x2041907"></a>transfer syntax</dt>
|
||
|
|
<dd>In OSI, a set of
|
||
|
|
rules for the representation of user information while it is in transit between
|
||
|
|
presentation layer entities. The transfer syntax is usually derived from the
|
||
|
|
abstract syntax by use of encoding rules. See also <a href="rzaata.htm#x2012741">abstract syntax</a>.</dd>
|
||
|
|
<dt id="x2041915" class="bold">
|
||
|
|
<a name="x2041915"></a>transform</dt>
|
||
|
|
<dd>(1) In a virtual private network
|
||
|
|
(VPN), a collection of authentication algorithms, Diffie-Hellman groups, and
|
||
|
|
encryption algorithms that are used during both phases of negotiation.</dd>
|
||
|
|
<dd>(2) To change the composition of a data stream (AFP™) to perform the same functions in a different
|
||
|
|
data stream (ASCII).</dd>
|
||
|
|
<dt id="x2005364" class="bold">
|
||
|
|
<a name="x2005364"></a>transformer</dt>
|
||
|
|
<dd>A device that converts
|
||
|
|
power from one circuit to another at the same frequency, but at a changed
|
||
|
|
voltage and current.</dd>
|
||
|
|
<dt id="x2041927" class="bold">
|
||
|
|
<a name="x2041927"></a>transform service</dt>
|
||
|
|
<dd>A function of the i5/OS operating system that converts PostScript Level 1 spooled files to output.
|
||
|
|
This output can be printed on either IBM Advanced Function printers (i5/OS system printers)
|
||
|
|
or Hewlett Packard Printer Control Language printers (commonly used PC printers).</dd>
|
||
|
|
<dt id="x2041932" class="bold">
|
||
|
|
<a name="x2041932"></a>transient data (TD)</dt>
|
||
|
|
<dd>A CICS facility that
|
||
|
|
provides the ability to read and write data in sequential queues.</dd>
|
||
|
|
<dt id="x2041937" class="bold">
|
||
|
|
<a name="x2041937"></a>transient error</dt>
|
||
|
|
<dd>In OSI, an error
|
||
|
|
that occurs once or at unpredictable intervals--for example, network congestion.
|
||
|
|
See also <a href="rzaatp.htm#x2033537">permanent error</a>.</dd>
|
||
|
|
<dt id="x2041942" class="bold">
|
||
|
|
<a name="x2041942"></a>transient event</dt>
|
||
|
|
<dd>In OSI, an event
|
||
|
|
that indicates the occurrence of an intermittent error or an error that can
|
||
|
|
be recovered through retry. Transient events are logged but do not result
|
||
|
|
in messages to the operator. See also <a href="rzaatp.htm#x2033545">permanent event</a>.</dd>
|
||
|
|
<dt id="x2041947" class="bold">
|
||
|
|
<a name="x2041947"></a>transit delay processing</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
an X.25 quality-of-service function that keeps track of delays that data encounters
|
||
|
|
on the way to its destination. Any node that receives a call packet can reject
|
||
|
|
it if the transit delay exceeds the maximum specified by the sender.</dd>
|
||
|
|
<dt id="x2041952" class="bold">
|
||
|
|
<a name="x2041952"></a>translator</dt>
|
||
|
|
<dd>An i5/OS component that
|
||
|
|
performs the final step in a program or module compilation. In the Integrated Language Environment (ILE) model, this is called the optimizing translator.</dd>
|
||
|
|
<dt id="x2069214" class="bold">
|
||
|
|
<a name="x2069214"></a>transmission control character</dt>
|
||
|
|
<dd>In
|
||
|
|
data communications, a special character that can be included in a message
|
||
|
|
to control communications over a data link. For example, the sending station
|
||
|
|
and the receiving station use transmission control characters to exchange
|
||
|
|
information; the receiving station uses transmission control characters to
|
||
|
|
indicate errors in data it receives.</dd>
|
||
|
|
<dt id="x2041962" class="bold">
|
||
|
|
<a name="x2041962"></a>transmission control layer</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
the layer within a half-session that synchronizes and controls the speed of
|
||
|
|
session-level data traffic, checks sequence numbers of requests, and enciphers
|
||
|
|
and deciphers end-user data.</dd>
|
||
|
|
<dt id="x2041973" class="bold">
|
||
|
|
<a name="x2041973"></a>Transmission Control Protocol (TCP)</dt>
|
||
|
|
<dd>A communications protocol used in the Internet and in any network that follows
|
||
|
|
the Internet Engineering Task Force (IETF) standards for internetwork protocol.
