2636 lines
128 KiB
HTML
2636 lines
128 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>P</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="p"></a>
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<h2 id="p">P</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="x2035488" class="bold">
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<a name="x2035488"></a>P1</dt>
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<dd>See <a href="rzaatp.htm#x2035307">Protocol
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1</a>.</dd>
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<dt id="x2035492" class="bold">
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<a name="x2035492"></a>P2</dt>
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<dd>See <a href="rzaatp.htm#x2035312">Protocol
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2</a>.</dd>
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<dt id="x2032867" class="bold">
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<a name="x2032867"></a>pacing</dt>
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<dd>In SNA, a technique by which
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the receiving system controls the rate of transmission of the sending system
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to prevent overrun.</dd>
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<dt id="x2003545" class="bold">
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<a name="x2003545"></a>package</dt>
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<dd>(1) In VisualAge® RPG, a
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function that allows an application programmer to collect all the parts of
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an application together for distribution.</dd>
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<dd>(2) A control structure
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produced during program preparation that is used to execute SQL statements.</dd>
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<dd>(3) In Java™ programming, a group of types. Packages are declared
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with the package keyword. (Sun)</dd>
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<dt id="x2032889" class="bold">
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<a name="x2032889"></a>packaging products</dt>
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<dd>(1) In System Manager,
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the process of combining packaging objects with application objects, such
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as programs and files, to form a product.</dd>
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<dd>(2) In System Manager, the
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process of converting objects to system products.</dd>
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<dt id="x2032897" class="bold">
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<a name="x2032897"></a>packed decimal format</dt>
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<dd>Representation
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of a decimal value in which each byte within a field represents two numeric
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digits except the far right byte, which contains one digit in bits 0 through
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3 and the sign in bits 4 through 7. For all other bytes, bits 0 through 3
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represent one digit; bits 4 through 7 represent one digit. For example, the
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decimal value +123 is represented as 0001 0010 0011 1111. See also <a href="rzaatz.htm#x2043488">zoned decimal format</a>.</dd>
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<dt id="x2032902" class="bold">
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<a name="x2032902"></a>packed decimal item</dt>
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<dd>In COBOL, a numeric
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data item that is represented internally in packed decimal format.</dd>
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<dt id="x2032907" class="bold">
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<a name="x2032907"></a>packed field</dt>
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<dd>A field that contains
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data in the packed decimal format.</dd>
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<dt id="x2032912" class="bold">
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<a name="x2032912"></a>packed key</dt>
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<dd>A key field in packed
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decimal format.</dd>
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<dt id="x2003560" class="bold">
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<a name="x2003560"></a>packet</dt>
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<dd>(1) In data communication, a sequence
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of binary digits, including data and control signals, that is transmitted
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and switched as a composite whole. See also <a href="rzaatf.htm#x2023449">frame</a>.</dd>
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<dd>(2) The field structure and format defined in the CCITT X.25 Recommendation.</dd>
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<dt id="x2032932" class="bold">
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<a name="x2032932"></a>packet assembler/disassembler (PAD)</dt>
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<dd>A functional unit that enables data terminal equipment (DTE) not equipped
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for packet switching to use a packet-switched network.</dd>
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<dt id="x2032942" class="bold">
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<a name="x2032942"></a>packet level</dt>
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<dd>A part of X.25 communications
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that defines the protocol for building logical connections between two DTEs
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and for moving data on these connections.</dd>
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<dt id="x2032947" class="bold">
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<a name="x2032947"></a>packet mode host</dt>
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<dd>Any non-SNA, X.25
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host system.</dd>
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<dt id="x2032952" class="bold">
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<a name="x2032952"></a>packet rules</dt>
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<dd>Functions that help
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keep a network's security from being compromised. Packet rules (formerly called
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IP packet security ) uses methods such as filtering and network address translation.</dd>
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<dt id="x2142884" class="bold">
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<a name="x2142884"></a>packet-switched data network (PSDN)</dt>
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<dd>A communications network that uses packets to send data.</dd>
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<dt id="x2032961" class="bold">
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<a name="x2032961"></a>packet switching</dt>
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<dd>The act of sending
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and routing packets from source to destination based on information contained
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in their heading record.</dd>
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<dt id="x2032971" class="bold">
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<a name="x2032971"></a>packet window</dt>
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<dd>A specified number
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of packets that can be sent by the DTE before it receives an acknowledgment
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from the receiving station.</dd>
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<dt id="x2032976" class="bold">
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<a name="x2032976"></a>pad</dt>
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<dd>To fill unused positions in a
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field with dummy data, usually zeros or blanks.</dd>
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<dt id="x2032981" class="bold">
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<a name="x2032981"></a>PAD</dt>
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<dd>See <a href="rzaatp.htm#x2032932">packet
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assembler/disassembler</a>.</dd>
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<dt id="x2032985" class="bold">
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<a name="x2032985"></a>padding character</dt>
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<dd>In COBOL, an alphanumeric
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character used to fill the unused character positions in a physical record.</dd>
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<dt id="x2032990" class="bold">
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<a name="x2032990"></a>PAG</dt>
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<dd>See <a href="rzaatp.htm#x2034856">process
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access group</a>.</dd>
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<dt id="x2003565" class="bold">
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<a name="x2003565"></a>page</dt>
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<dd>(1) To move information up or down
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on the display.</dd>
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<dd>(2) To transfer instructions, data, or both between
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active physical memory and external page storage. See also <a href="rzaatp.htm#x2033695">physical page</a>.</dd>
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<dd>(3) In the graphical data display manager (GDDM®) function, the picture or chart. All specified graphics are added to
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the current page. An output statement always sends the current page to the
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device.</dd>
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<dd>(4) A unit of storage equal to 512 bytes in complex instruction
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set computer (CISC) systems, and 4096 bytes in reduced instruction set computer
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(RISC) systems. A page can be moved between auxiliary storage and main storage.</dd>
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<dt id="x2033013" class="bold">
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<a name="x2033013"></a>page body</dt>
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<dd>In COBOL, that part of
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the logical page in which lines can be written, spaced, or both.</dd>
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<dt id="x2033018" class="bold">
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<a name="x2033018"></a>page definition</dt>
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<dd>An AFP™ resource that
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defines the rules for transforming line data and XML data into MO:DCA-P data
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and text controls. The system-recognized identifier for the object type is
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*PAGDFN.</dd>
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<dt id="x2033023" class="bold">
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<a name="x2033023"></a>page down</dt>
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<dd>To move to the information
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below the information currently shown on the display. See also <a href="rzaatp.htm#x2033067">page up</a>.</dd>
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<dt id="x2033028" class="bold">
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<a name="x2033028"></a>page fault</dt>
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<dd>A program interruption
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that occurs when an active page refers to a page that is not in memory.</dd>
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<dt id="x2033033" class="bold">
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<a name="x2033033"></a>page frame</dt>
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<dd>A 512-byte block of main
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storage on a 512-byte boundary.</dd>
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<dt id="x2033038" class="bold">
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<a name="x2033038"></a>page-in</dt>
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<dd>The process of moving a page
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from auxiliary storage to main storage.</dd>
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<dt id="x2033043" class="bold">
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<a name="x2033043"></a>page layout</dt>
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<dd>In AFP Utilities, a
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printout format of a page in the printout format definition (PFD). By using
|
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the print format utility, the user can design the page layout by placing and
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repeating a predefined record layout with constant data.</dd>
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<dt id="x2033048" class="bold">
|
||
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<a name="x2033048"></a>page-out</dt>
|
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|
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<dd>The process of moving a
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page from main storage to auxiliary storage.</dd>
|
||
|
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<dt id="x2033053" class="bold">
|
||
|
|
<a name="x2033053"></a>page printer</dt>
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||
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<dd>In AFP support, any
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of a class of printers that accepts composed pages, constructed of composed
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text and images, among other things. See also <a href="rzaatl.htm#x2028635">line printer</a>.</dd>
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<dt id="x2033058" class="bold">
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||
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<a name="x2033058"></a>page segment</dt>
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<dd>An AFP resource object
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containing text, image, graphics, or bar code data that can be positioned
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on any addressable point on a page or an electronic overlay.</dd>
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<dt id="x2033063" class="bold">
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<a name="x2033063"></a>pages per side</dt>
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<dd>See <a href="rzaatm.htm#x2030855">multiple up</a>.</dd>
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<dt id="x2033067" class="bold">
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<a name="x2033067"></a>page up</dt>
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<dd>To move to the information
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above the information currently shown on the display. See also <a href="rzaatp.htm#x2033023">page down</a>.</dd>
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<dt id="x2033077" class="bold">
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<a name="x2033077"></a>paging behavior</dt>
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<dd>In capacity planning,
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the paging characteristics for the transaction. Users can define paging characteristics
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for any transaction.</dd>
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<dt id="x2033082" class="bold">
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<a name="x2033082"></a>paging coefficient</dt>
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<dd>In capacity planning,
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a number that indicates the amount of paging performed by a transaction in
|
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a workload. The higher the number, the more page faults generated. This number
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|
is not the number of page faults, but a representation of the total amount
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|
of paging.</dd>
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<dt id="x2033087" class="bold">
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<a name="x2033087"></a>paging exponent</dt>
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<dd>In capacity planning,
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a value used to determine the effects of pool size changes. The greater the
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paging exponent, the greater the change to synchronous reads (page faults)
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as memory size changes.</dd>
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<dt id="x2033092" class="bold">
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<a name="x2033092"></a>paired data</dt>
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<dd>In Business Graphics
|
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Utility and the GDDM function, data that is specified so that every X value
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has only one Y value associated with it. See also <a href="rzaatn.htm#x2031638">nonpaired
|
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data</a>.</dd>
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<dt id="x2003583" class="bold">
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<a name="x2003583"></a>panel</dt>
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<dd>A formatted display of information
|
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on a screen.</dd>
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<dt id="x2033100" class="bold">
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<a name="x2033100"></a>panel assembly</dt>
|
||
|
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<dd>The hardware parts
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making up the operator panel, control panel, or indicator panels.</dd>
|
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|
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<dt id="x2033105" class="bold">
|
||
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<a name="x2033105"></a>Panel Definition Markup Language (PDML)</dt>
|
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|
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<dd>A tag language that defines a language for describing user interface
|
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elements and layouts. PDML is based on the Extensible Markup Language (XML).
|
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|
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PDML files are used with the Graphical Toolbox components within the iSeries™ Toolbox for Java to simplify the construction of user interfaces within Java.
|
||
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You can use PDML and the Graphical Toolbox components to build and run Java applications on any Java compliant platform.</dd>
|
||
|
|
<dt id="x2033110" class="bold">
|
||
|
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<a name="x2033110"></a>panel format</dt>
|
||
|
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<dd>In query management,
|
||
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|
the format of the data in an externalized query or procedure file.</dd>
|
||
|
|
<dt id="x2033115" class="bold">
|
||
|
|
<a name="x2033115"></a>panel group</dt>
|
||
|
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<dd>An object that contains
|
||
|
|
a collection of any of the following: display formats, print formats, or help
|
||
|
|
information. The system-recognized identifier for the object type is *PNLGRP.</dd>
|
||
|
|
<dt id="x2033120" class="bold">
|
||
|
|
<a name="x2033120"></a>PAP</dt>
|
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|
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<dd>See <a href="rzaatp.htm#x2033284">Password
|
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|
|
Authentication Protocol</a>.</dd>
|
||
|
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<dt id="x2033124" class="bold">
|
||
|
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<a name="x2033124"></a>paragraph</dt>
|
||
|
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<dd>In the Procedure Division
|
||
|
|
of a COBOL program, a name followed by a period and a space and by zero, one,
|
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|
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or more sentences. In the Identification and Environment Divisions, a header
|
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|
|
followed by zero, one, or more statements.</dd>
|
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|
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<dt id="x2033129" class="bold">
|
||
|
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<a name="x2033129"></a>paragraph header</dt>
|
||
|
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<dd>In COBOL, a reserved
|
||
|
|
word, followed by a period and a space that indicates the beginning of a paragraph
|
||
|
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in the Identification and Environment Divisions.</dd>
|
||
|
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<dt id="x2033134" class="bold">
|
||
|
|
<a name="x2033134"></a>paragraph name</dt>
|
||
|
|
<dd>In COBOL, a user-defined
|
||
|
|
word that identifies and begins a paragraph in the Procedure Division.</dd>
|
||
|
|
<dt id="x2003608" class="bold">
|
||
|
|
<a name="x2003608"></a>parallel session</dt>
|
||
|
|
<dd>Two or more concurrently
|
||
|
|
active sessions between the same two network addressable units using different
|
||
|
|
pairs of network addresses or local-form session identifiers. Each session
|
||
|
|
can have independent session parameters.</dd>
|
||
|
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<dt id="x2033144" class="bold">
|
||
|
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<a name="x2033144"></a>parameter (parm)</dt>
|
||
|
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<dd>A value or reference
|
||
|
|
passed to a function, command, or program that serves as input or to control
|
||
|
|
actions. The value is supplied by a user or by another program or process.</dd>
|
||
|
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<dt id="x2033161" class="bold">
|
||
|
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<a name="x2033161"></a>parameter list</dt>
|
||
|
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<dd>A list of values that
|
||
|
|
provide a means of associating addressability of data defined in a called
|
||
|
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program with data in the calling program. It contains parameter names and
|
||
|
|
the order in which they are to be associated in the calling and called program.</dd>
|
||
|
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<dt id="x2003628" class="bold">
|
||
|
|
<a name="x2003628"></a>parameter marker</dt>
|
||
|
|
<dd>A question mark
|
||
|
|
(?) that appears in a statement string of a dynamic SQL statement. The question
|
||
|
|
mark can appear where a host variable might appear if the statement string
|
||
|
|
was a static SQL statement.</dd>
|
||
|
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<dt id="x2033166" class="bold">
|
||
|
|
<a name="x2033166"></a>parent class</dt>
|
||
|
|
<dd>A class from which another
|
||
|
|
class inherits instance methods, attributes, and instance variables.</dd>
|
||
|
|
<dt id="x2033171" class="bold">
|
||
|
|
<a name="x2033171"></a>parent directory</dt>
|
||
|
|
<dd>The directory one
|
||
|
|
level above the current directory. An object's parent directory is the directory
|
||
|
|
that contains the names and controlling information for the object. If the
|
||
|
|
object is named in more than one directory, it has multiple parent directories.</dd>
|
||
|
|
<dt id="x2033179" class="bold">
|
||
|
|
<a name="x2033179"></a>parent file</dt>
|
||
|
|
<dd>The file in a constraint
|
||
|
|
relationship that contains the parent or primary key. See also <a href="rzaatd.htm#x2020113">dependent file</a>.</dd>
|
||
|
|
<dt id="x2033184" class="bold">
|
||
|
|
<a name="x2033184"></a>parent group</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, the
|
||
|
|
group directly above another group in a branch of the project hierarchy.</dd>
|
||
|
|
<dt id="x2003633" class="bold">
|
||
|
|
<a name="x2003633"></a>parent key</dt>
|
||
|
|
<dd>(1) A field or set of fields
|
||
|
|
in a database file that must be unique, ascending, and may or may not contain
|
||
|
|
null values. The parent key may be the same as the primary or unique key.</dd>
|
||
|
|
<dd>(2) A primary key or unique key that is used in a referential constraint.
|
||
|
|
The values of a parent key determine the valid values of the foreign key in
|
||
|
|
the constraint.</dd>
|
||
|
|
<dt id="x2033195" class="bold">
|
||
|
|
<a name="x2033195"></a>parent process</dt>
|
||
|
|
<dd>A process that is
|
||
|
|
created to carry out a request or set of requests. The parent process, in
|
||
|
|
turn, can create child processes to process requests for the parent.</dd>
|
||
|
|
<dt id="x2003638" class="bold">
|
||
|
|
<a name="x2003638"></a>parent row</dt>
|
||
|
|
<dd>A row that has at least
|
||
|
|
one dependent row. See also <a href="rzaatd.htm#x2001487">dependent row</a>.</dd>
|
||
|
|
<dt id="x2003643" class="bold">
|
||
|
|
<a name="x2003643"></a>parent table</dt>
|
||
|
|
<dd>A table that is a parent
|
||
|
|
in at least one referential constraint. See also <a href="rzaatd.htm#x2001492">dependent
|
||
|
|
table</a>.</dd>
|
||
|
|
<dt id="x2033203" class="bold">
|
||
|
|
<a name="x2033203"></a>parent window</dt>
|
||
|
|
<dd>In some operating systems,
|
||
|
|
the window that controls the size and locations of its children. If a window
|
||
|
|
has children, it is a parent window.</dd>
|
||
|
|
<dt id="x2033208" class="bold">
|
||
|
|
<a name="x2033208"></a>parity</dt>
|
||
|
|
<dd>The state of being either
|
||
|
|
even-numbered or odd-numbered. See also <a href="rzaatp.htm#x2033213">parity bit</a>.</dd>
|
||
|
|
<dt id="x2033213" class="bold">
|
||
|
|
<a name="x2033213"></a>parity bit</dt>
|
||
|
|
<dd>A binary digit added to
|
||
|
|
a group of binary digits to make the sum of all the digits either always odd
|
||
|
|
(odd parity) or always even (even parity). See also <a href="rzaatp.htm#x2033208">parity</a>.</dd>
|
||
|
|
<dt id="x2212705" class="bold">
|
||
|
|
<a name="x2212705"></a>parm</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033144">parameter</a>.</dd>
|
||
|
|
<dt id="x2033218" class="bold">
|
||
|
|
<a name="x2033218"></a>parse</dt>
|
||
|
|
<dd>To break down a string of information
|
||
|
|
such as a command or file into its constituent parts.</dd>
|
||
|
|
<dt id="x2033223" class="bold">
|
||
|
|
<a name="x2033223"></a>part</dt>
|
||
|
|
<dd>(1) In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, an
|
||
|
|
object or source member that is a component of an application. Parts are organized
|
||
|
|
into a collection of groups, which then forms a project hierarchy.</dd>
|
||
|
|
<dd>(2) In VisualAge RPG, a self-contained software object consisting
|
||
|
|
of a set of external features that allow the part to interact with other parts.