|
||
|
|
TCP provides a reliable host-to-host protocol between hosts in packet-switched
|
||
|
|
communications networks and in interconnected systems of such networks. It
|
||
|
|
uses the Internet Protocol (IP) as the underlying protocol. See also <a href="rzaati.htm#x2002574">Internet Protocol</a>.</dd>
|
||
|
|
<dt id="x2005379" class="bold">
|
||
|
|
<a name="x2005379"></a>Transmission Control Protocol/Internet Protocol
|
||
|
|
(TCP/IP)</dt>
|
||
|
|
<dd>An industry-standard nonproprietary set of communications
|
||
|
|
protocols that provide reliable end-to-end connections between applications
|
||
|
|
over interconnected networks of different types.</dd>
|
||
|
|
<dt id="x2041978" class="bold">
|
||
|
|
<a name="x2041978"></a>transmission executive</dt>
|
||
|
|
<dd>A part of
|
||
|
|
the DSNX/PC licensed program that runs on the personal computer to control
|
||
|
|
and handle requests and to create responses for DSNX.</dd>
|
||
|
|
<dt id="x2041983" class="bold">
|
||
|
|
<a name="x2041983"></a>transmission group (TG)</dt>
|
||
|
|
<dd>In SNA, a
|
||
|
|
group of links between directly attached nodes appearing as a single logical
|
||
|
|
link for routing messages. A transmission group may consist of one or more
|
||
|
|
SDLC links (parallel links) or of a single System/370™ channel. For type 2.1 nodes in iSeries networks, a transmission group can only be a single-link connection.</dd>
|
||
|
|
<dt id="x2041988" class="bold">
|
||
|
|
<a name="x2041988"></a>transmission header (TH)</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
control information, optionally followed by a basic information unit or a
|
||
|
|
basic information unit segment, that is created and used by path control to
|
||
|
|
route messages within the network.</dd>
|
||
|
|
<dt id="x2041993" class="bold">
|
||
|
|
<a name="x2041993"></a>transmission medium</dt>
|
||
|
|
<dd>In communications,
|
||
|
|
the physical path between transmitters and receivers in a communications network,
|
||
|
|
such as an Ethernet bus or a token ring.</dd>
|
||
|
|
<dt id="x2041998" class="bold">
|
||
|
|
<a name="x2041998"></a>transmission queue</dt>
|
||
|
|
<dd>A local queue
|
||
|
|
on which prepared messages destined for a remote queue manager are temporarily
|
||
|
|
stored.</dd>
|
||
|
|
<dt id="x2042008" class="bold">
|
||
|
|
<a name="x2042008"></a>transmission services (TS)</dt>
|
||
|
|
<dd>A switched,
|
||
|
|
nonswitched, or packet-switched communications line provided by a vendor.</dd>
|
||
|
|
<dt id="x2042003" class="bold">
|
||
|
|
<a name="x2042003"></a>transmission services profile (TS profile)</dt>
|
||
|
|
<dd>In SNA, specified in a request to start a session. Each defined transmission
|
||
|
|
services profile is identified by a number.</dd>
|
||
|
|
<dt id="x2042018" class="bold">
|
||
|
|
<a name="x2042018"></a>transparency</dt>
|
||
|
|
<dd>(1) In asynchronous communications,
|
||
|
|
a method of hiding certain ASCII control characters from modems or asynchronous
|
||
|
|
devices.</dd>
|
||
|
|
<dd>(2) See <a href="rzaatt.htm#x2042034">transparent text mode</a>.</dd>
|
||
|
|
<dd>(3) A picture or text on an acetate sheet designed to be viewed by
|
||
|
|
light shining through it.</dd>
|
||
|
|
<dt id="x2042029" class="bold">
|
||
|
|
<a name="x2042029"></a>transparent data</dt>
|
||
|
|
<dd>Data that can contain
|
||
|
|
any hexadecimal value.</dd>
|
||
|
|
<dt id="x2042034" class="bold">
|
||
|
|
<a name="x2042034"></a>transparent text mode</dt>
|
||
|
|
<dd>In binary synchronous
|
||
|
|
communications, a method of transmission in which only transmission control
|
||
|
|
characters preceded by the DLE control character are processed as transmission
|
||
|
|
control characters.</dd>
|
||
|
|
<dt id="x2042044" class="bold">
|
||
|
|
<a name="x2042044"></a>transport class 0 (class 0)</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the simplest of five classes of service (0-4) or protocols defined in the
|
||
|
|
transport layer. (I)</dd>
|
||
|
|
<dt id="x2042049" class="bold">
|
||
|
|
<a name="x2042049"></a>transport class 2 (class 2)</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the transport layer class that provides an intermediate level of service.</dd>
|
||
|
|
<dt id="x2042054" class="bold">
|
||
|
|
<a name="x2042054"></a>transport class 4 (class 4)</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the most complex of five classes of service (0-4) or protocols defined in
|
||
|
|
the transport layer. (I)</dd>
|
||
|
|
<dt id="x2042039" class="bold">
|
||
|
|
<a name="x2042039"></a>transport class negotiation</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the process by which the peer application entities decide the Transport Layer
|
||
|
|
class to use on an association.</dd>
|
||
|
|
<dt id="x2042064" class="bold">
|
||
|
|
<a name="x2042064"></a>transport layer</dt>
|
||
|
|
<dd>In OSI architecture,
|
||
|
|
the layer that provides services for flow control and recovery between open
|
||
|
|
systems with a predictable quality of service. (T)</dd>
|
||
|
|
<dt id="x2042074" class="bold">
|
||
|
|
<a name="x2042074"></a>transport-layer protocol data unit (TPDU)</dt>
|
||
|
|
<dd>In OSI, a protocol data unit in the transport layer. (I)</dd>
|
||
|
|
<dt id="x2042079" class="bold">
|
||
|
|
<a name="x2042079"></a>transport-layer service access point (TSAP)</dt>
|
||
|
|
<dd>In OSI, a service access point in the transport layer. (I)</dd>
|
||
|
|
<dt id="x2042084" class="bold">
|
||
|
|
<a name="x2042084"></a>transport-layer service data unit (TSDU)</dt>
|
||
|
|
<dd>In OSI, a unit of data transferred between the session layer and the
|
||
|
|
transport layer.</dd>
|
||
|
|
<dt id="x2042089" class="bold">
|
||
|
|
<a name="x2042089"></a>transport mode</dt>
|
||
|
|
<dd>In the OSI Communications
|
||
|
|
Subsystem licensed program, a set of values that determine the transport layer
|
||
|
|
functions to be used on an association.</dd>
|
||
|
|
<dt id="x2042094" class="bold">
|
||
|
|
<a name="x2042094"></a>transport mode name</dt>
|
||
|
|
<dd>In OSI, the name
|
||
|
|
of a transport mode to be used for an association. The network administrator
|
||
|
|
specifies the transport mode name on an application mode.</dd>
|
||
|
|
<dt id="x2042099" class="bold">
|
||
|
|
<a name="x2042099"></a>transport protocol</dt>
|
||
|
|
<dd>A specification
|
||
|
|
of the rules that govern the exchange of information between components of
|
||
|
|
a transport network; for example, the User Datagram Protocol (UDP).</dd>
|
||
|
|
<dt id="x2042104" class="bold">
|
||
|
|
<a name="x2042104"></a>trap</dt>
|
||
|
|
<dd>(1) In REXX, to recognize that a
|
||
|
|