|
||
|
|
The parts on the VRPG palette can be used a templates to create controls.</dd>
|
||
|
|
<dt id="x2078607" class="bold">
|
||
|
|
<a name="x2078607"></a>partial call</dt>
|
||
|
|
<dd>A two-party call in
|
||
|
|
which one of the two parties is a virtual party; this can be viewed as a transient
|
||
|
|
stage of the telephone call.</dd>
|
||
|
|
<dt id="x2003658" class="bold">
|
||
|
|
<a name="x2003658"></a>partition</dt>
|
||
|
|
<dd>(1) On a personal computer
|
||
|
|
hard disk, one of four possible storage areas of variable size; one may be
|
||
|
|
accessed by DOS and each of the others may be assigned to another operating
|
||
|
|
system.</dd>
|
||
|
|
<dd>(2) A subset of the active cluster nodes that result from
|
||
|
|
a network failure. Members of a partition maintain connectivity with each
|
||
|
|
other.</dd>
|
||
|
|
<dd>(3) A logical division of storage on a fixed disk. Partitions
|
||
|
|
make it easier to organize information. Each partition can be formatted for
|
||
|
|
a different file system. A partition must be completely contained on one physical
|
||
|
|
disk, and the partition table in the Master Boot Record for a physical disk
|
||
|
|
can contain up to four entries.</dd>
|
||
|
|
<dt id="x2003673" class="bold">
|
||
|
|
<a name="x2003673"></a>partitioned data set (PDS)</dt>
|
||
|
|
<dd>In a z/OS® environment, a data set in direct-access storage that is divided into
|
||
|
|
partitions, which are called members. Each partition can contain a program,
|
||
|
|
part of a program, or data. See also <a href="rzaats.htm#x2004508">sequential data
|
||
|
|
set</a>.</dd>
|
||
|
|
<dt id="x2003708" class="bold">
|
||
|
|
<a name="x2003708"></a>partner logical unit</dt>
|
||
|
|
<dd>In SNA, the
|
||
|
|
remote participant in a session.</dd>
|
||
|
|
<dt id="x2033248" class="bold">
|
||
|
|
<a name="x2033248"></a>parts catalog</dt>
|
||
|
|
<dd>In VisualAge RPG, a
|
||
|
|
collection of parts defined by the user. Parts in the catalog can be moved
|
||
|
|
to and from the parts palette.</dd>
|
||
|
|
<dt id="x2033253" class="bold">
|
||
|
|
<a name="x2033253"></a>parts palette</dt>
|
||
|
|
<dd>In VisualAge RPG, a
|
||
|
|
collection of views and models used in building additional parts for an application.
|
||
|
|
Application programmers can add parts to the palette for use in defining applications
|
||
|
|
or other parts.</dd>
|
||
|
|
<dt id="x2033258" class="bold">
|
||
|
|
<a name="x2033258"></a>party</dt>
|
||
|
|
<dd>In telephony, an addressable
|
||
|
|
end point of a telephone call.</dd>
|
||
|
|
<dt id="x2046419" class="bold">
|
||
|
|
<a name="x2046419"></a>PASA</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2046433">program
|
||
|
|
automatic storage area</a>.</dd>
|
||
|
|
<dt id="x2033267" class="bold">
|
||
|
|
<a name="x2033267"></a>passive attack</dt>
|
||
|
|
<dd>In computer security,
|
||
|
|
an assault on a network that is difficult to detect and involves an intruder
|
||
|
|
who taps into or traces communications. Sniffing is an example of a passive
|
||
|
|
attack.</dd>
|
||
|
|
<dt id="x2033272" class="bold">
|
||
|
|
<a name="x2033272"></a>passive open</dt>
|
||
|
|
<dd>In TCP/IP, the state
|
||
|
|
of a connection that is prepared to provide a service on demand. See also <a href="rzaata.htm#x2013042">active open</a>.</dd>
|
||
|
|
<dt id="x2033279" class="bold">
|
||
|
|
<a name="x2033279"></a>password</dt>
|
||
|
|
<dd>In computer and network
|
||
|
|
security, a specific string of characters used by a program, computer operator,
|
||
|
|
or user to access the system and the information stored within it.</dd>
|
||
|
|
<dt id="x2033284" class="bold">
|
||
|
|
<a name="x2033284"></a>Password Authentication Protocol (PAP)</dt>
|
||
|
|
<dd>A type of authentication where the user name and password are transmitted
|
||
|
|
in an unencrypted form. This is a more basic form of authentication than Challenge
|
||
|
|
Handshake Authentication Protocol (CHAP). See also <a href="rzaatc.htm#x2016438">Challenge Handshake Authentication Protocol</a>.</dd>
|
||
|
|
<dt id="x2210478" class="bold">
|
||
|
|
<a name="x2210478"></a>password level</dt>
|
||
|
|
<dd>Within DST, a property
|
||
|
|
that specifies whether Data Encryption Standard (DES) or Secure Hash Algorithm
|
||
|
|
(SHA) encryption is used when storing passwords. The default level is DES.</dd>
|
||
|
|
<dt id="x2033289" class="bold">
|
||
|
|
<a name="x2033289"></a>password protection</dt>
|
||
|
|
<dd>In APPC, the
|
||
|
|
support that uses protected passwords to keep user passwords secure. The LU
|
||
|
|
type 6.2 architecture refers to password protection as password substitution.</dd>
|
||
|
|
<dt id="x2210116" class="bold">
|
||
|
|
<a name="x2210116"></a>password server</dt>
|
||
|
|
<dd>A server that allows
|
||
|
|
clients to change their password on the key distribution center (KDC) remotely.
|
||
|
|
The password server typically runs on the same machine as the KDC.</dd>
|
||
|
|
<dt id="x2033294" class="bold">
|
||
|
|
<a name="x2033294"></a>patch cable</dt>
|
||
|
|
<dd>A length of cable with
|
||
|
|
data connectors at both ends; it is normally used to interconnect two sections
|
||
|
|
of building cable at a distribution panel or to connect a product to the building
|
||
|
|
cable.</dd>
|
||
|
|
<dt id="x2011343" class="bold">
|
||
|
|
<a name="x2011343"></a>path</dt>
|
||
|
|
<dd>(1) In an operating system, the
|
||
|
|
route through a file system to a specific file. In i5/OS™, the directory
|
||
|
|
names can be separated either with a slash (/) or a backslash (\). Component
|
||
|
|
names in the QSYS.LIB file system must be of the form name.object-type. For
|
||
|
|
example, '/QSYS.LIB/PAY.LIB/TAX.FILE'.</dd>
|
||
|
|
<dd>(2) In a network environment,
|
||
|
|
the route between any two nodes.</dd>
|
||
|
|
<dd>(3) In OSI Communications Subsystem/400,
|
||
|
|
a description of how a local line or line set can be used for outbound communications.</dd>
|
||
|
|
<dd>(4) In SNA, the set of data links, data link control layers, and
|
||
|
|
path control layers that a path information unit travels through when sent
|
||
|
|
from the transmission control layer of one half-session to the transmission
|
||
|
|
control layer of another half-session.</dd>
|
||
|
|
<dt id="x2033311" class="bold">
|
||
|
|
<a name="x2033311"></a>path assignment</dt>
|
||
|
|
<dd>In OSI, the permanent
|
||
|
|
assignment of a DTE at an adjacent node to a path. This restricts the path
|
||
|
|
to particular lines to be used for connections to or through that adjacent
|
||
|
|
node.</dd>
|
||
|
|
<dt id="x2033316" class="bold">
|
||
|
|
<a name="x2033316"></a>path code page</dt>
|
||
|
|
<dd>A list of the path
|
||
|
|
name components of the files that are exported to and mounted on a specified
|
||
|
|
Network File System (NFS) client or netgroup.</dd>
|
||
|
|
<dt id="x2033321" class="bold">
|
||
|
|
<a name="x2033321"></a>path control layer</dt>
|
||
|
|
<dd>In SNA, the layer
|
||
|
|
that routes all messages to data links and half-sessions.</dd>
|
||
|
|
<dt id="x2033326" class="bold">
|
||
|
|
<a name="x2033326"></a>path control network</dt>
|
||
|
|
<dd>In SNA, the
|
||
|
|
functional layer that includes the data link control and path control layers.</dd>
|
||
|
|
<dt id="x2033331" class="bold">
|
||
|
|
<a name="x2033331"></a>path information unit (PIU)</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
the smallest amount of data that the system sends out on a communications
|
||
|
|
line, consisting of a transmission header followed by a basic information
|
||
|
|
unit or a basic information unit segment.</dd>
|
||
|
|
<dt id="x2033336" class="bold">
|
||
|
|
<a name="x2033336"></a>path name</dt>
|
||
|
|
<dd>(1) The name of an object in
|
||
|
|
the integrated file system. Protected objects have one or more path names.</dd>
|
||
|
|
<dd>(2) In a hierarchical file system (HFS), the name used to refer to
|
||
|
|
a file or directory. The path name must start with a slash (/) and consist
|
||
|
|
of elements separated by a slash. The first element must be the name of a
|
||
|
|
registered file system. All remaining elements must be the name of a directory,
|
||
|
|
except the last element, which can be the name of a directory or file.</dd>
|
||
|
|
<dd>(3) A sequence of directory names followed by a file name, each separated
|
||
|
|
by a slash.</dd>
|
||
|
|
<dd>(4) A string of characters used to refer to an object.
|
||
|
|
The string can consist of one or more elements, each separated by a slash
|
||
|
|
(/), and may begin with a slash. Each element is typically a directory or
|
||
|
|
equivalent, except for the last element, which can be a directory or another
|
||
|
|
object such as a file.</dd>
|
||
|
|
<dt id="x2033355" class="bold">
|
||
|
|
<a name="x2033355"></a>path set</dt>
|
||
|
|
<dd>In OSI, a set of paths grouped
|
||
|
|
by the similarity of their requirements. OSI Communications Subsystem requires
|
||
|
|
that each line be assigned to a line set. If the line is to be used for outbound
|
||
|
|
communications, then its associated line set must be assigned to a path set.
|
||
|
|
A line that is not assigned to a path set (through a line set) can be used
|
||
|
|
only for inbound communications.</dd>
|
||
|
|
<dt id="x2033360" class="bold">
|
||
|
|
<a name="x2033360"></a>path set sequencing</dt>
|
||
|
|
<dd>In OSI, the process
|
||
|
|
of defining the sequence in which lines are to be selected for outbound connections.</dd>
|
||
|
|
<dt id="x2033365" class="bold">
|
||
|
|
<a name="x2033365"></a>pattern</dt>
|
||
|
|
<dd>In REXX, the parts of a parsing
|
||
|
|
template that allow a string to be split by the explicit matching of strings
|
||
|
|
(literal patterns) or by the specification of numeric positions (positional
|
||
|
|
patterns). Parentheses may be supplied to create a variable pattern, a pattern
|
||
|
|
whose value is derived from a variable.</dd>
|
||
|
|
<dt id="x2033370" class="bold">
|
||
|
|
<a name="x2033370"></a>pattern-matching character</dt>
|
||
|
|
<dd>See <a href="rzaatw.htm#x2012466">wildcard character</a>.</dd>
|
||
|
|
<dt id="x2033375" class="bold">
|
||
|
|
<a name="x2033375"></a>pawl</dt>
|
||
|
|
<dd>(1) A pivoted tongue or sliding
|
||
|
|
bolt adapted to fall into notches on a machine to permit motion in only one
|
||
|
|
direction.</dd>
|
||
|
|
<dd>(2) The tongue of a ratchet.</dd>
|
||
|
|
<dt id="x2033383" class="bold">
|
||
|
|
<a name="x2033383"></a>PBX</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034696">private
|
||
|
|
branch exchange</a>.</dd>
|
||
|
|
<dt id="x2033387" class="bold">
|
||
|
|
<a name="x2033387"></a>PCC</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034210">power
|
||
|
|
control compartment</a>.</dd>
|
||
|
|
<dt id="x2033391" class="bold">
|
||
|
|
<a name="x2033391"></a>PC file</dt>
|
||
|
|
<dd>A file stored on a personal
|
||
|
|
computer.</dd>
|
||
|
|
<dt id="x2033396" class="bold">
|
||
|
|
<a name="x2033396"></a>PCI</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033527">Peripheral
|
||
|
|
Component Interconnect</a>.</dd>
|
||
|
|
<dt id="x2033400" class="bold">
|
||
|
|
<a name="x2033400"></a>PCI bridge</dt>
|
||
|
|
<dd>A device that connects
|
||
|
|
one or more subordinate PCI buses to a primary PCI bus. The PCI bus that is
|
||
|
|
closest to the system processor is the primary PCI bus, and the subordinate
|
||
|
|
buses are secondary PCI buses.</dd>
|
||
|
|
<dt id="x2246006" class="bold">
|
||
|
|
<a name="x2246006"></a>PCI bridge set</dt>
|
||
|
|
<dd>A set of PCI card
|
||
|
|
positions.</dd>
|
||
|
|
<dt id="x2240706" class="bold">
|
||
|
|
<a name="x2240706"></a>PCI-X</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2240701">Peripheral Component Interconnect-X</a>.</dd>
|
||
|
|
<dt id="x2033405" class="bold">
|
||
|
|
<a name="x2033405"></a>PC-mixed character set</dt>
|
||
|
|
<dd>A character
|
||
|
|
set that contains a mixture of single-byte character set (SBCS) PC code pages
|
||
|
|
and double-byte character set (DBCS) PC code pages.</dd>
|
||
|
|
<dt id="x2033410" class="bold">
|
||
|
|
<a name="x2033410"></a>PCML</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034990">Program
|
||
|
|
Call Markup Language</a>.</dd>
|
||
|
|
<dt id="x2033414" class="bold">
|
||
|
|
<a name="x2033414"></a>PC session</dt>
|
||
|
|
<dd>An operating session that
|
||
|
|
uses DOS and other IBM® programs on a personal computer attached as a 5250
|
||
|
|
work station to a server.</dd>
|
||
|
|
<dt id="x2009514" class="bold">
|
||
|
|
<a name="x2009514"></a>PCT</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2007332">program
|
||
|
|
control table</a>.</dd>
|
||
|
|
<dt id="x2033421" class="bold">
|
||
|
|
<a name="x2033421"></a>PDA</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033598">personal
|
||
|
|
digital assistant</a>.</dd>
|
||
|
|
<dt id="x2046701" class="bold">
|
||
|
|
<a name="x2046701"></a>PDF</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034129">Portable
|
||
|
|
Document Format</a>.</dd>
|
||
|
|
<dt id="x2391811" class="bold">
|
||
|
|
<a name="x2391811"></a>PDF subsystem</dt>
|
||
|
|
<dd>The IPDS™ to PDF Transform
|
||
|
|
function of IBM Infoprint® Server for iSeries. One or more PDF files are generated
|
||
|
|
from an Intelligent Printer Data Stream™ (IPDS), Advanced Function Presentation™ (AFP), or SNA character string (SCS) spooled file and then sent as e-mail,
|
||
|
|
spooled for printing, or stored in the integrated file system as a stream
|
||
|
|
file. A mapping program can be used to implement intelligent routing of the
|
||
|
|
PDF subsystem output. See also <a href="rzaati.htm#x2391801">intelligent routing</a>, <a href="rzaatm.htm#x2391806">mapping program</a>, <a href="rzaatm.htm#x2029792">mapping object</a>.</dd>
|
||
|
|
<dt id="x2033425" class="bold">
|
||
|
|
<a name="x2033425"></a>PDM</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035083">Programming
|
||
|
|
Development Manager</a>.</dd>
|
||
|
|
<dt id="x2033429" class="bold">
|
||
|
|
<a name="x2033429"></a>PDML</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033105">Panel
|
||
|
|
Definition Markup Language</a>.</dd>
|
||
|
|
<dt id="x2033433" class="bold">
|
||
|
|
<a name="x2033433"></a>PDN</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035417">public
|
||
|
|
data network</a>.</dd>
|
||
|
|
<dt id="x2009519" class="bold">
|
||
|
|
<a name="x2009519"></a>PDS</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2003673">partitioned
|
||
|
|
data set</a>.</dd>
|
||
|
|
<dt id="x2033437" class="bold">
|
||
|
|
<a name="x2033437"></a>PDU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035284">protocol
|
||
|
|
data unit</a>.</dd>
|
||
|
|
<dt id="x2272205" class="bold">
|
||
|
|
<a name="x2272205"></a>PDV</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034370">presentation
|
||
|
|
data value</a>.</dd>
|
||
|
|
<dt id="x2033445" class="bold">
|
||
|
|
<a name="x2033445"></a>PDV report</dt>
|
||
|
|
<dd>In OSI, an output file
|
||
|
|
produced by the Abstract Syntax Checker that shows the names of the PDVs in
|
||
|
|
the input module and the data structures that comprise them.</dd>
|
||
|
|
<dt id="x2033450" class="bold">
|
||
|
|
<a name="x2033450"></a>peer</dt>
|
||
|
|
<dd>A general term for the corresponding
|
||
|
|
node or entity with which one communicates.</dd>
|
||
|
|
<dt id="x2033455" class="bold">
|
||
|
|
<a name="x2033455"></a>peer application entity</dt>
|
||
|
|
<dd>In OSI, the
|
||
|
|
corresponding application entity with which a local application entity communicates.</dd>
|
||
|
|
<dt id="x2033460" class="bold">
|
||
|
|
<a name="x2033460"></a>peer entity</dt>
|
||
|
|
<dd>In OSI, an entity within
|
||
|
|
the same layer.</dd>
|
||
|
|
<dt id="x2033478" class="bold">
|
||
|
|
<a name="x2033478"></a>pending</dt>
|
||
|
|
<dd>Pertaining to a submitted
|
||
|
|
request that is awaiting processing.</dd>
|
||
|
|
<dt id="x2033483" class="bold">
|
||
|
|
<a name="x2033483"></a>PEP</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035028">program
|
||
|
|
entry procedure</a>.</dd>
|
||
|
|
<dt id="x2033487" class="bold">
|
||
|
|
<a name="x2033487"></a>percolate</dt>
|
||
|
|
<dd>In the Integrated Language Environment® (ILE) model, to decline to handle an exception. The unchanged exception
|
||
|
|
is passed on to the next exception handler.</dd>
|
||
|
|
<dt id="x2033492" class="bold">
|
||
|
|
<a name="x2033492"></a>performance</dt>
|
||
|
|
<dd>A major factor in measuring
|
||
|
|
system productivity. Performance is determined by a combination of throughput,
|
||
|
|
response time, and availability.</dd>
|
||
|
|
<dt id="x2033497" class="bold">
|
||
|
|
<a name="x2033497"></a>performance data</dt>
|
||
|
|
<dd>Information about
|
||
|
|
the operation of a system or a network of systems that can be used to understand
|
||
|
|
response times and throughputs and to predict the effects of certain system
|
||
|
|
operational changes or programming changes.</dd>
|
||
|
|
<dt id="x2033502" class="bold">
|
||
|
|
<a name="x2033502"></a>performance management</dt>
|
||
|
|
<dd>In System
|
||
|
|
Manager, the discipline that encompasses capacity planning, collecting performance
|
||
|
|
data, and tuning resources.</dd>
|
||
|
|
<dt id="x2230801" class="bold">
|
||
|
|
<a name="x2230801"></a>Performance Management for eServer™ iSeries (PM eServer iSeries, PM iSeries)</dt>
|
||
|
|
<dd>A function of the i5/OS operating system that provides automated collection
|
||
|
|
of performance data, that reduces the data daily, and that manages the amount
|
||
|
|
of storage that is used by the collected data. This function was previously
|
||
|
|
known as Performance Management/400 (PM/400).</dd>
|
||
|
|
<dt id="x2033517" class="bold">
|
||
|
|
<a name="x2033517"></a>Performance Tools</dt>
|
||
|
|
<dd>The IBM licensed program
|
||
|
|
that allows a user to display, report, graph, and analyze performance data.</dd>
|
||
|
|
<dt id="x2033522" class="bold">
|
||
|
|
<a name="x2033522"></a>per-hop behavior</dt>
|
||
|
|
<dd>A description of
|
||
|
|
an external and observable forwarding treatment. Routers use the per-hop behavior
|
||
|
|
code points to give network traffic a certain priority. A per-hop behavior
|
||
|
|
is applied to each Internet Protocol (IP) packet when differentiated services
|
||
|
|
is designated. The six bits of the differentiated services code-point field
|
||
|
|
designate the per-hop behavior.</dd>
|
||
|
|
<dt id="x2033527" class="bold">
|
||
|
|
<a name="x2033527"></a>Peripheral Component Interconnect (PCI)</dt>
|
||
|
|
<dd>A local bus for personal computers that provides a high-speed data path
|
||
|
|
between the processor and attached devices. See also <a href="rzaatp.htm#x2240701">Peripheral Component Interconnect-X</a>.</dd>
|
||
|
|
<dt id="x2240701" class="bold">
|
||
|
|
<a name="x2240701"></a>Peripheral Component Interconnect-X (PCI-X)</dt>
|
||
|
|
<dd>An enhancement to the Peripheral Component Interconnect (PCI) architecture.