currently enabled condition occurred and to perform the CALL or SIGNAL instruction
|
||
|
|
specified when the condition trap was enabled.</dd>
|
||
|
|
<dd>(2) An unsolicited
|
||
|
|
event generated by an agent and forwarded to a manager. Traps inform the manager
|
||
|
|
of changes that occur in the network.</dd>
|
||
|
|
<dt id="x2042113" class="bold">
|
||
|
|
<a name="x2042113"></a>TRC</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2136550">table
|
||
|
|
reference character</a>.</dd>
|
||
|
|
<dt id="x2042117" class="bold">
|
||
|
|
<a name="x2042117"></a>tree view</dt>
|
||
|
|
<dd>A view that provides a
|
||
|
|
hierarchical view of an object and the objects that it contains.</dd>
|
||
|
|
<dt id="x2042122" class="bold">
|
||
|
|
<a name="x2042122"></a>T reference point</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, the interface between network termination 2 (NT2) and network termination
|
||
|
|
1 (NT1).</dd>
|
||
|
|
<dt id="x2042127" class="bold">
|
||
|
|
<a name="x2042127"></a>tributary station</dt>
|
||
|
|
<dd>In data communications,
|
||
|
|
a secondary device on a multipoint line.</dd>
|
||
|
|
<dt id="x2005384" class="bold">
|
||
|
|
<a name="x2005384"></a>trigger</dt>
|
||
|
|
<dd>In database technology, a
|
||
|
|
program that is automatically called whenever a specified action is performed
|
||
|
|
on a specific table or view.</dd>
|
||
|
|
<dt id="x2042135" class="bold">
|
||
|
|
<a name="x2042135"></a>trigger action</dt>
|
||
|
|
<dd>A set of actions (high-level
|
||
|
|
language statements, SQL statements, or i5/OS utilities) that are performed automatically
|
||
|
|
when a specified change operation (trigger event) occurs on a specified table
|
||
|
|
or file.</dd>
|
||
|
|
<dt id="x2005433" class="bold">
|
||
|
|
<a name="x2005433"></a>trigger event</dt>
|
||
|
|
<dd>(1) An event, such as a
|
||
|
|
message arriving on a queue, that causes a queue manager to create a trigger
|
||
|
|
message on an initiation queue.</dd>
|
||
|
|
<dd>(2) A change operation that calls
|
||
|
|
the trigger action to be run. The trigger event can be an insert, update,
|
||
|
|
or delete operation in any high-level language and in SQL.</dd>
|
||
|
|
<dt id="x2042146" class="bold">
|
||
|
|
<a name="x2042146"></a>triggering</dt>
|
||
|
|
<dd>In WebSphere MQ, a facility
|
||
|
|
that allows a queue manager to start an application automatically when predetermined
|
||
|
|
conditions on a queue are satisfied.</dd>
|
||
|
|
<dt id="x2042151" class="bold">
|
||
|
|
<a name="x2042151"></a>trigger level</dt>
|
||
|
|
<dd>The number of records
|
||
|
|
written to an intrapartition transient data destination or queue that will
|
||
|
|
cause CICS to automatically initiate a task to process that queue. See also <a href="rzaata.htm#x2014818">automatic transaction initiation</a>.</dd>
|
||
|
|
<dt id="x2042156" class="bold">
|
||
|
|
<a name="x2042156"></a>trigger message</dt>
|
||
|
|
<dd>A message that contains
|
||
|
|
information about the program that a trigger monitor is to start.</dd>
|
||
|
|
<dt id="x2042161" class="bold">
|
||
|
|
<a name="x2042161"></a>trigger monitor</dt>
|
||
|
|
<dd>A continuously running
|
||
|
|
application that serves one or more initiation queues. When a trigger message
|
||
|
|
arrives on an initiation queue, the trigger monitor retrieves the message.
|
||
|
|
It uses the information in the trigger message to start a process that serves
|
||
|
|
the queue on which a trigger event occurred.</dd>
|
||
|
|
<dt id="x2042166" class="bold">
|
||
|
|
<a name="x2042166"></a>trigger point</dt>
|
||
|
|
<dd>In REXX, a threshold
|
||
|
|
or boundary limit used in the REXX FORMAT function.</dd>
|
||
|
|
<dt id="x2042171" class="bold">
|
||
|
|
<a name="x2042171"></a>trigger program</dt>
|
||
|
|
<dd>A program that contains
|
||
|
|
a set of trigger actions.</dd>
|
||
|
|
<dt id="x2042176" class="bold">
|
||
|
|
<a name="x2042176"></a>trigger time</dt>
|
||
|
|
<dd>The time the trigger
|
||
|
|
action runs before or after the trigger event operates.</dd>
|
||
|
|
<dt id="x2042181" class="bold">
|
||
|
|
<a name="x2042181"></a>trigraph</dt>
|
||
|
|
<dd>In DB2 UDB for iSeries, a sequence of 3 characters entered
|
||
|
|
into a C-language source file to create a character from the C-language character
|
||
|
|
set that is not available on certain keyboards. For example, the characters
|
||
|
|
?? (are interpreted by the compiler as a left bracket ( [ ).</dd>
|
||
|
|
<dt id="x2194859" class="bold">
|
||
|
|
<a name="x2194859"></a>trim</dt>
|
||
|
|
<dd>To remove a list entry from
|
||
|
|
the end of a list opposite from the end where the new entry was added.</dd>
|
||
|
|
<dt id="x2042191" class="bold">
|
||
|
|
<a name="x2042191"></a>triplet</dt>
|
||
|
|
<dd>A length byte, a type byte,
|
||
|
|
and one or more parameter-value bytes in a Formatted Data Object Content Architecture
|
||
|
|
(FD:OCA) descriptor.</dd>
|
||
|
|
<dt id="x2042196" class="bold">
|
||
|
|
<a name="x2042196"></a>Trivial File Transfer Protocol (TFTP)</dt>
|
||
|
|
<dd>In Internet communications, a set of conventions that transfers files
|
||
|
|
between hosts using minimal protocol.</dd>
|
||
|
|
<dt id="x2387112" class="bold">
|
||
|
|
<a name="x2387112"></a>TRLAN</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2313137">token-ring network</a>.</dd>
|
||
|
|
<dt id="x2210382" class="bold">
|
||
|
|
<a name="x2210382"></a>Trojan horse</dt>
|
||
|
|
<dd>A computer program that
|
||
|
|
appears to perform a useful and innocent function. However, it contains hidden
|
||
|
|
functions that use approved authorizations assigned to the user when they
|
||
|
|
start the program. For example, it may copy internal authorization information
|
||
|
|
from a computer and send it back to the originator of the Trojan horse.</dd>
|
||
|
|
<dt id="x2217801" class="bold">
|
||
|
|
<a name="x2217801"></a>troubleshooter</dt>
|
||
|
|
<dd>An application that
|
||
|
|
assists a user in locating a problem and that provides a possible solution
|
||
|
|
to the problem.</dd>
|
||
|
|
<dt id="x2042206" class="bold">
|
||
|
|
<a name="x2042206"></a>truncate</dt>
|
||
|
|
<dd>(1) To cut off data that cannot
|
||
|
|
be printed or displayed in the line width specified or available. See also <a href="rzaatf.htm#x2023221">fold</a>.</dd>
|
||
|
|
<dd>(2) To shorten a field, value, or statement
|
||
|
|
to a specified length.</dd>
|
||
|
|
<dt id="x2042214" class="bold">
|
||
|
|
<a name="x2042214"></a>trunk</dt>
|
||
|
|
<dd>In telephony, circuits that
|
||
|
|
connect two switching systems, as opposed to connecting a customer line to
|
||
|
|
a switching system.</dd>
|
||
|
|
<dt id="x2042219" class="bold">
|
||
|
|
<a name="x2042219"></a>trunk line</dt>
|
||
|
|
<dd>A telecommunications line
|
||
|
|
that links a private telecommunications system to a public switched network.</dd>
|
||
|
|
<dt id="x2042224" class="bold">
|
||
|
|
<a name="x2042224"></a>trusted</dt>
|
||
|
|
<dd>Pertaining to the control
|
||
|
|
of a security policy.</dd>