|
||
|
|
See also <a href="rzaatp.htm#x2033527">Peripheral Component Interconnect</a>.</dd>
|
||
|
|
<dt id="x2033532" class="bold">
|
||
|
|
<a name="x2033532"></a>peripheral node</dt>
|
||
|
|
<dd>In SNA, a location
|
||
|
|
that uses local addresses for routing and, therefore, is not affected by changes
|
||
|
|
in network addresses. A peripheral node requires boundary function assistance
|
||
|
|
from an adjacent subarea node. A peripheral node can be a type 1, 2.0, or
|
||
|
|
2.1 node connected to a subarea boundary node.</dd>
|
||
|
|
<dt id="x2033537" class="bold">
|
||
|
|
<a name="x2033537"></a>permanent error</dt>
|
||
|
|
<dd>An error--for example,
|
||
|
|
a hardware component failure--that can be corrected only by external intervention.
|
||
|
|
See also <a href="rzaatt.htm#x2041937">transient error</a>.</dd>
|
||
|
|
<dt id="x2033545" class="bold">
|
||
|
|
<a name="x2033545"></a>permanent event</dt>
|
||
|
|
<dd>In OSI, an event
|
||
|
|
that indicates the occurrence of an irrecoverable error--one that makes a
|
||
|
|
resource unavailable or causes OSI Communications Subsystem to stop. Permanent
|
||
|
|
events are logged and generate a message to the operator. See also <a href="rzaatt.htm#x2041942">transient event</a>.</dd>
|
||
|
|
<dt id="x2033550" class="bold">
|
||
|
|
<a name="x2033550"></a>permanently maintained path</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
a CLNS path to an adjacent node that is maintained until OSI Communications
|
||
|
|
Subsystem is restarted.</dd>
|
||
|
|
<dt id="x2033555" class="bold">
|
||
|
|
<a name="x2033555"></a>permanent object</dt>
|
||
|
|
<dd>An object, such
|
||
|
|
as a database files or program, that stays in the system until a user with
|
||
|
|
the required authority deletes it.</dd>
|
||
|
|
<dt id="x2033560" class="bold">
|
||
|
|
<a name="x2033560"></a>permanent virtual circuit (PVC)</dt>
|
||
|
|
<dd>A virtual circuit that has a logical channel permanently assigned to it at
|
||
|
|
each data terminal equipment (DTE). A call establishment protocol is not required.
|
||
|
|
The permanent virtual circuit establishes the identity of the called party
|
||
|
|
within the network services contract.</dd>
|
||
|
|
<dt id="x2218601" class="bold">
|
||
|
|
<a name="x2218601"></a>permission</dt>
|
||
|
|
<dd>An authority possessed
|
||
|
|
by a process. Authorities are based on the effective user ID and effective
|
||
|
|
group ID of the process.</dd>
|
||
|
|
<dt id="x2033575" class="bold">
|
||
|
|
<a name="x2033575"></a>persist</dt>
|
||
|
|
<dd>To be maintained across session
|
||
|
|
boundaries, usually in nonvolatile storage such as a database system or a
|
||
|
|
directory.</dd>
|
||
|
|
<dt id="x2003751" class="bold">
|
||
|
|
<a name="x2003751"></a>persistence</dt>
|
||
|
|
<dd>A characteristic of data
|
||
|
|
that is maintained across session boundaries, or of an object that continues
|
||
|
|
to exist after the execution of the program or process that created it, usually
|
||
|
|
in nonvolatile storage such as a database system.</dd>
|
||
|
|
<dt id="x2033583" class="bold">
|
||
|
|
<a name="x2033583"></a>persistent</dt>
|
||
|
|
<dd>Pertaining to data that
|
||
|
|
is maintained across session boundaries, usually in nonvolatile storage such
|
||
|
|
as a database system or a directory.</dd>
|
||
|
|
<dt id="x2033588" class="bold">
|
||
|
|
<a name="x2033588"></a>persistent message</dt>
|
||
|
|
<dd>A message that
|
||
|
|
survives a restart of the queue manager. See also <a href="rzaatn.htm#x2184272">nonpersistent
|
||
|
|
message</a>.</dd>
|
||
|
|
<dt id="x2033593" class="bold">
|
||
|
|
<a name="x2033593"></a>persistent object</dt>
|
||
|
|
<dd>An object whose
|
||
|
|
state can be preserved beyond the ending of the process that created it. Typically,
|
||
|
|
persistent objects are stored in files.</dd>
|
||
|
|
<dt id="x2033598" class="bold">
|
||
|
|
<a name="x2033598"></a>personal digital assistant (PDA)</dt>
|
||
|
|
<dd>A handheld device that is used for personal organization tasks (such as calendaring,
|
||
|
|
note-taking, and recording telephone and fax numbers), and networking functions
|
||
|
|
such as e-mail and synchronization.</dd>
|
||
|
|
<dt id="x2033603" class="bold">
|
||
|
|
<a name="x2033603"></a>personal identification number (PIN)</dt>
|
||
|
|
<dd>In Cryptographic Support, a unique number assigned by an organization to an
|
||
|
|
individual and used as proof of identity. PINs are commonly assigned by financial
|
||
|
|
institutions to their customers.</dd>
|
||
|
|
<dt id="x2033608" class="bold">
|
||
|
|
<a name="x2033608"></a>personal settings</dt>
|
||
|
|
<dd>A choice that allows
|
||
|
|
a user to display or change the characteristics or properties of an object.
|
||
|
|
For example, a user can customize the interface by specifying how the menu
|
||
|
|
bar, status area, and information area are displayed.</dd>
|
||
|
|
<dt id="x2033613" class="bold">
|
||
|
|
<a name="x2033613"></a>PFD</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034661">printout
|
||
|
|
format definition</a>.</dd>
|
||
|
|
<dt id="x2033621" class="bold">
|
||
|
|
<a name="x2033621"></a>PFU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034642">print
|
||
|
|
format utility</a>.</dd>
|
||
|
|
<dt id="x2033625" class="bold">
|
||
|
|
<a name="x2033625"></a>PGR</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034375">presentation
|
||
|
|
graphics routines</a>.</dd>
|
||
|
|
<dt id="x2003756" class="bold">
|
||
|
|
<a name="x2003756"></a>phantom row</dt>
|
||
|
|
<dd>A table row that can
|
||
|
|
be read by application processes that are executing with any isolation level
|
||
|
|
except repeatable read. When an application process issues the same query
|
||
|
|
multiple times within a single unit of work, additional rows can appear between
|
||
|
|
queries because of the data being inserted and committed by application processes
|
||
|
|
that are running concurrently.</dd>
|
||
|
|
<dt id="x2033629" class="bold">
|
||
|
|
<a name="x2033629"></a>phase encoding</dt>
|
||
|
|
<dd>Pertaining to a magnetic
|
||
|
|
recording method in which each storage cell is divided into two regions that
|
||
|
|
are magnetized in opposite directions; the sequence of the magnetic direction
|
||
|
|
indicates whether the binary character represented is 0 or 1.</dd>
|
||
|
|
<dt id="x2033642" class="bold">
|
||
|
|
<a name="x2033642"></a>Phase II negotiation</dt>
|
||
|
|
<dd>A negotiation
|
||
|
|
that establishes Security Associations (SAs) that protect your data exchanges.
|
||
|
|
A Phase II negotiation is governed by data policies.</dd>
|
||
|
|
<dt id="x2033637" class="bold">
|
||
|
|
<a name="x2033637"></a>Phase I negotiation</dt>
|
||
|
|
<dd>A negotiation
|
||
|
|
that establishes the protection suite for the Internet Key Exchange (IKE)
|
||
|
|
messages themselves. A Phase I negotiation determines how to protect a Phase
|
||
|
|
II negotiation. A Phase I negotiation is governed by key policies.</dd>
|
||
|
|
<dt id="x2033647" class="bold">
|
||
|
|
<a name="x2033647"></a>phonetic</dt>
|
||
|
|
<dd>Relating to spoken language
|
||
|
|
or speech sounds.</dd>
|
||
|
|
<dt id="x2033652" class="bold">
|
||
|
|
<a name="x2033652"></a>phrase</dt>
|
||
|
|
<dd>(1) An ordered set of one or more
|
||
|
|
consecutive COBOL character strings that forms part of a clause or a Procedure
|
||
|
|
Division statement.</dd>
|
||
|
|
<dd>(2) One or more words that together form a unit
|
||
|
|
that is to be searched for in the content of a document.</dd>
|
||
|
|
<dt id="x2033660" class="bold">
|
||
|
|
<a name="x2033660"></a>physical circuit</dt>
|
||
|
|
<dd>A circuit established
|
||
|
|
without multiplexing. See also <a href="rzaatv.htm#x2043138">virtual circuit</a>.</dd>
|
||
|
|
<dt id="x2190507" class="bold">
|
||
|
|
<a name="x2190507"></a>physical data block</dt>
|
||
|
|
<dd>A string of data
|
||
|
|
elements or a group of records that is received, recorded, processed, or transmitted
|
||
|
|
as a unit. In AIX®, blocks are separated by interblock gaps and each block
|
||
|
|
might contain one or more records. The elements in a block might be characters,
|
||
|
|
words, physical records, or contiguous data pages in a buffer pool.</dd>
|
||
|
|
<dt id="x2247506" class="bold">
|
||
|
|
<a name="x2247506"></a>physical device</dt>
|
||
|
|
<dd>An I/O device that
|
||
|
|
is assigned to a logical partition and that is used directly.</dd>
|
||
|
|
<dt id="x2033665" class="bold">
|
||
|
|
<a name="x2033665"></a>physical disk I/O</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, a disk operation for reading or writing data.</dd>
|
||
|
|
<dt id="x2033670" class="bold">
|
||
|
|
<a name="x2033670"></a>physical file</dt>
|
||
|
|
<dd>A description of how
|
||
|
|
data is to be presented to or received from a program and how data is actually
|
||
|
|
stored in the database. A physical file contains one record format and one
|
||
|
|
or more members. See also <a href="rzaatl.htm#x2029156">logical file</a>.</dd>
|
||
|
|
<dt id="x2033675" class="bold">
|
||
|
|
<a name="x2033675"></a>physical file member</dt>
|
||
|
|
<dd>A named subset
|
||
|
|
of the data records in a physical file.</dd>
|
||
|
|
<dt id="x2033680" class="bold">
|
||
|
|
<a name="x2033680"></a>physical interface</dt>
|
||
|
|
<dd>A device for a
|
||
|
|
given system, such as an I/O adapter for a token-ring network or an Ethernet
|
||
|
|
network, that provides the physical connection to a network.</dd>
|
||
|
|
<dt id="x2033685" class="bold">
|
||
|
|
<a name="x2033685"></a>physical layer</dt>
|
||
|
|
<dd>The OSI layer that
|
||
|
|
provides the mechanical, electrical, functional, and procedural means to start,
|
||
|
|
maintain, and deactivate physical connections for transmissions between data-link
|
||
|
|
entities.</dd>
|
||
|
|
<dt id="x2033690" class="bold">
|
||
|
|
<a name="x2033690"></a>physical level</dt>
|
||
|
|
<dd>In X.25, a standard
|
||
|
|
that defines the electrical, physical, functional, and procedural methods
|
||
|
|
used to control the physical connection between the data terminal equipment
|
||
|
|
(DTE) and the data circuit-terminating equipment (DCE).</dd>
|
||
|
|
<dt id="x2033695" class="bold">
|
||
|
|
<a name="x2033695"></a>physical page</dt>
|
||
|
|
<dd>In COBOL, a device-dependent
|
||
|
|
concept defined by the action taken by a printer when a new page is requested.</dd>
|
||
|
|
<dt id="x2033700" class="bold">
|
||
|
|
<a name="x2033700"></a>physical resource</dt>
|
||
|
|
<dd>In OSI, any resource
|
||
|
|
of a computer available to do work, such as the processor, main storage, or
|
||
|
|
a line. See also <a href="rzaatl.htm#x2029223">logical resource</a>.</dd>
|
||
|
|
<dt id="x2033705" class="bold">
|
||
|
|
<a name="x2033705"></a>physical services header (PSH)</dt>
|
||
|
|
<dd>An
|
||
|
|
X.25 protocol used by IBM Systems Network Architecture (SNA) data terminal equipment
|
||
|
|
(DTE). Physical services header provides address services for physically connected
|
||
|
|
systems or devices. The iSeries system does not support PSH. See also <a href="rzaate.htm#x2026878">enhanced logical link control</a>, <a href="rzaatq.htm#x2035555">qualified logical link control</a>.</dd>
|
||
|
|
<dt id="x2003791" class="bold">
|
||
|
|
<a name="x2003791"></a>physical unit (PU)</dt>
|
||
|
|
<dd>In SNA, one of
|
||
|
|
three types of network addressable units. A physical unit exists in each node
|
||
|
|
of an SNA network to manage and monitor the resources (such as attached links
|
||
|
|
and adjacent link stations) of a node, as requested by a system services control
|
||
|
|
point logical unit (SSCP-LU) session.</dd>
|
||
|
|
<dt id="x2033713" class="bold">
|
||
|
|
<a name="x2033713"></a>physical unit type (PU type)</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
the classification of a physical unit according to the type of node in which
|
||
|
|
it resides. The physical unit type is the same as its node type; that is,
|
||
|
|
a type 1 physical unit resides in a type 1 node, and so on.</dd>
|
||
|
|
<dt id="x2033718" class="bold">
|
||
|
|
<a name="x2033718"></a>pica</dt>
|
||
|
|
<dd>A unit of about 1/6 inch used
|
||
|
|
in measuring typographical material.</dd>
|
||
|
|
<dt id="x2033723" class="bold">
|
||
|
|
<a name="x2033723"></a>PICS</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033832">Platform
|
||
|
|
for Internet Content Selection</a>.</dd>
|
||
|
|
<dt id="x2033727" class="bold">
|
||
|
|
<a name="x2033727"></a>picture element (pixel)</dt>
|
||
|
|
<dd>The smallest
|
||
|
|
printable or displayable unit that can be created on a presentation device,
|
||
|
|
such as a computer, scanner, or printer. Picture elements per inch is often
|
||
|
|
used as a measurement of device resolution. When used with a number, pel indicates
|
||
|
|
resolution. Examples include 240-pel and 300-pel. When used in this way, pel
|
||
|
|
and dpi (dots per inch) are interchangeable terms. Typical monitors display
|
||
|
|
between 72 and 96 pixels per inch. Characters and graphics are created by
|
||
|
|
turning pixels on or off.</dd>
|
||
|
|
<dt id="x2033732" class="bold">
|
||
|
|
<a name="x2033732"></a>picture space</dt>
|
||
|
|
<dd>In the GDDM function, the
|
||
|
|
area of the page that contains the graphics.</dd>
|
||
|
|
<dt id="x2046501" class="bold">
|
||
|
|
<a name="x2046501"></a>PII</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035048">program
|
||
|
|
integrated information</a>.</dd>
|
||
|
|
<dt id="x2033742" class="bold">
|
||
|
|
<a name="x2033742"></a>PIN</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033603">personal
|
||
|
|
identification number</a>.</dd>
|
||
|
|
<dt id="x2033737" class="bold">
|
||
|
|
<a name="x2033737"></a>pin</dt>
|
||
|
|
<dd>Part of an electrical connection.</dd>
|
||
|
|
<dt id="x2033746" class="bold">
|
||
|
|
<a name="x2033746"></a>PIN check length</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, the number of digits from the personal identification number that
|
||
|
|
are verified.</dd>
|
||
|
|
<dt id="x2033751" class="bold">
|
||
|
|
<a name="x2033751"></a>ping</dt>
|
||
|
|
<dd>The command that sends an Internet
|
||
|
|
Control Message Protocol (ICMP) echo-request packet to a gateway, router,
|
||
|
|
or host with the expectation of receiving a reply.</dd>
|
||
|
|
<dt id="x2033766" class="bold">
|
||
|
|
<a name="x2033766"></a>PIN translation</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, the conversion of a personal identification number (PIN) encrypted
|
||
|
|
under an input PIN-protection key to encryption under an output PIN-protection
|
||
|
|
key.</dd>
|
||
|
|
<dt id="x2033771" class="bold">
|
||
|
|
<a name="x2033771"></a>PIN-validation key</dt>
|
||
|
|
<dd>In Cryptographic
|
||
|
|
Support, a key-encrypting key used to encrypt the validation data in the process
|
||
|
|
of creating a customer's personal identification number (PIN).</dd>
|
||
|
|
<dt id="x2033776" class="bold">
|
||
|
|
<a name="x2033776"></a>PIP</dt>
|
||
|
|
<dd>(1) See <a href="rzaatp.htm#x2143143">program
|
||
|
|
initialization parameter</a>.</dd>
|
||
|
|
<dd>(2) See <a href="rzaatp.htm#x2034772">problem
|
||
|
|
isolation procedure</a>.</dd>
|
||
|
|
<dd>(3) See <a href="rzaatp.htm#x2034308">prepare in
|
||
|
|
progress</a>.</dd>
|
||
|
|
<dt id="x2033780" class="bold">
|
||
|
|
<a name="x2033780"></a>PIP data area</dt>
|
||
|
|
<dd>A 2000-byte data area
|
||
|
|
that is associated with each prestart job. The PIP data area is used to hold
|
||
|
|
program initialization parameters that are passed on the program start request
|
||
|
|
to the prestart job.</dd>
|
||
|
|
<dt id="x2033790" class="bold">
|
||
|
|
<a name="x2033790"></a>pitch</dt>
|
||
|
|
<dd>The number of characters printed
|
||
|
|
per inch.</dd>
|
||
|
|
<dt id="x2033795" class="bold">
|
||
|
|
<a name="x2033795"></a>PIU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033331">path
|
||
|
|
information unit</a>.</dd>
|
||
|
|
<dt id="x2046624" class="bold">
|
||
|
|
<a name="x2046624"></a>pixel</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033727">picture element</a>.</dd>