|
||
|
|
<dt id="x2042229" class="bold">
|
||
|
|
<a name="x2042229"></a>Trusted Computing Base (TCB)</dt>
|
||
|
|
<dd>The
|
||
|
|
combination of hardware and software in a computer system that enforces a
|
||
|
|
unified security policy. This term is used by the U.S. Department of Defense.</dd>
|
||
|
|
<dt id="x2042234" class="bold">
|
||
|
|
<a name="x2042234"></a>trusted root</dt>
|
||
|
|
<dd>In the Secure Sockets
|
||
|
|
Layer (SSL), the public key and associated distinguished name of a certificate
|
||
|
|
authority (CA).</dd>
|
||
|
|
<dt id="x2042239" class="bold">
|
||
|
|
<a name="x2042239"></a>trusted system</dt>
|
||
|
|
<dd>A system in a network
|
||
|
|
over which you have control of security. A trusted system can directly communicate
|
||
|
|
only with other systems in the network.</dd>
|
||
|
|
<dt id="x2042249" class="bold">
|
||
|
|
<a name="x2042249"></a>TS</dt>
|
||
|
|
<dd>(1) See <a href="rzaatt.htm#x2042008">transmission
|
||
|
|
services</a>.</dd>
|
||
|
|
<dd>(2) See <a href="rzaatt.htm#x2041226">temporary storage</a>.</dd>
|
||
|
|
<dt id="x2042253" class="bold">
|
||
|
|
<a name="x2042253"></a>TSAP</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042079">transport-layer
|
||
|
|
service access point</a>.</dd>
|
||
|
|
<dt id="x2042257" class="bold">
|
||
|
|
<a name="x2042257"></a>TSAP selector</dt>
|
||
|
|
<dd>In OSI, an external
|
||
|
|
identifier for a service access point at the Transport Layer. The TSAP selector
|
||
|
|
is part of a presentation address.</dd>
|
||
|
|
<dt id="x2042262" class="bold">
|
||
|
|
<a name="x2042262"></a>TSDU</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042084">transport-layer
|
||
|
|
service data unit</a>.</dd>
|
||
|
|
<dt id="x2189318" class="bold">
|
||
|
|
<a name="x2189318"></a>TS profile</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2042003">transmission services profile</a>.</dd>
|
||
|
|
<dt id="x2194210" class="bold">
|
||
|
|
<a name="x2194210"></a>TTD character</dt>
|
||
|
|
<dd>See <a href="rzaatt.htm#x2041231">temporary-text-delay character</a>.</dd>
|
||
|
|
<dt id="x2069419" class="bold">
|
||
|
|
<a name="x2069419"></a>tumble</dt>
|
||
|
|
<dd>Pertaining to printing on
|
||
|
|
both sides of a sheet of paper such that the bottom of the printed image on
|
||
|
|
one side of the paper is juxtaposed against the top of the printed image on
|
||
|
|
the other side of the paper. See also <a href="rzaats.htm#x2038953">simplex</a>.</dd>
|
||
|
|
<dt id="x2042270" class="bold">
|
||
|
|
<a name="x2042270"></a>tunnel</dt>
|
||
|
|
<dd>An L2TP access concentrator
|
||
|
|
(LAC)-L2TP network server (LNS) pair. A tunnel carries Point-to-Point Protocol
|
||
|
|
(PPP) datagrams between the LAC and the LNS. There may be many sessions in
|
||
|
|
a single tunnel. A control connection that operates in the tunnel controls
|
||
|
|
the establishment, release, and maintenance of sessions and the tunnel itself.</dd>
|
||
|
|
<dt id="x2042275" class="bold">
|
||
|
|
<a name="x2042275"></a>turnaround</dt>
|
||
|
|
<dd>In communications, pertaining
|
||
|
|
to changing a communications line from being able to send to being able to
|
||
|
|
receive, or from being able to receive to being able to send.</dd>
|
||
|
|
<dt id="x2042280" class="bold">
|
||
|
|
<a name="x2042280"></a>turnaround time</dt>
|
||
|
|
<dd>In communications,
|
||
|
|
the time required to reverse the direction from sending to receiving or from
|
||
|
|
receiving to sending on a communications line.</dd>
|
||
|
|
<dt id="x2042285" class="bold">
|
||
|
|
<a name="x2042285"></a>Tutorial System Support</dt>
|
||
|
|
<dd>An education
|
||
|
|