|
||
|
|
<dt id="x2184424" class="bold">
|
||
|
|
<a name="x2184424"></a>PKI</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2184422">public
|
||
|
|
key infrastructure</a>.</dd>
|
||
|
|
<dt id="x2033799" class="bold">
|
||
|
|
<a name="x2033799"></a>placeholder</dt>
|
||
|
|
<dd>(1) In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, information
|
||
|
|
about a part of the target group that indicates to which group a part can
|
||
|
|
be promoted. Placeholders are created automatically when new parts are created.</dd>
|
||
|
|
<dd>(2) The symbol, consisting of a single period in a REXX parsing template,
|
||
|
|
that can be replaced by a value while running a REXX program. A placeholder
|
||
|
|
has the same effect as a variable name, except that no variable is set.</dd>
|
||
|
|
<dt id="x2033807" class="bold">
|
||
|
|
<a name="x2033807"></a>place operation</dt>
|
||
|
|
<dd>In AFP Utilities, an
|
||
|
|
operation that defines a page segment or a record layout in an AFP resource.</dd>
|
||
|
|
<dt id="x2033812" class="bold">
|
||
|
|
<a name="x2033812"></a>plaintext</dt>
|
||
|
|
<dd>In cryptography, any data
|
||
|
|
that is not encrypted. Encryption transforms plaintext to ciphertext and decryption
|
||
|
|
transforms ciphertext into plaintext. See also <a href="rzaatc.htm#x2016788">ciphertext</a>.</dd>
|
||
|
|
<dt id="x2033822" class="bold">
|
||
|
|
<a name="x2033822"></a>planar</dt>
|
||
|
|
<dd>A hardware part that has (in
|
||
|
|
one or more planes) logic paths, low-voltage distribution paths, or grounding
|
||
|
|
paths of a section of a machine.</dd>
|
||
|
|
<dt id="x2033827" class="bold">
|
||
|
|
<a name="x2033827"></a>platform</dt>
|
||
|
|
<dd>The combination of an operating
|
||
|
|
system and hardware that makes up the operating environment in which a program
|
||
|
|
runs.</dd>
|
||
|
|
<dt id="x2033832" class="bold">
|
||
|
|
<a name="x2033832"></a>Platform for Internet Content Selection (PICS)</dt>
|
||
|
|
<dd>A specification that enables Internet users to filter the material
|
||
|
|
they encounter when they surf the Web. Users can accept or reject the material
|
||
|
|
according to its ratings. This specification enables parents, businesses,
|
||
|
|
schools, or discerning individuals to block access to inappropriate and objectionable
|
||
|
|
material.</dd>
|
||
|
|
<dt id="x2033837" class="bold">
|
||
|
|
<a name="x2033837"></a>playback</dt>
|
||
|
|
<dd>A technique in which a history
|
||
|
|
of all or part of a program is recorded. The recording allows the user to
|
||
|
|
regenerate the input and output in either the forward or backward direction.
|
||
|
|
This technique is used in debugging.</dd>
|
||
|
|
<dt id="x2033842" class="bold">
|
||
|
|
<a name="x2033842"></a>playback sequence</dt>
|
||
|
|
<dd>A series of characters
|
||
|
|
or function keys assigned to a single function key to be used instead of typing
|
||
|
|
the sequence each time.</dd>
|
||
|
|
<dt id="x2033847" class="bold">
|
||
|
|
<a name="x2033847"></a>plenum</dt>
|
||
|
|
<dd>A space used for environmental
|
||
|
|
air; for example, the space above a suspended ceiling.</dd>
|
||
|
|
<dt id="x2033852" class="bold">
|
||
|
|
<a name="x2033852"></a>plenum cable</dt>
|
||
|
|
<dd>A cable that is listed
|
||
|
|
by the Underwriters Laboratory (UL) as having adequate fire resistance and
|
||
|
|
low smoke-producing characteristics for installation without conduit in ducts,
|
||
|
|
plenums, and other spaces used for environmental air, as permitted by National
|
||
|
|
Electrical Code Articles 725-2(b) and 800-3(d).</dd>
|
||
|
|
<dt id="x2033857" class="bold">
|
||
|
|
<a name="x2033857"></a>PL/I</dt>
|
||
|
|
<dd>A programming language designed
|
||
|
|
for use in a wide range of commercial and scientific computer applications.</dd>
|
||
|
|
<dt id="x2033862" class="bold">
|
||
|
|
<a name="x2033862"></a>plot</dt>
|
||
|
|
<dd>To represent graphically on
|
||
|
|
a medium.</dd>
|
||
|
|
<dt id="x2033867" class="bold">
|
||
|
|
<a name="x2033867"></a>plotter</dt>
|
||
|
|
<dd>A device that uses one or
|
||
|
|
more pens to draw images with lines on paper or other media.</dd>
|
||
|
|
<dt id="x2033872" class="bold">
|
||
|
|
<a name="x2033872"></a>PLU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034493">primary
|
||
|
|
logical unit</a>.</dd>
|
||
|
|
<dt id="x2033876" class="bold">
|
||
|
|
<a name="x2033876"></a>Plug and Play</dt>
|
||
|
|
<dd>An Intel® standard for the
|
||
|
|
design of PC expansion boards. It enables computers to recognize new peripheral
|
||
|
|
devices without additional configuration steps.</dd>
|
||
|
|
<dt id="x2033881" class="bold">
|
||
|
|
<a name="x2033881"></a>plug-in</dt>
|
||
|
|
<dd>A separately installable
|
||
|
|
component of iSeries Navigator. A plug-in adds folders and objects to
|
||
|
|
the hierarchy tree, choices to iSeries Navigator menus, and property pages
|
||
|
|
to the property sheet for a folder or object.</dd>
|
||
|
|
<dt id="x2033886" class="bold">
|
||
|
|
<a name="x2033886"></a>plug-in support</dt>
|
||
|
|
<dd>A part of the server
|
||
|
|
that adds client/server function and tools to the iSeries Navigator
|
||
|
|
tree and enhances existing iSeries Navigator function.</dd>
|
||
|
|
<dt id="x2033891" class="bold">
|
||
|
|
<a name="x2033891"></a>ply</dt>
|
||
|
|
<dd>A layer of paper.</dd>
|
||
|
|
<dt id="x2230912" class="bold">
|
||
|
|
<a name="x2230912"></a>PM eServer iSeries</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2230801">Performance Management for eServer iSeries</a>.</dd>
|
||
|
|
<dt id="x2230914" class="bold">
|
||
|
|
<a name="x2230914"></a>PM iSeries</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2230801">Performance Management for eServer iSeries</a>.</dd>
|
||
|
|
<dt id="x2389601" class="bold">
|
||
|
|
<a name="x2389601"></a>POE</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2353235">Proof
|
||
|
|
of Entitlement</a>.</dd>
|
||
|
|
<dt id="x2033908" class="bold">
|
||
|
|
<a name="x2033908"></a>point</dt>
|
||
|
|
<dd>(1) A unit of measurement used
|
||
|
|
mainly for describing type sizes. Each pica has 12 points, and an inch has
|
||
|
|
approximately 72 points.</dd>
|
||
|
|
<dd>(2) The second byte of a DBCS code, which
|
||
|
|
uniquely identifies double-byte characters in the same ward. See also <a href="rzaatw.htm#x2012322">ward</a>.</dd>
|
||
|
|
<dt id="x2033916" class="bold">
|
||
|
|
<a name="x2033916"></a>pointer</dt>
|
||
|
|
<dd>(1) The symbol shown on a display
|
||
|
|
or window that a user can move with a pointing device, such as a mouse.</dd>
|
||
|
|
<dd>(2) In the C and C++ language, a variable that holds the address of a data
|
||
|
|
object or a function. See also <a href="rzaats.htm#x2037684">scalar</a>.</dd>
|
||
|
|
<dt id="x2033924" class="bold">
|
||
|
|
<a name="x2033924"></a>pointer alignment</dt>
|
||
|
|
<dd>The COBOL compiler's
|
||
|
|
process of positioning pointer items within a group item to offsets that are
|
||
|
|
multiples of 16 bytes from the beginning of the record.</dd>
|
||
|
|
<dt id="x2033929" class="bold">
|
||
|
|
<a name="x2033929"></a>pointer data item</dt>
|
||
|
|
<dd>In the COBOL program,
|
||
|
|
a data item in which address values can be stored. Pointer data items can
|
||
|
|
be compared for equality or moved to other pointer data items.</dd>
|
||
|
|
<dt id="x2033934" class="bold">
|
||
|
|
<a name="x2033934"></a>pointing device</dt>
|
||
|
|
<dd>An instrument, such
|
||
|
|
as a mouse, used to move a pointer on the display.</dd>
|
||
|
|
<dt id="x2033939" class="bold">
|
||
|
|
<a name="x2033939"></a>point-of-presence</dt>
|
||
|
|
<dd>A system that has
|
||
|
|
been identified as a contact point for another subnetwork for the purposes
|
||
|
|
of collecting topology information.</dd>
|
||
|
|
<dt id="x2033944" class="bold">
|
||
|
|
<a name="x2033944"></a>point-of-sale</dt>
|
||
|
|
<dd>In retail communications
|
||
|
|
and Point-of-Sale Utility, pertaining to a method of providing information
|
||
|
|
to support sales and of collecting the resulting sales information from retail
|
||
|
|
devices located in stores.</dd>
|
||
|
|
<dt id="x2033949" class="bold">
|
||
|
|
<a name="x2033949"></a>point-of-sale device</dt>
|
||
|
|
<dd>In retail communications
|
||
|
|
and Point-of-Sale Utility, a device that, together with the store controller,
|
||
|
|
provides retail transaction, data collection, credit authorization, price
|
||
|
|
information, and other inquiry and data entry functions.</dd>
|
||
|
|
<dt id="x2033954" class="bold">
|
||
|
|
<a name="x2033954"></a>point-of-sale system</dt>
|
||
|
|
<dd>In retail communications
|
||
|
|
and Point-of-Sale Utility, a retail environment system consisting of a store
|
||
|
|
controller and one or more point-of-sale devices.</dd>
|
||
|
|
<dt id="x2033959" class="bold">
|
||
|
|
<a name="x2033959"></a>Point-of-Sale Utility (POS)</dt>
|
||
|
|
<dd>The IBM licensed
|
||
|
|
program that provides connectivity between the system and retail controllers.
|
||
|
|
In addition, the licensed program provides file conversion capabilities through
|
||
|
|
the retail file conversion system.</dd>
|
||
|
|
<dt id="x2033964" class="bold">
|
||
|
|
<a name="x2033964"></a>point-to-point</dt>
|
||
|
|
<dd>Pertaining to data
|
||
|
|
transmission between two locations without the use of any intermediate display
|
||
|
|
station or computer.</dd>
|
||
|
|
<dt id="x2033969" class="bold">
|
||
|
|
<a name="x2033969"></a>point-to-point line</dt>
|
||
|
|
<dd>A communications
|
||
|
|
line that connects a single remote station to a computer. See also <a href="rzaatm.htm#x2030879">multipoint line</a>.</dd>
|
||
|
|
<dt id="x2033974" class="bold">
|
||
|
|
<a name="x2033974"></a>point-to-point link</dt>
|
||
|
|
<dd>A connection
|
||
|
|
that uses the Point-to-Point Protocol (PPP).</dd>
|
||
|
|
<dt id="x2033979" class="bold">
|
||
|
|
<a name="x2033979"></a>point-to-point profile</dt>
|
||
|
|
<dd>A set of data
|
||
|
|
that is used to establish a point-to-point link.</dd>
|
||
|
|
<dt id="x2033984" class="bold">
|
||
|
|
<a name="x2033984"></a>Point-to-Point Protocol (PPP)</dt>
|
||
|
|
<dd>A data-link
|
||
|
|
protocol for communication between two computers that use a serial interface,
|
||
|
|
typically a personal computer connected by telephone line to a server.</dd>
|
||
|
|
<dt id="x2033989" class="bold">
|
||
|
|
<a name="x2033989"></a>policing</dt>
|
||
|
|
<dd>In QoS, the process of discarding
|
||
|
|
packets (by a dropper) within a traffic stream according to the state of a
|
||
|
|
corresponding meter that enforces a traffic profile.</dd>
|
||
|
|
<dt id="x2011359" class="bold">
|
||
|
|
<a name="x2011359"></a>policy</dt>
|
||
|
|
<dd>(1) In the Backup Recovery and
|
||
|
|
Media Services licensed program, a named or otherwise identifiable set of
|
||
|
|
controls used by Backup Recovery and Media Services to manage and control
|
||
|
|
specific operations. A policy is an overriding value that is carried in tables
|
||
|
|
for use as a default in processing backup, recovery, archive, and media management
|
||
|
|
operations.</dd>
|
||
|
|
<dd>(2) In QoS, the combination of rules and services. The
|
||
|
|
rules define the criteria for traffic treatment, network resource access,
|
||
|
|
and use.</dd>
|
||
|
|
<dt id="x2034000" class="bold">
|
||
|
|
<a name="x2034000"></a>poll</dt>
|
||
|
|
<dd>(1) In Managed System Services,
|
||
|
|
to query devices to determine operational status and to collect system data.</dd>
|
||
|
|
<dd>(2) To determine if any remote device on a communications line is
|
||
|
|
ready to send data.</dd>
|
||
|
|
<dt id="x2034008" class="bold">
|
||
|
|
<a name="x2034008"></a>polling</dt>
|
||
|
|
<dd>(1) The process whereby stations
|
||
|
|
are invited, one at a time, to transmit. The polling process usually involves
|
||
|
|
the sequential interrogation of several data stations.</dd>
|
||
|
|
<dd>(2) Interrogation
|
||
|
|
of devices for such purposes as to avoid contention, to determine operational
|
||
|
|
status, or to determine readiness to send or receive data.</dd>
|
||
|
|
<dt id="x2034016" class="bold">
|
||
|
|
<a name="x2034016"></a>polling interval</dt>
|
||
|
|
<dd>The time between
|
||
|
|
the start of each polling session for this system.</dd>
|
||
|
|
<dt id="x2034021" class="bold">
|
||
|
|
<a name="x2034021"></a>polling list</dt>
|
||
|
|
<dd>A list of addresses
|
||
|
|
that the host system uses to control the polling of control units or devices
|
||
|
|
on a BSC or SDLC multipoint line. A general polling list contains the addresses
|
||
|
|
of the control units only; a specific polling list contains the addresses
|
||
|
|
of the devices, which include the addresses of the control units.</dd>
|
||
|
|
<dt id="x2034026" class="bold">
|
||
|
|
<a name="x2034026"></a>polyfillet</dt>
|
||
|
|
<dd>In the GDDM function, a
|
||
|
|
curve based on a sequence of lines. A polyfillet is a curved line that is
|
||
|
|
tangent to the end points of the first and last lines and tangent to the midpoints
|
||
|
|
of all other lines.</dd>
|
||
|
|
<dt id="x2034031" class="bold">
|
||
|
|
<a name="x2034031"></a>polygon</dt>
|
||
|
|
<dd>In the GDDM function, a
|
||
|
|
sequence of adjoining straight lines that enclose an area.</dd>
|
||
|
|
<dt id="x2034036" class="bold">
|
||
|
|
<a name="x2034036"></a>polyline</dt>
|
||
|
|
<dd>In computer graphics, a
|
||
|
|
sequence of adjoining lines.</dd>
|
||
|
|
<dt id="x2034041" class="bold">
|
||
|
|
<a name="x2034041"></a>polymorphism</dt>
|
||
|
|
<dd>An object-oriented programming
|
||
|
|
characteristic that allows a method to perform differently, depending on the
|
||
|
|
class that implements it. Polymorphism allows a subclass to override an inherited
|
||
|
|
method without affecting the parent class's method. Polymorphism also enables
|
||
|
|
a client to access two or more implementations of an object from a single
|
||
|
|
interface.</dd>
|
||
|
|
<dt id="x2034046" class="bold">
|
||
|
|
<a name="x2034046"></a>pool</dt>
|
||
|
|
<dd>(1) A readily available supply.</dd>
|
||
|
|
<dd>(2) A designated place to store data.</dd>
|
||
|
|
<dd>(3) A division of main
|
||
|
|
or auxiliary storage.</dd>
|
||
|
|
<dt id="x2034051" class="bold">
|
||
|
|
<a name="x2034051"></a>pool database faults</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, the total number of interruptions to jobs that were required to transfer
|
||
|
|
data into the pool to permit the program to process the database data.</dd>
|
||
|
|
<dt id="x2034056" class="bold">
|
||
|
|
<a name="x2034056"></a>pool database pages</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, the total number of pages of database data transferred from auxiliary
|
||
|
|
storage to the pool to permit the program to run.</dd>
|
||
|
|
<dt id="x2034061" class="bold">
|
||
|
|
<a name="x2034061"></a>pool nondatabase faults</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, the total number of interruptions to jobs (not necessarily assigned
|
||
|
|
to this pool) that were required to transfer data into the pool to permit
|
||
|
|
the machine interface instruction to access the nondatabase data.</dd>
|
||
|
|
<dt id="x2034066" class="bold">
|
||
|
|
<a name="x2034066"></a>pool nondatabase pages</dt>
|
||
|
|
<dd>In Performance
|
||
|
|
Tools, the total number of pages of nondatabase data transferred from auxiliary
|
||
|
|
storage to the pool to permit the program to run.</dd>
|
||
|
|
<dt id="x2034075" class="bold">
|
||
|
|
<a name="x2034075"></a>pop</dt>
|
||
|
|
<dd>To remove an item from the top
|
||
|
|
of a pushdown list. See also <a href="rzaatp.htm#x2035465">push</a>.</dd>
|
||
|
|
<dt id="x2034071" class="bold">
|
||
|
|
<a name="x2034071"></a>POP</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034190">Post
|
||
|
|
Office Protocol</a>.</dd>
|
||
|
|
<dt id="x2034080" class="bold">
|
||
|
|
<a name="x2034080"></a>pop-up menu</dt>
|
||
|
|
<dd>A menu that appears as
|
||
|
|
the result of some user action (usually clicking the right mouse button) and
|
||
|
|
that contains choices appropriate for the selected object in its current context.
|
||
|
|
Sometimes called a context menu.</dd>
|
||
|
|
<dt id="x2034090" class="bold">
|
||
|
|
<a name="x2034090"></a>port</dt>
|
||
|
|
<dd>(1) An individual user exit point
|
||
|
|
in the mail server framework, for example, QIBM_QZMFMSF_LST_EXP and QIBM_QZMFMSF_ADR_RSL.
|
||
|
|
It is from these ports that snap-in programs are called.</dd>
|
||
|
|
<dd>(2) See <a href="rzaats.htm#x2004647">socket</a>.</dd>
|
||
|
|
<dd>(3) A hardware interface to which an
|
||
|
|
I/O device is attached for the purpose of sending and receiving data.</dd>
|
||
|
|
<dd>(4) An entrance to or exit from a network.</dd>
|
||
|
|
<dd>(5) An end point for
|
||
|
|
communication between applications, generally referring to a logical connection.
|
||
|
|
A port provides queues for sending and receiving data. Each port has a port
|
||
|
|
number for identification. When the port number is combined with an IP address,
|
||
|
|
it is called a socket address.</dd>
|
||
|
|
<dd>(6) In Internet communications, a specific
|
||
|
|
logical connector between the Transmission Control Protocol (TCP) or the User
|
||
|
|
Datagram Protocol (UDP) and a higher-level protocol or application. Some
|
||
|
|
protocols, such as File Transfer Protocol (FTP) and Simple Mail Transfer Protocol
|
||
|
|
(SMTP), use the same well-known port number in all TCP/IP implementations.</dd>
|
||
|
|
<dd>(7) An access point (for example, a logical unit) for data entry
|
||
|
|
or exit. See also <a href="rzaatn.htm#x2003286">node</a>.</dd>
|
||
|
|
<dt id="x2034116" class="bold">
|
||
|
|
<a name="x2034116"></a>portability</dt>
|
||
|
|
<dd>The ability of equipment
|
||
|
|
to be transported manually.</dd>
|
||
|
|
<dt id="x2034124" class="bold">
|
||
|
|
<a name="x2034124"></a>Portable Application Solutions Environment</dt>
|
||
|
|
<dd>A feature of the i5/OS operating system that provides the ability to run
|
||
|
|
certain UNIX® applications. Programs that run in i5/OS PASE have direct access to PowerPC® instructions
|
||
|
|
and access to i5/OS services such as file system support and sockets
|
||
|
|
support.</dd>
|
||
|
|
<dt id="x2034129" class="bold">
|
||
|
|
<a name="x2034129"></a>Portable Document Format (PDF)</dt>
|
||
|
|
<dd>A
|
||
|
|
standard specified by Adobe Systems, Incorporated, for the electronic distribution
|
||
|
|
of documents. PDF files are compact; can be distributed globally via e-mail,
|
||
|
|
the Web, intranets, or CD-ROM; and can be viewed with the Acrobat Reader.</dd>
|
||
|
|
<dt id="x2034134" class="bold">
|
||
|
|
<a name="x2034134"></a>Portable Operating System Interface for Computer
|
||
|
|
Environments (POSIX)</dt>
|
||
|
|
<dd>An IEEE standard for computer operating systems
|
||
|
|
that is based on UNIX. POSIX is not a product; it is an evolving family
|
||
|
|
of standards describing a wide spectrum of operating-system components ranging
|
||
|
|
from C language and shell interfaces to system administration.</dd>
|
||
|
|
<dt id="x2034139" class="bold">
|
||
|
|
<a name="x2034139"></a>port group</dt>
|
||
|
|
<dd>A group of ports identified
|
||
|
|
by the common carrier with a single DTE address. The network directs incoming
|
||
|
|
calls to the first available port, using a sequential search (rotary) technique.</dd>
|
||
|
|
<dt id="x2034144" class="bold">
|
||
|
|
<a name="x2034144"></a>port number</dt>
|
||
|
|
<dd>In Internet communications,
|
||
|
|
the identifier for a logical connector between an application entity and the
|
||
|
|
transport service.</dd>
|
||
|
|
<dt id="x2034149" class="bold">
|
||
|
|
<a name="x2034149"></a>POS</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033959">Point-of-Sale
|
||
|
|
Utility</a>.</dd>
|
||
|
|
<dt id="x2034153" class="bold">
|
||
|
|
<a name="x2034153"></a>position</dt>
|
||
|
|
<dd>(1) Within a string, the ordinal
|
||
|
|
position of one element of a string relative to another.</dd>
|
||
|
|
<dd>(2) Within
|
||
|
|
an attribute, the ordinal position of one value relative to another</dd>
|
||
|
|
<dt id="x2034158" class="bold">
|
||
|
|
<a name="x2034158"></a>positional parameter</dt>
|
||
|
|
<dd>A parameter
|
||
|
|
that must appear in a specified location, relative to other parameters.</dd>
|
||
|
|
<dt id="x2034163" class="bold">
|
||
|
|
<a name="x2034163"></a>positional pattern</dt>
|
||
|
|
<dd>In REXX, a pattern
|
||
|
|
that causes parsing to occur on the basis of location within the input string.
|
||
|
|
A positional pattern takes the form of a signed or unsigned whole number.</dd>
|
||
|
|
<dt id="x2034168" class="bold">
|
||
|
|
<a name="x2034168"></a>positive response</dt>
|
||
|
|
<dd>In SNA, a reply
|
||
|
|
indicating that a request arrived and was successfully received and processed.
|
||
|
|
See also <a href="rzaatn.htm#x2031111">negative response</a>.</dd>
|
||
|
|
<dt id="x2034173" class="bold">
|
||
|
|
<a name="x2034173"></a>POSIX</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034134">Portable Operating System Interface for Computer Environments</a>.</dd>
|
||
|
|
<dt id="x2034177" class="bold">
|
||
|
|
<a name="x2034177"></a>post</dt>
|
||
|
|
<dd>(1) To note the occurrence of an
|
||
|
|
event.</dd>
|
||
|
|
<dd>(2) To add information in a record to keep that record current.</dd>
|
||
|
|
<dt id="x2034185" class="bold">
|
||
|
|
<a name="x2034185"></a>postamble</dt>
|
||
|
|
<dd>A sequence of binary characters
|
||
|
|
recorded at the end of each block of data, on phase-encoded magnetic tape,
|
||
|
|
for synchronization when reading backward.</dd>
|
||
|
|
<dt id="x2034190" class="bold">
|
||
|
|
<a name="x2034190"></a>Post Office Protocol (POP)</dt>
|
||
|
|
<dd>A protocol
|
||
|
|
that is used for exchanging network mail and accessing mailboxes.</dd>
|
||
|
|
<dt id="x2034195" class="bold">
|
||
|
|
<a name="x2034195"></a>postoperation exit program</dt>
|
||
|
|
<dd>A user-written
|
||
|
|
program that is given control after operation of a system function.</dd>
|
||
|
|
<dt id="x2063624" class="bold">
|
||
|
|
<a name="x2063624"></a>PostScript</dt>
|
||
|
|
<dd>A page description language
|
||
|
|
developed by Adobe Systems, Incorporated, that describes how text and graphics
|
||
|
|
are presented on printers and display devices.</dd>
|
||
|
|
<dt id="x2034200" class="bold">
|
||
|
|
<a name="x2034200"></a>Post Telephone and Telegraph Administration (PTT)</dt>
|
||
|
|
<dd>An organization, usually a government department, that provides
|
||
|
|
data communication services in countries or regions other than the USA. Examples
|
||
|
|
of PTTs are the Bundespost in Germany and the Nippon Telephone and Telegraph
|
||
|
|
Public Corporation in Japan.</dd>
|
||
|
|
<dt id="x2034210" class="bold">
|
||
|
|
<a name="x2034210"></a>power control compartment (PCC)</dt>
|
||
|
|
<dd>The rack component that logically controls the application of alternating
|
||
|
|
current power to the units in the rack.</dd>
|
||
|
|
<dt id="x2034215" class="bold">
|
||
|
|
<a name="x2034215"></a>power cord</dt>
|
||
|
|
<dd>The electrical connection
|
||
|
|
between the AC power source and the computer.</dd>
|
||
|
|
<dt id="x2034220" class="bold">
|
||
|
|
<a name="x2034220"></a>power down</dt>
|
||
|
|
<dd>A CL command to turn the
|
||
|
|
power off and bring an orderly end to system operation.</dd>
|
||
|
|
<dt id="x2090164" class="bold">
|
||
|
|
<a name="x2090164"></a>power-on light</dt>
|
||
|
|
<dd>The light on the operator
|
||
|
|
panel that indicates that the DC power in the system unit is functioning.</dd>
|
||
|
|
<dt id="x2034230" class="bold">
|
||
|
|
<a name="x2034230"></a>PowerPC</dt>
|
||
|
|
<dd>A computer architecture
|
||
|
|
that is based on the third generation of RISC processors. PowerPC was developed
|
||
|
|
jointly by Apple, Motorola, and IBM.</dd>
|
||
|
|
<dt id="x2034235" class="bold">
|
||
|
|
<a name="x2034235"></a>PowerPC AS</dt>
|
||
|
|
<dd>The processors that
|
||
|
|
implement the 64-bit PowerPC architecture with extensions to support commercial
|
||
|
|
applications for multiple users.</dd>
|
||
|
|
<dt id="x2034240" class="bold">
|
||
|
|
<a name="x2034240"></a>power sequence cables</dt>
|
||
|
|
<dd>Signal cables
|
||
|
|
that connect the secondary racks to each other and to the primary rack in
|
||
|
|
a system with more than one rack, and allow complete control of the power
|
||
|
|
from the primary rack.</dd>
|
||
|
|
<dt id="x2034245" class="bold">
|
||
|
|
<a name="x2034245"></a>PPDU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034385">presentation-layer
|
||
|
|
protocol data unit</a>.</dd>
|
||
|
|
<dt id="x2034249" class="bold">
|
||
|
|
<a name="x2034249"></a>PPP</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033984">Point-to-Point
|
||
|
|
Protocol</a>.</dd>
|
||
|
|
<dt id="x2210176" class="bold">
|
||
|
|
<a name="x2210176"></a>PPP filter identifier</dt>
|
||
|
|
<dd>A filter identifier
|
||
|
|
that allows you to apply filter rules to an interface that has been defined
|
||
|
|
in a point-to-point profile. The PPP filter identifier also links the filter
|
||
|
|
rules to groups of users in a point-to-point profile. Because the point-to-point
|
||
|
|
profile is associated with a specific IP address, the filter identifier implicitly
|
||
|
|
defines the interface to which the rules apply.</dd>
|
||
|
|
<dt id="x2009528" class="bold">
|
||
|
|
<a name="x2009528"></a>PPT</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034871">Processing
|
||
|
|
Program Table</a>.</dd>
|
||
|
|
<dt id="x2034253" class="bold">
|
||
|
|
<a name="x2034253"></a>preamble</dt>
|
||
|
|
<dd>A sequence of binary characters
|
||
|
|
recorded at the beginning of each block of data, on a phase-encoded magnetic
|
||
|
|
tape, for the purpose of synchronization when reading forward.</dd>
|
||
|
|
<dt id="x2003831" class="bold">
|
||
|
|
<a name="x2003831"></a>precision</dt>
|
||
|
|
<dd>An attribute of a number
|
||
|
|
that describes the total number of binary or decimal digits (excluding the
|
||
|
|
sign) that can be represented in the number. Floating-point numbers are also
|
||
|
|
described as having single precision or double precision.</dd>
|
||
|
|
<dt id="x2003836" class="bold">
|
||
|
|
<a name="x2003836"></a>precompile</dt>
|
||
|
|
<dd>To process programs that
|
||
|
|
contain SQL statements before they are compiled. SQL statements are replaced
|
||
|
|
with statements that will be recognized by the host language compiler. The
|
||
|
|
output from a precompile process includes source code that can be submitted
|
||
|
|
to the compiler and used in the bind process.</dd>
|
||
|
|
<dt id="x2034267" class="bold">
|
||
|
|
<a name="x2034267"></a>predefined message</dt>
|
||
|
|
<dd>A message with
|
||
|
|
a description that is created and stored in a message file before it is sent
|
||
|
|
by the program. See also <a href="rzaati.htm#x2024976">immediate message</a>.</dd>
|
||
|
|
<dt id="x2034272" class="bold">
|
||
|
|
<a name="x2034272"></a>predefined value</dt>
|
||
|
|
<dd>A fixed value defined
|
||
|
|
by IBM that has a special use in the control language and is reserved in
|
||
|
|
the operating system. A predefined value usually has an asterisk (*) as the
|
||
|
|
first character in the value.</dd>
|
||
|
|
<dt id="x2003841" class="bold">
|
||
|
|
<a name="x2003841"></a>predicate</dt>
|
||
|
|
<dd>(1) A Boolean logic term denoting
|
||
|
|
a logical expression that determines the state of some variables. For example,
|
||
|
|
a predicate can be an expression stating that variable A must have a value
|
||
|
|
of 3.</dd>
|
||
|
|
<dd>(2) An element of a search condition that expresses or implies
|
||
|
|
a comparison operation.</dd>
|
||
|
|
<dt id="x2034283" class="bold">
|
||
|
|
<a name="x2034283"></a>preferred binary encoding</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
the format in which an NSAP address or network entity title is passed in the
|
||
|
|
network protocol.</dd>
|
||
|
|
<dt id="x2034288" class="bold">
|
||
|
|
<a name="x2034288"></a>preferred transport class</dt>
|
||
|
|
<dd>In OSI,
|
||
|
|
a transport class that an application entity initially requests during association
|
||
|
|
establishment. See also <a href="rzaata.htm#x2013664">alternative transport class</a>.</dd>
|
||
|
|
<dt id="x2034293" class="bold">
|
||
|
|
<a name="x2034293"></a>preloaded system</dt>
|
||
|
|
<dd>A system that is
|
||
|
|
shipped with the licensed programs and program temporary fixes (PTFs) already
|
||
|
|
installed on the disk.</dd>
|
||
|
|
<dt id="x2034298" class="bold">
|
||
|
|
<a name="x2034298"></a>preoperation exit program</dt>
|
||
|
|
<dd>A user-written
|
||
|
|
program that is given control before operation of a system function.</dd>
|
||
|
|
<dt id="x2034303" class="bold">
|
||
|
|
<a name="x2034303"></a>prepared (PRP)</dt>
|
||
|
|
<dd>The prepared logical
|
||
|
|
unit of work (LUW) state indicates that the current LUW is in doubt. This
|
||
|
|
system has prepared to commit, but has not received the final vote from the
|
||
|
|
initiator. The PRP state only occurs at nodes that are not a last agent.</dd>
|
||
|
|
<dt id="x2003859" class="bold">
|
||
|
|
<a name="x2003859"></a>prepared SQL statement</dt>
|
||
|
|
<dd>A named object
|
||
|
|
that is the executable form of an SQL statement that has been processed by
|
||
|
|
the PREPARE statement.</dd>
|
||
|
|
<dt id="x2034308" class="bold">
|
||
|
|
<a name="x2034308"></a>prepare in progress (PIP)</dt>
|
||
|
|
<dd>The prepare
|
||
|
|
in progress logical unit of work (LUW) state indicates that the current LUW
|
||
|
|
is preparing its resources to commit. A failure during PIP state results in
|
||
|
|
a rollback.</dd>
|
||
|
|
<dt id="x2034313" class="bold">
|
||
|
|
<a name="x2034313"></a>preprocessing exit program</dt>
|
||
|
|
<dd>An exit
|
||
|
|
program that performs preprocessing when an operation is requested against
|
||
|
|
an exit point. An example of a preprocessing exit program is the Preprocessing
|
||
|
|
Exit Program for Add.</dd>
|
||
|
|
<dt id="x2034318" class="bold">
|
||
|
|
<a name="x2034318"></a>preprocessor</dt>
|
||
|
|
<dd>A routine that examines
|
||
|
|
application source code for preprocessor statements that are then executed,
|
||
|
|
resulting in the alteration of the source.</dd>
|
||
|
|
<dt id="x2034323" class="bold">
|
||
|
|
<a name="x2034323"></a>preprocessor directive</dt>
|
||
|
|
<dd>In the C language,
|
||
|
|
a statement that begins with the symbol # and is interpreted by the preprocessor
|
||
|
|
during compilation.</dd>
|
||
|
|
<dt id="x2034327" class="bold">
|
||
|
|
<a name="x2034327"></a>preprocessor statement</dt>
|
||
|
|
<dd>In the C and
|
||
|
|
C++ languages, a statement that begins with the symbol # and contains instructions
|
||
|
|
that the preprocessor can interpret.</dd>
|
||
|
|
<dt id="x2034332" class="bold">
|
||
|
|
<a name="x2034332"></a>prerequisite 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 prerequisite
|
||
|
|
fix either before the PTF that needs it or with the PTF that needs it. See
|
||
|
|
also <a href="rzaatc.htm#x2018687">corequisite fix</a>, <a href="rzaatd.htm#x2021026">distribution
|
||
|
|
requisite fix</a>.</dd>
|
||
|
|
<dt id="x2034337" class="bold">