course, supplied with the operating system licensed program, that provides
|
||
|
|
introductory education for a variety of computer users, including system operators
|
||
|
|
and business and data processing professionals. Tutorial System Support is
|
||
|
|
part of the total IBM curriculum for the iSeries system, which consists of classroom
|
||
|
|
training and other methods of self-study.</dd>
|
||
|
|
<dt id="x2042290" class="bold">
|
||
|
|
<a name="x2042290"></a>twinaxial cable</dt>
|
||
|
|
<dd>A cable made of two
|
||
|
|
twisted wires inside a shield.</dd>
|
||
|
|
<dt id="x2042295" class="bold">
|
||
|
|
<a name="x2042295"></a>twinaxial data link control (TDLC)</dt>
|
||
|
|
<dd>A communications function that allows personal computers, which are attached
|
||
|
|
to the work station controller by twinaxial cable, to use advanced program-to-program
|
||
|
|
communications (APPC) or Advanced Peer-to-Peer
|
||
|
|
Networking® (APPN) support.</dd>
|
||
|
|
<dt id="x2042300" class="bold">
|
||
|
|
<a name="x2042300"></a>twisted-pair</dt>
|
||
|
|
<dd>Pertaining to a transmission
|
||
|
|
medium that consists of two insulated conductors twisted together to reduce
|
||
|
|
interference. For example, twisted-pair wiring can be used as an alternative
|
||
|
|
to twinaxial cable.</dd>
|
||
|
|
<dt id="x2005483" class="bold">
|
||
|
|
<a name="x2005483"></a>two-phase commit</dt>
|
||
|
|
<dd>(1) The protocol that
|
||
|
|
permits updates to protected resources to be committed or rolled back as a
|
||
|
|
unit. During the first phase, agents are asked if they are ready to commit.
|
||
|
|
If all agents respond positively, they are asked to commit their updates.
|
||
|
|
Otherwise, the agents are asked to roll back their updates.</dd>
|
||
|
|
<dd>(2) A
|
||
|
|
protocol for the coordination of changes to recoverable resources when more
|
||
|
|
than one resource manager is used by a single transaction. See also <a href="rzaats.htm#x2039011">single-phase commit</a>.</dd>
|
||
|
|
<dt id="x2042311" class="bold">
|
||
|
|
<a name="x2042311"></a>two-port communications adapter cable</dt>
|
||
|
|
<dd>A cable that connects a 50-pin connector on a communications adapter
|
||
|
|
card to two other communications cables that have 25-pin connectors (ports).</dd>
|
||
|
|
<dt id="x2042316" class="bold">
|
||
|
|
<a name="x2042316"></a>type</dt>
|
||
|
|
<dd>(1) In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet, the third qualifier
|
||
|
|
of a part name that uniquely identifies a part within a specific group by
|
||
|
|
identifying the kind of information the part contains.</dd>
|
||
|
|
<dd>(2) In Java™ programming, a class or interface.</dd>
|
||
|
|
<dt id="x2042327" class="bold">
|
||
|
|
<a name="x2042327"></a>typed data</dt>
|
||
|
|
<dd>In OSI, a data transfer
|
||
|
|
service provided by the session layer that enables an application entity to
|
||
|
|
send data whether or not it has permission to send.</dd>
|
||
|
|
<dt id="x2137205" class="bold">
|
||
|
|
<a name="x2137205"></a>typeface</dt>
|
||
|
|
<dd>All characters of a single
|
||
|
|
type family or style, weight class, width class, and posture, regardless of
|
||
|
|
size. An example is Helvetica bold condensed italic, in any point size. See
|
||
|
|
also <a href="rzaatf.htm#x2023247">font</a>.</dd>
|
||
|
|
<dt id="x2042336" class="bold">
|
||
|
|
<a name="x2042336"></a>type of service</dt>
|
||
|
|
<dd>In QoS, a 3-bit field
|
||
|
|
within a packet's IP header that signals to routers and other network devices
|
||
|
|
the level of QoS to apply to the packet.</dd></dl>
|
||
|
|
<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
|
||
|
|
</body>
|
||
|
|
</html>
|