|
||
|
|
<a name="x2034337"></a>preruntime array</dt>
|
||
|
|
<dd>In RPG, an array
|
||
|
|
that is loaded at the same time as the program, before the program actually
|
||
|
|
begins to run. See also <a href="rzaatc.htm#x2017821">compile-time array</a>, <a href="rzaatr.htm#x2037556">runtime array</a>.</dd>
|
||
|
|
<dt id="x2034342" class="bold">
|
||
|
|
<a name="x2034342"></a>preruntime table</dt>
|
||
|
|
<dd>In RPG, a table
|
||
|
|
that is loaded at the same time as the source program, before the program
|
||
|
|
actually begins to run. See also <a href="rzaatr.htm#x2037576">runtime table</a>.</dd>
|
||
|
|
<dt id="x2034347" class="bold">
|
||
|
|
<a name="x2034347"></a>presentation address</dt>
|
||
|
|
<dd>In OSI, an address
|
||
|
|
that uniquely identifies an application entity. The presentation address consists
|
||
|
|
of one or more NSAP addresses, a TSAP selector, an SSAP selector, and a PSAP
|
||
|
|
selector.</dd>
|
||
|
|
<dt id="x2034355" class="bold">
|
||
|
|
<a name="x2034355"></a>presentation context</dt>
|
||
|
|
<dd>In OSI, the
|
||
|
|
combination of an abstract syntax with a transfer syntax that specifies how
|
||
|
|
to transfer and interpret defined data values between nodes.</dd>
|
||
|
|
<dt id="x2034360" class="bold">
|
||
|
|
<a name="x2034360"></a>presentation control</dt>
|
||
|
|
<dd>In Business
|
||
|
|
Graphics Utility, an option that allows parts of a chart to be included or
|
||
|
|
excluded when produced.</dd>
|
||
|
|
<dt id="x2034365" class="bold">
|
||
|
|
<a name="x2034365"></a>presentation controls</dt>
|
||
|
|
<dd>In Backup Recovery
|
||
|
|
and Media Services, a system policy menu option for defining the presentation
|
||
|
|
of days of the week, the beginning day of the week, and other special characters
|
||
|
|
as they appear on Backup Recovery and Media Services displays.</dd>
|
||
|
|
<dt id="x2034370" class="bold">
|
||
|
|
<a name="x2034370"></a>presentation data value (PDV)</dt>
|
||
|
|
<dd>In
|
||
|
|
OSI, a complete unit of information that is meaningful to an application entity.</dd>
|
||
|
|
<dt id="x2034375" class="bold">
|
||
|
|
<a name="x2034375"></a>presentation graphics routines (PGR)</dt>
|
||
|
|
<dd>A group of routines within the operating system that allows business charts
|
||
|
|
to be defined and displayed procedurally through function routines. See also <a href="rzaatg.htm#x2056287">Graphical Data Display Manager</a>.</dd>
|
||
|
|
<dt id="x2034380" class="bold">
|
||
|
|
<a name="x2034380"></a>presentation layer</dt>
|
||
|
|
<dd>In OSI architecture,
|
||
|
|
the layer that provides services that enable functional units in the application
|
||
|
|
layer to select a common syntax in order to define data and operations to
|
||
|
|
be performed on the data.</dd>
|
||
|
|
<dt id="x2034385" class="bold">
|
||
|
|
<a name="x2034385"></a>presentation-layer protocol data unit (PPDU)</dt>
|
||
|
|
<dd>In OSI, a protocol data unit in the presentation layer.(I)</dd>
|
||
|
|
<dt id="x2034390" class="bold">
|
||
|
|
<a name="x2034390"></a>presentation-layer service access point (PSAP)</dt>
|
||
|
|
<dd>In OSI, a service access point in the presentation layer.</dd>
|
||
|
|
<dt id="x2034395" class="bold">
|
||
|
|
<a name="x2034395"></a>presentation-layer service data unit (PSDU)</dt>
|
||
|
|
<dd>In OSI, a unit of data transferred between the application layer and
|
||
|
|
the presentation layer.</dd>
|
||
|
|
<dt id="x2034405" class="bold">
|
||
|
|
<a name="x2034405"></a>presentation service access point</dt>
|
||
|
|
<dd>The address of an OSI communications partner that identifies an application
|
||
|
|
in a computer.</dd>
|
||
|
|
<dt id="x2034415" class="bold">
|
||
|
|
<a name="x2034415"></a>prestart job</dt>
|
||
|
|
<dd>A batch job that starts
|
||
|
|
running before the remote program sends a program start request.</dd>
|
||
|
|
<dt id="x2034420" class="bold">
|
||
|
|
<a name="x2034420"></a>previous release</dt>
|
||
|
|
<dd>The last required
|
||
|
|
release of the system (such as Release 1.0) prior to the current release (such
|
||
|
|
as Release 2.0), including any modification levels (such as Release 1.0 Modification
|
||
|
|
Level 1 or Modification Level 2) that were not required.</dd>
|
||
|
|
<dt id="x2034425" class="bold">
|
||
|
|
<a name="x2034425"></a>previous system</dt>
|
||
|
|
<dd>The system that sent
|
||
|
|
the TELNET or pass-through request that brought the user to the current system.</dd>
|
||
|
|
<dt id="x2034430" class="bold">
|
||
|
|
<a name="x2034430"></a>PRI</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034528">primary
|
||
|
|
rate interface</a>.</dd>
|
||
|
|
<dt id="x2034434" class="bold">
|
||
|
|
<a name="x2034434"></a>primary axis</dt>
|
||
|
|
<dd>In the GDDM function, the
|
||
|
|
axis used to plot data in a business chart. See also <a href="rzaats.htm#x2037898">secondary axis</a>.</dd>
|
||
|
|
<dt id="x2210541" class="bold">
|
||
|
|
<a name="x2210541"></a>primary disk pool</dt>
|
||
|
|
<dd>An independent
|
||
|
|
disk pool that defines a collection of directories and libraries and may have
|
||
|
|
other secondary disk pools associated with it. A primary disk pool also defines
|
||
|
|
a database for itself and other disk pools that may be added in its disk pool
|
||
|
|
group.</dd>
|
||
|
|
<dt id="x2034439" class="bold">
|
||
|
|
<a name="x2034439"></a>primary domain</dt>
|
||
|
|
<dd>The domain that is
|
||
|
|
defined by the DNS domain database file on a primary name server.</dd>
|
||
|
|
<dt id="x2034444" class="bold">
|
||
|
|
<a name="x2034444"></a>primary file</dt>
|
||
|
|
<dd>(1) For certain types of
|
||
|
|
join operations using Query, the first of all files that are joined in a query
|
||
|
|
definition. The data from this file is used in every record formed by a join
|
||
|
|
specification.</dd>
|
||
|
|
<dd>(2) In the DDS for a join logical file, the first physical
|
||
|
|
file specified on the JFILE keyword. See also <a href="rzaats.htm#x2037908">secondary
|
||
|
|
file</a>.</dd>
|
||
|
|
<dd>(3) In RPG, if specified, the first file from which RPG
|
||
|
|
reads a record. In multifile processing, the primary file is used to determine
|
||
|
|
whether the MR indicator is set on. See also <a href="rzaatf.htm#x2023546">full procedural
|
||
|
|
file</a>.</dd>
|
||
|
|
<dt id="x2034455" class="bold">
|
||
|
|
<a name="x2034455"></a>primary focal point</dt>
|
||
|
|
<dd>A network node
|
||
|
|
that receives alerts from nodes that the user has defined in a sphere of control.
|
||
|
|
See also <a href="rzaatd.htm#x2019960">default focal point</a>, <a href="rzaatb.htm#x2049782">backup focal point</a>.</dd>
|
||
|
|
<dt id="x2034460" class="bold">
|
||
|
|
<a name="x2034460"></a>primary folder</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
the folder into which the documentation of the corresponding development folder
|
||
|
|
is stored if dynamic naming is not allowed for the option or if no override
|
||
|
|
folder name is specified at install time.</dd>
|
||
|
|
<dt id="x2034465" class="bold">
|
||
|
|
<a name="x2034465"></a>primary group</dt>
|
||
|
|
<dd>A group profile whose
|
||
|
|
authority to an object is stored with that object. Primary group authority
|
||
|
|
may provide better performance than private group authority.</dd>
|
||
|
|
<dt id="x2034470" class="bold">
|
||
|
|
<a name="x2034470"></a>primary group authority</dt>
|
||
|
|
<dd>The authority
|
||
|
|
that the primary group has to the object. See also <a href="rzaato.htm#x2032858">owner authority</a>, <a href="rzaatp.htm#x2034691">private authority</a>, <a href="rzaatp.htm#x2003950">public authority</a>.</dd>
|
||
|
|
<dt id="x2003879" class="bold">
|
||
|
|
<a name="x2003879"></a>primary key</dt>
|
||
|
|
<dd>In a relational database,
|
||
|
|
a key that uniquely identifies one row of a database table.</dd>
|
||
|
|
<dt id="x2034478" class="bold">
|
||
|
|
<a name="x2034478"></a>primary language</dt>
|
||
|
|
<dd>The national language
|
||
|
|
installed on the system as the default language used to display and print
|
||
|
|
information. The primary language is also used to service the system. See
|
||
|
|
also <a href="rzaats.htm#x2037919">secondary language</a>.</dd>
|
||
|
|
<dt id="x2034483" class="bold">
|
||
|
|
<a name="x2034483"></a>primary library</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
for a code load, the library in which the code load is stored if dynamic naming
|
||
|
|
is not allowed for the option or no override library names are specified at
|
||
|
|
install time. For language loads, the library in which the language load is
|
||
|
|
stored if the language load identification matches the primary language of
|
||
|
|
the system and either dynamic naming is not allowed for the option or no override
|
||
|
|
library names are specified at install time.</dd>
|
||
|
|
<dt id="x2210874" class="bold">
|
||
|
|
<a name="x2210874"></a>primary link</dt>
|
||
|
|
<dd>The optical connection
|
||
|
|
between a local optical link card and a remote bus adapter card.</dd>
|
||
|
|
<dt id="x2034493" class="bold">
|
||
|
|
<a name="x2034493"></a>primary logical unit (PLU)</dt>
|
||
|
|
<dd>In SNA,
|
||
|
|
the logical unit that contains the primary half-session for a particular logical
|
||
|
|
unit-to-logical unit (LU-to-LU) session. See also <a href="rzaats.htm#x2037929">secondary
|
||
|
|
logical unit</a>.</dd>
|
||
|
|
<dt id="x2034503" class="bold">
|
||
|
|
<a name="x2034503"></a>primary name server</dt>
|
||
|
|
<dd>A name server
|
||
|
|
that always loads domain information from its own domain database file.</dd>
|
||
|
|
<dt id="x2034508" class="bold">
|
||
|
|
<a name="x2034508"></a>primary node</dt>
|
||
|
|
<dd>A cluster node that
|
||
|
|
currently has the principle copy of a cluster resource. All replications of
|
||
|
|
a resilient resource originate from the primary copy of the resource.</dd>
|
||
|
|
<dt id="x2034518" class="bold">
|
||
|
|
<a name="x2034518"></a>primary optical link</dt>
|
||
|
|
<dd>A connection
|
||
|
|
between the system unit and an expansion unit. The hardware that creates this
|
||
|
|
link is the local optical link card, the remote bus adapter, and the optical
|
||
|
|
cables that connect the two.</dd>
|
||
|
|
<dt id="x2034523" class="bold">
|
||
|
|
<a name="x2034523"></a>primary part</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, a
|
||
|
|
part that contains high-level language statements or other information that
|
||
|
|
can be compiled or preprocessed. A secondary part is created as a result of
|
||
|
|
this processing.</dd>
|
||
|
|
<dt id="x2034488" class="bold">
|
||
|
|
<a name="x2034488"></a>primary partition</dt>
|
||
|
|
<dd>A logical partition
|
||
|
|
that provides certain general functions on which all logical partitions are
|
||
|
|
dependent. The primary partition is the only partition that is active in a
|
||
|
|
system that has a single partition. All partition management functions are
|
||
|
|
performed from this partition. If this partition is powered off or restarted,
|
||
|
|
for example, the entire system is powered off or restarted.</dd>
|
||
|
|
<dt id="x2034528" class="bold">
|
||
|
|
<a name="x2034528"></a>primary rate interface (PRI)</dt>
|
||
|
|
<dd>An ISDN
|
||
|
|
interface normally used by large sites, providing 30 (E1) or 23 (T1) B-channels
|
||
|
|
of 64 kbits per second and one D-channel for signaling. This is often known
|
||
|
|
as 30B+D or 23B+D. See also <a href="rzaatb.htm#x2015204">basic rate interface</a>.</dd>
|
||
|
|
<dt id="x2034533" class="bold">
|
||
|
|
<a name="x2034533"></a>primary system</dt>
|
||
|
|
<dd>In a remote journal
|
||
|
|
network, the iSeries system where the original database resides.</dd>
|
||
|
|
<dt id="x2034538" class="bold">
|
||
|
|
<a name="x2034538"></a>primary system console</dt>
|
||
|
|
<dd>A workstation
|
||
|
|
that is attached to the first input/output processor that is capable of supporting
|
||
|
|
workstations. If Operations Console has been configured, a personal computer
|
||
|
|
(either at a local location or a remote location) becomes the primary system
|
||
|
|
console.</dd>
|
||
|
|
<dt id="x2034543" class="bold">
|
||
|
|
<a name="x2034543"></a>primary system name</dt>
|
||
|
|
<dd>In SNADS, the
|
||
|
|
system name of the highest logical unit in the network. See also <a href="rzaats.htm#x2037954">secondary system name</a>.</dd>
|
||
|
|
<dt id="x2044922" class="bold">
|
||
|
|
<a name="x2044922"></a>primary thread</dt>
|
||
|
|
<dd>See <a href="rzaati.htm#x2025336">initial thread</a>. See also <a href="rzaats.htm#x2037964">secondary thread</a>.</dd>
|
||
|
|
<dt id="x2034548" class="bold">
|
||
|
|
<a name="x2034548"></a>primary window</dt>
|
||
|
|
<dd>The window in which
|
||
|
|
the main interaction between the user and an object takes place.</dd>
|
||
|
|
<dt id="x2034553" class="bold">
|
||
|
|
<a name="x2034553"></a>prime record key</dt>
|
||
|
|
<dd>In COBOL, a key
|
||
|
|
whose contents uniquely identify a record within an indexed file.</dd>
|
||
|
|
<dt id="x2034558" class="bold">
|
||
|
|
<a name="x2034558"></a>primitive</dt>
|
||
|
|
<dd>A simple and fundamental
|
||
|
|
data structure, API, algorithm, or system service that serves as a building
|
||
|
|
block for more complex solutions, applications, or environments.</dd>
|
||
|
|
<dt id="x2003889" class="bold">
|
||
|
|
<a name="x2003889"></a>principal</dt>
|
||
|
|
<dd>In the Kerberos protocol,
|
||
|
|
either a user or server that authenticates or is authenticated. Kerberos principals
|
||
|
|
can be users, services, or authentication servers. Each principal has a name.</dd>
|
||
|
|
<dt id="x2034574" class="bold">
|
||
|
|
<a name="x2034574"></a>principal development library</dt>
|
||
|
|
<dd>In
|
||
|
|
System Manager, a development library into which a load object (*PRDLOD) is
|
||
|
|
created.</dd>
|
||
|
|
<dt id="x2034579" class="bold">
|
||
|
|
<a name="x2034579"></a>principal library</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
the library that contains the load object (*PRDLOD).</dd>
|
||
|
|
<dt id="x2003894" class="bold">
|
||
|
|
<a name="x2003894"></a>principal name</dt>
|
||
|
|
<dd>In the Kerberos protocol,
|
||
|
|
the name by which the Kerberos principal is identified. The principal name
|
||
|
|
usually consists of either a) a user name and a realm name or b) a service
|
||
|
|
name, host name, and a realm name.</dd>
|
||
|
|
<dt id="x2034587" class="bold">
|
||
|
|
<a name="x2034587"></a>principal primary library</dt>
|
||
|
|
<dd>In System
|
||
|
|
Manager, a primary library into which the objects that were created in the
|
||
|
|
principal development library are stored when no overriding library name is
|
||
|
|
specified at installation time.</dd>
|
||
|
|
<dt id="x2034592" class="bold">
|
||
|
|
<a name="x2034592"></a>print band</dt>
|
||
|
|
<dd>An interchangeable metal
|
||
|
|
band that contains the print characters used by some printers.</dd>
|
||
|
|
<dt id="x2034597" class="bold">
|
||
|
|
<a name="x2034597"></a>print descriptor</dt>
|
||
|
|
<dd>An object used to
|
||
|
|
manage printing that is created and maintained by the PrintManager™ program.
|
||
|
|
Print descriptors describe where a print job is printed, how a print job is
|
||
|
|
processed, and how output appears. The print descriptors contain capabilities
|
||
|
|
and defaults of options used for printing. The system-recognized identifier
|
||
|
|
for the object type is *PDG.</dd>
|
||
|
|
<dt id="x2034602" class="bold">
|
||
|
|
<a name="x2034602"></a>print descriptor group</dt>
|
||
|
|
<dd>An object
|
||
|
|
used to store print descriptors so they can be managed effectively on a system.
|
||
|
|
The system-recognized identifier for the object type is *PDG.</dd>
|
||
|
|
<dt id="x2034607" class="bold">
|
||
|
|
<a name="x2034607"></a>printer/display layout</dt>
|
||
|
|
<dd>A specification
|
||
|
|
on which the user can design the format for a report either printed or displayed.</dd>
|
||
|
|
<dt id="x2034612" class="bold">
|
||
|
|
<a name="x2034612"></a>printer file</dt>
|
||
|
|
<dd>A device file that determines
|
||
|
|
what attributes printed output will have. A particular printer may or may
|
||
|
|
not support all of the attributes specified in a printer file.</dd>
|
||
|
|
<dt id="x2034617" class="bold">
|
||
|
|
<a name="x2034617"></a>printer ID</dt>
|
||
|
|
<dd>The identification code
|
||
|
|
assigned to printers.</dd>
|
||
|
|
<dt id="x2034622" class="bold">
|
||
|
|
<a name="x2034622"></a>printer output</dt>
|
||
|
|
<dd>A file that holds
|
||
|
|
output data that is waiting to be processed for printing.</dd>
|
||
|
|
<dt id="x2034627" class="bold">
|
||
|
|
<a name="x2034627"></a>printer session</dt>
|
||
|
|
<dd>A PC program that
|
||
|
|
allows a personal printer to emulate a host system printer.</dd>
|
||
|
|
<dt id="x2034632" class="bold">
|
||
|
|
<a name="x2034632"></a>printer spooling</dt>
|
||
|
|
<dd>In CICS®, a facility
|
||
|
|
that provides support for writing data to print spools. Only printed output
|
||
|
|
is supported by CICS.</dd>
|
||
|
|
<dt id="x2034637" class="bold">
|
||
|
|
<a name="x2034637"></a>printer writer</dt>
|
||
|
|
<dd>A system program that
|
||
|
|
writes spooled files to a printer.</dd>
|
||
|
|
<dt id="x2034642" class="bold">
|
||
|
|
<a name="x2034642"></a>print format utility (PFU)</dt>
|
||
|
|
<dd>In AFP Utilities,
|
||
|
|
a utility that allows a user to print a database file member in various formats
|
||
|
|
without writing any programs.</dd>
|
||
|
|
<dt id="x2034647" class="bold">
|
||
|
|
<a name="x2034647"></a>PrintManager</dt>
|
||
|
|
<dd>The collective name
|
||
|
|
for a set of IBM programs or operating system functions that provide cross-system
|
||
|
|
print management for an entire organization.</dd>
|
||
|
|
<dt id="x2034656" class="bold">
|
||
|
|
<a name="x2034656"></a>print options</dt>
|
||
|
|
<dd>Specifications for
|
||
|
|
printing a document.</dd>
|
||
|
|
<dt id="x2034661" class="bold">
|
||
|
|
<a name="x2034661"></a>printout format definition (PFD)</dt>
|
||
|
|
<dd>In AFP Utilities, a file member that contains information about the record
|
||
|
|
layout, page layout, record selection, and database file name. A PFD is used
|
||
|
|
to print the records of a database file member in various formats.</dd>
|
||
|
|
<dt id="x2034666" class="bold">
|
||
|
|
<a name="x2034666"></a>Print Services Facility™ (PSF)</dt>
|
||
|
|
<dd>A feature of the i5/OS licensed program that provides AFP system management
|
||
|
|
and IPDS print management to iSeries-connected IPDS printers.</dd>
|
||
|
|
<dt id="x2034671" class="bold">
|
||
|
|
<a name="x2034671"></a>print share</dt>
|
||
|
|
<dd>An output queue that
|
||
|
|
is shared with PC clients on the network.</dd>
|
||
|
|
<dt id="x2034676" class="bold">
|
||
|
|
<a name="x2034676"></a>print text</dt>
|
||
|
|
<dd>An option that allows
|
||
|
|
the user to specify a line of text at the bottom of a list.</dd>
|
||
|
|
<dt id="x2034681" class="bold">
|
||
|
|
<a name="x2034681"></a>priority queue</dt>
|
||
|
|
<dd>In SNADS, a queue
|
||
|
|
that contains distribution queue entries for distributions with a service
|
||
|
|
level of fast, status, or data high. When send times and queue depths are
|
||
|
|
satisfied for both the priority and normal queues, the priority queue is serviced
|
||
|
|
first. See also <a href="rzaatn.htm#x2031698">normal queue</a>.</dd>
|
||
|
|
<dt id="x2034691" class="bold">
|
||
|
|
<a name="x2034691"></a>private authority</dt>
|
||
|
|
<dd>The authority specifically
|
||
|
|
given to a user for an object that overrides any other authorities, such as
|
||
|
|
the authority of a user's group profile or an authorization list. See also <a href="rzaato.htm#x2032858">owner authority</a>, <a href="rzaatp.htm#x2034470">primary group
|
||
|
|
authority</a>, <a href="rzaatp.htm#x2003950">public authority</a>.</dd>
|
||
|
|
<dt id="x2034696" class="bold">
|
||
|
|
<a name="x2034696"></a>private branch exchange (PBX)</dt>
|
||
|
|
<dd>A switching
|
||
|
|
system located on a customer's premises that consolidates the number of inside
|
||
|
|
lines (extensions) into a smaller number of outside lines (trunks). Many PBXs
|
||
|
|
also provide advanced voice and data communications features.</dd>
|
||
|
|
<dt id="x2034701" class="bold">
|
||
|
|
<a name="x2034701"></a>private key</dt>
|
||
|
|
<dd>In secure communication,
|
||
|
|
an algorithmic pattern used to encrypt messages that only the corresponding
|
||
|
|
public key can decrypt. The private key is also used to decrypt messages that
|
||
|
|
were encrypted by the corresponding public key. The private key is kept on
|
||
|
|
the user's system and is protected by a password. See also <a href="rzaatk.htm#x2002682">key</a>, <a href="rzaatp.htm#x2035427">public key</a>.</dd>
|
||
|
|
<dt id="x2034708" class="bold">
|
||
|
|
<a name="x2034708"></a>private management domain (PRMD)</dt>
|
||
|
|
<dd>In OSI X.400, a private company or noncommercial organization that handles
|
||
|
|
a management domain.</dd>
|
||
|
|
<dt id="x2034713" class="bold">
|
||
|
|
<a name="x2034713"></a>private network</dt>
|
||
|
|
<dd>A network established
|
||
|
|
and operated by a private organization or corporation for users within that
|
||
|
|
organization or corporation. See also <a href="rzaatp.htm#x2035437">public network</a>.</dd>
|
||
|
|
<dt id="x2034726" class="bold">
|
||
|
|
<a name="x2034726"></a>private storage pool</dt>
|
||
|
|
<dd>A storage pool
|
||
|
|
containing a specified amount of storage that can be used by only one subsystem.
|
||
|
|
See also <a href="rzaats.htm#x2038707">shared storage pool</a>.</dd>
|
||
|
|
<dt id="x2003914" class="bold">
|
||
|
|
<a name="x2003914"></a>privilege</dt>
|
||
|
|
<dd>In SQL, a capability given
|
||
|
|
to a user by the processing of a GRANT statement.</dd>
|
||
|
|
<dt id="x2034754" class="bold">
|
||
|
|
<a name="x2034754"></a>PRM</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035128">program
|
||
|
|
resolution monitor</a>.</dd>
|
||
|
|
<dt id="x2034758" class="bold">
|
||
|
|
<a name="x2034758"></a>PRMD</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034708">private
|
||
|
|
management domain</a>.</dd>
|
||
|
|
<dt id="x2034762" class="bold">
|
||
|
|
<a name="x2034762"></a>probe</dt>
|
||
|
|
<dd>A type of message that determines
|
||
|
|
if a message with certain characteristics can be delivered to a specific recipient.
|
||
|
|
This type of message is treated like a user message by the message transfer
|
||
|
|
agent (MTA), except that it is never delivered to the recipient.</dd>
|
||
|
|
<dt id="x2034767" class="bold">
|
||
|
|
<a name="x2034767"></a>problem analysis</dt>
|
||
|
|
<dd>The process of finding
|
||
|
|
the cause of a problem. For example, a program error, device error, or user
|
||
|
|
error.</dd>
|
||
|
|
<dt id="x2034772" class="bold">
|
||
|
|
<a name="x2034772"></a>problem isolation procedure (PIP)</dt>
|
||
|
|
<dd>Written information used by service representatives to repair IBM equipment. A
|
||
|
|
PIP contains yes/no questions and procedures that direct the user to the failing
|
||
|
|
part of the equipment.</dd>
|
||
|
|
<dt id="x2034777" class="bold">
|
||
|
|
<a name="x2034777"></a>problem log</dt>
|
||
|
|
<dd>A record of problems
|
||
|
|
and of the status of the analysis of those problems.</dd>
|
||
|
|
<dt id="x2034782" class="bold">
|
||
|
|
<a name="x2034782"></a>problem management</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
the discipline that manages the detection, analysis, correction, and tracking
|
||
|
|
of problems occurring in an information system environment.</dd>
|
||
|
|
<dt id="x2034787" class="bold">
|
||
|
|
<a name="x2034787"></a>problem management focal point</dt>
|
||
|
|
<dd>The
|
||
|
|
management services responsible for the problem analysis and diagnosis for
|
||
|
|
a sphere of control. An alert focal point is a subset of a problem management
|
||
|
|
focal point.</dd>
|
||
|
|
<dt id="x2034792" class="bold">
|
||
|
|
<a name="x2034792"></a>procedural programming</dt>
|
||
|
|
<dd>In RPG, a
|
||
|
|
programming technique in which the input and output operations are controlled
|
||
|
|
by programmer-specified operation codes instead of by the program cycle.</dd>
|
||
|
|
<dt id="x2010707" class="bold">
|
||
|
|
<a name="x2010707"></a>procedure</dt>
|
||
|
|
<dd>(1) In the Integrated Language Environment (ILE) model, a set of self-contained high-level language (HLL) statements
|
||
|
|
that performs a particular task and returns to the caller. Individual languages
|
||
|
|
have different names for this concept of a procedure. In C, a procedure is
|
||
|
|
called a function.</dd>
|
||
|
|
<dd>(2) In query management, a query object that consists
|
||
|
|
of a related set of query commands. A procedure allows an application to run
|
||
|
|
multiple query commands through one call to the callable interface.</dd>
|
||
|
|
<dd>(3) In COBOL, one or more successive paragraphs or sections, within the
|
||
|
|
Procedure Division, that direct the computer to perform some action or series
|
||
|
|
of related actions.</dd>
|
||
|
|
<dt id="x2034806" class="bold">
|
||
|
|
<a name="x2034806"></a>procedure call</dt>
|
||
|
|
<dd>A call made to a procedure
|
||
|
|
within a module in a bound program. See also <a href="rzaatp.htm#x2034985">program
|
||
|
|
call</a>.</dd>
|
||
|
|
<dt id="x2034816" class="bold">
|
||
|
|
<a name="x2034816"></a>Procedure Division</dt>
|
||
|
|
<dd>One of the four
|
||
|
|
main parts of a COBOL program. The Procedure Division contains instructions
|
||
|
|
for solving a problem. The Procedure Division may contain imperative statements,
|
||
|
|
conditional statements, paragraphs, procedures and sections.</dd>
|
||
|
|
<dt id="x2034821" class="bold">
|
||
|
|
<a name="x2034821"></a>procedure language statements</dt>
|
||
|
|
<dd>In
|
||
|
|
query management, the query commands that are used in query procedures.</dd>
|
||
|
|
<dt id="x2034826" class="bold">
|
||
|
|
<a name="x2034826"></a>procedure name</dt>
|
||
|
|
<dd>In COBOL, a paragraph
|
||
|
|
name or a section name in the Procedure Division.</dd>
|
||
|
|
<dt id="x2034831" class="bold">
|
||
|
|
<a name="x2034831"></a>procedure order profiling data</dt>
|
||
|
|
<dd>A
|
||
|
|
portion of observability that is stored with a program that is produced by
|
||
|
|
Integrated Language Environment (ILE) application profiling.
|
||
|
|
The data lists the order in which the program's procedures were packaged and
|
||
|
|
also indicates how the procedures should be packaged in the future if the
|
||
|
|
program is rebuilt in some way. For example, if procedure A calls procedure
|
||
|
|
B very often, then it is advantageous to package procedures A and B close
|
||
|
|
together.</dd>
|
||
|
|
<dt id="x2034836" class="bold">
|
||
|
|
<a name="x2034836"></a>procedure pointer call</dt>
|
||
|
|
<dd>A high-level
|
||
|
|
language call mechanism for specifying the address of a procedure to be called.
|
||
|
|
The procedure pointer call provides a way to call a procedure dynamically.
|
||
|
|
For example, by manipulating arrays or tables of procedure names or addresses,
|
||
|
|
the application programmer can dynamically route a procedure call to different
|
||
|
|
procedures. See also <a href="rzaats.htm#x2039815">static procedure call</a>.</dd>
|
||
|
|
<dt id="x2003927" class="bold">
|
||
|
|
<a name="x2003927"></a>process</dt>
|
||
|
|
<dd>(1) See <a href="rzaatj.htm#x2007884">job</a>.</dd>
|
||
|
|
<dd>(2) For Common Programming APIs ToolKit, the collection of
|
||
|
|
all i5/OS jobs sharing an activation group.</dd>
|
||
|
|
<dd>(3) Any operation or
|
||
|
|
combination of operations on data that changes data from its original form
|
||
|
|
into a new form.</dd>
|
||
|
|
<dd>(4) In System Manager, a combination of systems management
|
||
|
|
applications that accomplishes one or more customer tasks or a part of a task.
|
||
|
|
A process can contain other processes.</dd>
|
||
|
|
<dt id="x2034856" class="bold">
|
||
|
|
<a name="x2034856"></a>process access group (PAG)</dt>
|
||
|
|
<dd>A group
|
||
|
|
of job-related objects that may be paged in and out of storage in a single
|
||
|
|
operation when a job (process) enters or leaves a long wait.</dd>
|
||
|
|
<dt id="x2034861" class="bold">
|
||
|
|
<a name="x2034861"></a>process definition object</dt>
|
||
|
|
<dd>A WebSphere® MQ object
|
||
|
|
that contains the definition of a WebSphere MQ application. For example, a queue
|
||
|
|
manager uses the definition when it works with trigger messages.</dd>
|
||
|
|
<dt id="x2034866" class="bold">
|
||
|
|
<a name="x2034866"></a>processing</dt>
|
||
|
|
<dd>The action of performing
|
||
|
|
operations and calculations on data.</dd>
|
||
|
|
<dt id="x2034871" class="bold">
|
||
|
|
<a name="x2034871"></a>Processing Program Table (PPT)</dt>
|
||
|
|
<dd>A
|
||
|
|
table defining the application programs and BMS maps that can be run under CICS.</dd>
|
||
|
|
<dt id="x2034886" class="bold">
|
||
|
|
<a name="x2034886"></a>processor</dt>
|
||
|
|
<dd>(1) A device for processing
|
||
|
|
data from programmed instructions. It may be part of another unit.</dd>
|
||
|
|
<dd>(2) One or more integrated circuits that process coded instructions and
|
||
|
|
perform a task.</dd>
|
||
|
|
<dt id="x2034894" class="bold">
|
||
|
|
<a name="x2034894"></a>Processor Active light</dt>
|
||
|
|
<dd>The light
|
||
|
|
on the control panel that comes on when the processing unit is running.</dd>
|
||
|
|
<dt id="x2034899" class="bold">
|
||
|
|
<a name="x2034899"></a>product</dt>
|
||
|
|
<dd>In System Manager, a program
|
||
|
|
or application that is identified as a product to the i5/OS operating system
|
||
|
|
by a product identifier and a product definition.</dd>
|
||
|
|
<dt id="x2034904" class="bold">
|
||
|
|
<a name="x2034904"></a>product availability object</dt>
|
||
|
|
<dd>A system
|
||
|
|
object used to store information about products and licensed programs. The
|
||
|
|
system-recognized identifier is *PRDAVL.</dd>
|
||
|
|
<dt id="x2034909" class="bold">
|
||
|
|
<a name="x2034909"></a>product definition</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
an object that contains the information about a product. The object type is
|
||
|
|
*PRDDFN. A product definition is identified as belonging to a product (PRDID)
|
||
|
|
and a release (RLS). A given product and release can have only one product
|
||
|
|
definition.</dd>
|
||
|
|
<dt id="x2034914" class="bold">
|
||
|
|
<a name="x2034914"></a>production</dt>
|
||
|
|
<dd>In OSI, a part of the
|
||
|
|
formal notation used to specify ASN.1, in which allowed sequences of items
|
||
|
|
are associated with a name that can be used to refer to those sequences in
|
||
|
|
the definition of new sets of allowed sequences.</dd>
|
||
|
|
<dt id="x2235647" class="bold">
|
||
|
|
<a name="x2235647"></a>production copy</dt>
|
||
|
|
<dd>In cross-site mirroring,
|
||
|
|
the independent disk pool to which all production operations are directed.
|
||
|
|
All disk write operations are directed here first and are then replicated
|
||
|
|
to the mirror copy of the independent disk pool. The production copy always
|
||
|
|
has current data.</dd>
|
||
|
|
<dt id="x2034919" class="bold">
|
||
|
|
<a name="x2034919"></a>production library</dt>
|
||
|
|
<dd>A library containing
|
||
|
|
objects needed for normal processing. See also <a href="rzaatt.htm#x2041327">test
|
||
|
|
library</a>.</dd>
|
||
|
|
<dt id="x2034924" class="bold">
|
||
|
|
<a name="x2034924"></a>product load</dt>
|
||
|
|
<dd>(1) The smallest logical
|
||
|
|
collection of objects that can make a product option.</dd>
|
||
|
|
<dd>(2) In System
|
||
|
|
Manager, an object that contains the control information about an option.
|
||
|
|
The object type is *PRODLOD. A product load is identified by the product identifier
|
||
|
|
(PRDID), release (RLS), option (OPTION), and load identifier (LODID) parameters.</dd>
|
||
|
|
<dt id="x2034932" class="bold">
|
||
|
|
<a name="x2034932"></a>product message file</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
a file containing one or more product descriptions.</dd>
|
||
|
|
<dt id="x2034937" class="bold">
|
||
|
|
<a name="x2034937"></a>product option</dt>
|
||
|
|
<dd>In System Manager,
|
||
|
|
a group of one or more loads, one of which must be a code load.</dd>
|
||
|
|
<dt id="x2034942" class="bold">
|
||
|
|
<a name="x2034942"></a>product-sensitive programming interface (PSPI)</dt>
|
||
|
|
<dd>(1) A special interface that is dependent on or requires the customer
|
||
|
|
to understand significant aspects of the detailed design and implementation
|
||
|
|
of the IBM software product.</dd>
|
||
|
|
<dd>(2) A special interface that is intended
|
||
|
|
to be used only for a specialized task, such as diagnosis, modification, monitoring,
|
||
|
|
repairing, tailoring, or tuning.</dd>
|
||
|
|
<dt id="x2034950" class="bold">
|
||
|
|
<a name="x2034950"></a>profile</dt>
|
||
|
|
<dd>Data that describes the characteristics
|
||
|
|
of a user, group, program, device, or remote location.</dd>
|
||
|
|
<dt id="x2034963" class="bold">
|
||
|
|
<a name="x2034963"></a>profile handle</dt>
|
||
|
|
<dd>A value created by
|
||
|
|
the system from the Get Profile Handle API that is used to identify a valid
|
||
|
|
user ID and password. This value is used as input to switch the controlling
|
||
|
|
user profile in a job to another user profile without changing the name of
|
||
|
|
the job.</dd>
|
||
|
|
<dt id="x2034973" class="bold">
|
||
|
|
<a name="x2034973"></a>PROFS® bridge</dt>
|
||
|
|
<dd>See <a href="rzaatv.htm#x2043257">VM/MVS bridge for i5/OS</a>.</dd>
|
||
|
|
<dt id="x2034977" class="bold">
|
||
|
|
<a name="x2034977"></a>program</dt>
|
||
|
|
<dd>(1) In the Integrated Language Environment (ILE) model, the executable object that results from binding modules
|
||
|
|
together.</dd>
|
||
|
|
<dd>(2) A sequence of instructions that a computer can interpret
|
||
|
|
and run without a user's intervention. See also <a href="rzaatm.htm#x2030595">module</a>.</dd>
|
||
|
|
<dt id="x2046433" class="bold">
|
||
|
|
<a name="x2046433"></a>program automatic storage area (PASA)</dt>
|
||
|
|
<dd>A system object that contains call level information for each program
|
||
|
|
on the call stack. The PASA can also contain space (allocated when the program
|
||
|
|
object is called) for program variables.</dd>
|
||
|
|
<dt id="x2034985" class="bold">
|
||
|
|
<a name="x2034985"></a>program call</dt>
|
||
|
|
<dd>A call made to an ILE
|
||
|
|
program or to an OPM program. See also <a href="rzaatp.htm#x2034806">procedure call</a>.</dd>
|
||
|
|
<dt id="x2034990" class="bold">
|
||
|
|
<a name="x2034990"></a>Program Call Markup Language (PCML)</dt>
|
||
|
|
<dd>A tag language that is used to describe the input and output parameters for iSeries programs. PCML is based on the Extensible Markup Language (XML). PCML
|
||
|
|
files are used with the ProgramCallDocument class in the iSeries Toolbox for Java to automate parameter handling and calls of ILE programs from Java.</dd>
|
||
|
|
<dt id="x2034995" class="bold">
|
||
|
|
<a name="x2034995"></a>program control</dt>
|
||
|
|
<dd>A CICS facility that
|
||
|
|
handles the flow of control among application programs.</dd>
|
||
|
|
<dt id="x2007332" class="bold">
|
||
|
|
<a name="x2007332"></a>program control table (PCT)</dt>
|
||
|
|
<dd>A CICS table defining the transactions that can be processed by the system.
|
||
|
|
Each transaction is paired with the name of the program that CICS runs when the
|
||
|
|
transaction is called.</dd>
|
||
|
|
<dt id="x2035003" class="bold">
|
||
|
|
<a name="x2035003"></a>program cycle</dt>
|
||
|
|
<dd>In RPG, the series
|
||
|
|
of operations performed by the computer for each record read.</dd>
|
||
|
|
<dt id="x2035008" class="bold">
|
||
|
|
<a name="x2035008"></a>program-described data</dt>
|
||
|
|
<dd>Data contained
|
||
|
|
in a file for which the fields in the records are described in the program
|
||
|
|
that processes the file. See also <a href="rzaate.htm#x2027540">externally described
|
||
|
|
file</a>.</dd>
|
||
|
|
<dt id="x2035013" class="bold">
|
||
|
|
<a name="x2035013"></a>program-described file</dt>
|
||
|
|
<dd>A file for
|
||
|
|
which the fields in the records are described only in the programs that process
|
||
|
|
the file. To the operating system, the record appears as a character string.
|
||
|
|
See also <a href="rzaate.htm#x2027540">externally described file</a>.</dd>
|
||
|
|
<dt id="x2035018" class="bold">
|
||
|
|
<a name="x2035018"></a>program device</dt>
|
||
|
|
<dd>A symbolic device
|
||
|
|
that a program uses instead of a real device (identified by the device name).
|
||
|
|
When the program uses a program device, the system redirects the operation
|
||
|
|
to the appropriate real device.</dd>
|
||
|
|
<dt id="x2035023" class="bold">
|
||
|
|
<a name="x2035023"></a>program device override</dt>
|
||
|
|
<dd>The attributes
|
||
|
|
specified at run time that change the attributes of the program device.</dd>
|
||
|
|
<dt id="x2035028" class="bold">
|
||
|
|
<a name="x2035028"></a>program entry procedure (PEP)</dt>
|
||
|
|
<dd>A procedure
|
||
|
|
provided by the compiler that is the entry point for an ILE program on a dynamic
|
||
|
|
program call. See also <a href="rzaatu.htm#x2042817">user entry procedure</a>.</dd>
|
||
|
|
<dt id="x2035033" class="bold">
|
||
|
|
<a name="x2035033"></a>program ID</dt>
|
||
|
|
<dd>A 1- to 8-character string
|
||
|
|
entered from a finance device and associated with a server finance transaction
|
||
|
|
program. Lists of valid program IDs and their associated application programs
|
||
|
|
are maintained in program tables.</dd>
|
||
|
|
<dt id="x2035038" class="bold">
|
||
|
|
<a name="x2035038"></a>program identification entry</dt>
|
||
|
|
<dd>In COBOL,
|
||
|
|
an entry in the PROGRAM-ID paragraph of the Identification Division that contains
|
||
|
|
clauses that specify the program-name and assign selected program attributes
|
||
|
|
to the program.</dd>
|
||
|
|
<dt id="x2143143" class="bold">
|
||
|
|
<a name="x2143143"></a>program initialization parameter (PIP)</dt>
|
||
|
|
<dd>The initial parameter value or values passed to a target program as
|
||
|
|
input or used to set up the process environment.</dd>
|
||
|
|
<dt id="x2035048" class="bold">
|
||
|
|
<a name="x2035048"></a>program integrated information (PII)</dt>
|
||
|
|
<dd>Programs for the user interface such as menus, messages, and help panels.</dd>
|
||
|
|
<dt id="x2035053" class="bold">
|
||
|
|
<a name="x2035053"></a>program level</dt>
|
||
|
|
<dd>Pertaining to an operation
|
||
|
|
that is performed for an entire program. For example, a Monitor Message (MONMSG)
|
||
|
|
command that immediately follows the last declare command in a CL program
|
||
|
|
is a program-level MONMSG command. See also <a href="rzaatc.htm#x2017449">command
|
||
|
|
level</a>.</dd>
|
||
|
|
<dt id="x2035058" class="bold">
|
||
|
|
<a name="x2035058"></a>programmable workstation</dt>
|
||
|
|
<dd>A workstation
|
||
|
|
that has some degree of processing capability and allows the user to change
|
||
|
|
its functions.</dd>
|
||
|
|
<dt id="x2035063" class="bold">
|
||
|
|
<a name="x2035063"></a>programmed function key</dt>
|
||
|
|
<dd>On a workstation,
|
||
|
|
a key that can perform various functions selected by the user or determined
|
||
|
|
by an application program.</dd>
|
||
|
|
<dt id="x2035068" class="bold">
|
||
|
|
<a name="x2035068"></a>programmer subsystem</dt>
|
||
|
|
<dd>An IBM-supplied
|
||
|
|
interactive subsystem used to code programs on a display station. The system
|
||
|
|
object name is QPGMR.</dd>
|
||
|
|
<dt id="x2035073" class="bold">
|
||
|
|
<a name="x2035073"></a>programmer user profile</dt>
|
||
|
|
<dd>The system-supplied
|
||
|
|
user profile that has the authority necessary for system and application programmers
|
||
|
|
and the special authorities of save system authority and job control authority.
|
||
|
|
Named QPGMR.</dd>
|
||
|
|
<dt id="x2035078" class="bold">
|
||
|
|
<a name="x2035078"></a>program message queue</dt>
|
||
|
|
<dd>An object used
|
||
|
|
to hold messages that are sent between program calls of a routing step. The
|
||
|
|
program message queue is part of the job message queue.</dd>
|
||
|
|
<dt id="x2035083" class="bold">
|
||
|
|
<a name="x2035083"></a>Programming Development Manager (PDM)</dt>
|
||
|
|
<dd>An application that is used in a 5250 emulator to query an iSeries server and
|
||
|
|
perform actions against objects. See also <a href="rzaatnum.htm#x2230312">5250 display</a>.</dd>
|
||
|
|
<dt id="x2035093" class="bold">
|
||
|
|
<a name="x2035093"></a>programming interface for customers</dt>
|
||
|
|
<dd>The supported method through which customer programs request software services.
|
||
|
|
The programming interface consists of a set of callable services provided
|
||
|
|
with a product.</dd>
|
||
|
|
<dt id="x2064061" class="bold">
|
||
|
|
<a name="x2064061"></a>programming request for price quotation (PRPQ)</dt>
|
||
|
|
<dd>A customer request for a price quotation for a licensed program
|
||
|
|
to be designed especially for a particular group of customers or an application.
|
||
|
|
Documentation for the program is provided only to those customers who order
|
||
|
|
the PRPQ. See also <a href="rzaatr.htm#x2036885">request for price quotation</a>.</dd>
|
||
|
|
<dt id="x2035108" class="bold">
|
||
|
|
<a name="x2035108"></a>program name</dt>
|
||
|
|
<dd>A user-defined word
|
||
|
|
that identifies a COBOL source program.</dd>
|
||
|
|
<dt id="x2035113" class="bold">
|
||
|
|
<a name="x2035113"></a>program object</dt>
|
||
|
|
<dd>One of two machine
|
||
|
|
object classifications. It includes those objects used in programs that get
|
||
|
|
their definition from an object definition table. Program objects are used
|
||
|
|
as the parameter or values of machine instructions. See also <a href="rzaats.htm#x2040694">system object</a>.</dd>
|
||
|
|
<dt id="x2035118" class="bold">
|
||
|
|
<a name="x2035118"></a>program preparation</dt>
|
||
|
|
<dd>In DB2® UDB for iSeries, the process of producing a program. The process includes precompilation,
|
||
|
|
compilation, and bind.</dd>
|
||
|
|
<dt id="x2035123" class="bold">
|
||
|
|
<a name="x2035123"></a>program profiling</dt>
|
||
|
|
<dd>A technique that
|
||
|
|
is used to optimize a program.</dd>
|
||
|
|
<dt id="x2035128" class="bold">
|
||
|
|
<a name="x2035128"></a>program resolution monitor (PRM)</dt>
|
||
|
|
<dd>In the original program model (OPM), a program that translates the intermediate
|
||
|
|
representation of a program into the machine language for use by the computer.
|
||
|
|
The program resolution monitor is used by the programming language compilers
|
||
|
|
to complete the translation of a source program into machine language instructions.</dd>
|
||
|
|
<dt id="x2046510" class="bold">
|
||
|
|
<a name="x2046510"></a>program static storage area (PSSA)</dt>
|
||
|
|
<dd>A system object that contains static variable data for programs on the call
|
||
|
|
stack. The PSSA contains space for program variables that is activated when
|
||
|
|
the program object is activated. The PSSA is contained in the process access
|
||
|
|
group (PAG).</dd>
|
||
|
|
<dt id="x2035133" class="bold">
|
||
|
|
<a name="x2035133"></a>program table</dt>
|
||
|
|
<dd>A list of the i5/OS finance applications
|
||
|
|
for use in an i5/OS finance job. Each table entry consists of a program
|
||
|
|
ID and the program name and library associated with that ID. Program IDs received
|
||
|
|
in data streams from finance devices are located in the program table to determine
|
||
|
|
the i5/OS application that should be called.</dd>
|
||
|
|
<dt id="x2035138" class="bold">
|
||
|
|
<a name="x2035138"></a>program temporary fix (PTF)</dt>
|
||
|
|
<dd>For zSeries®, iSeries, and pSeries® products, a fix that is made available
|
||
|
|
to all customers. A program temporary fix is tested by IBM. It contains
|
||
|
|
a PTF record. See also <a href="rzaatf.htm#x2170689">fix pack</a>.</dd>
|
||
|
|
<dt id="x2035146" class="bold">
|
||
|
|
<a name="x2035146"></a>program variable</dt>
|
||
|
|
<dd>A named changeable
|
||
|
|
value that can exist only within programs. Its value cannot be obtained or
|
||
|
|
used when the program that contains it is no longer running.</dd>
|
||
|
|
<dt id="x2035151" class="bold">
|
||
|
|
<a name="x2035151"></a>project</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, the
|
||
|
|
name of an application consisting of a collection of one or more groups.</dd>
|
||
|
|
<dt id="x2035156" class="bold">
|
||
|
|
<a name="x2035156"></a>project administrator</dt>
|
||
|
|
<dd>In the Application
|
||
|
|
Development Manager feature of the Application Development ToolSet licensed
|
||
|
|
program, the person who defines the environment in which developers work and
|
||
|
|
who enrolls them to a project within the environment.</dd>
|
||
|
|
<dt id="x2035161" class="bold">
|
||
|
|
<a name="x2035161"></a>project hierarchy</dt>
|
||
|
|
<dd>In the Application
|
||
|
|
Development Manager feature of the Application Development ToolSet licensed
|
||
|
|
program, a collection of groups organized into levels, with each level representing
|
||
|
|
a phase in the development process.</dd>
|
||
|
|
<dt id="x2035166" class="bold">
|
||
|
|
<a name="x2035166"></a>project log</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, a
|
||
|
|
record of what has changed in a project, the commands used, the user who issued
|
||
|
|
the commands, and when the changes took place. This log can be printed or
|
||
|
|
viewed on a display.</dd>
|
||
|
|
<dt id="x2035171" class="bold">
|
||
|
|
<a name="x2035171"></a>promote</dt>
|
||
|
|
<dd>(1) In application development,
|
||
|
|
to move a part up one level in the project hierarchy.</dd>
|
||
|
|
<dd>(2) In ILE,
|
||
|
|
to convert an unhandled exception into a new exception with a different meaning.
|
||
|
|
The new exception is passed on to the next exception handler.</dd>
|
||
|
|
<dt id="x2035179" class="bold">
|
||
|
|
<a name="x2035179"></a>promote code</dt>
|
||
|
|
<dd>In the Application Development
|
||
|
|
Manager feature of the Application Development ToolSet licensed program, an
|
||
|
|
identifier that shows to which group a part can be promoted to in the project
|
||
|
|
hierarchy.</dd>
|
||
|
|
<dt id="x2035184" class="bold">
|
||
|
|
<a name="x2035184"></a>promote path</dt>
|
||
|
|
<dd>Application Development
|
||
|
|
ToolSet licensed program, the arrangement of groups between a group containing
|
||
|
|
parts that must be promoted and the group that will eventually contain the
|
||
|
|
parts when work on them is finished.</dd>
|
||
|
|
<dt id="x2035189" class="bold">
|
||
|
|
<a name="x2035189"></a>prompt</dt>
|
||
|
|
<dd>A message or a displayed symbol
|
||
|
|
that requests information or user action. The user must respond to allow the
|
||
|
|
program to proceed.</dd>
|
||
|
|
<dt id="x2353235" class="bold">
|
||
|
|
<a name="x2353235"></a>Proof of Entitlement (POE)</dt>
|
||
|
|
<dd>A document
|
||
|
|
that validates the licensed programs that a customer has purchased.</dd>
|
||
|
|
<dt id="x2035199" class="bold">
|
||
|
|
<a name="x2035199"></a>proportional spacing</dt>
|
||
|
|
<dd>The spacing
|
||
|
|
of characters according to their relative width.</dd>
|
||
|
|
<dt id="x2035204" class="bold">
|
||
|
|
<a name="x2035204"></a>proposal</dt>
|
||
|
|
<dd>A proposal is a collection
|
||
|
|
of protocols that the initiating and responding key servers use to establish
|
||
|
|
a dynamic virtual private network (VPN) connection between two endpoints.</dd>
|
||
|
|
<dt id="x2035209" class="bold">
|
||
|
|
<a name="x2035209"></a>proposed abstract syntax list</dt>
|
||
|
|
<dd>In
|
||
|
|
OSI, a list of abstract syntaxes that an application entity specifies as acceptable
|
||
|
|
when initiating an association.</dd>
|
||
|
|
<dt id="x2003940" class="bold">
|
||
|
|
<a name="x2003940"></a>protected conversation</dt>
|
||
|
|
<dd>An LU 6.2
|
||
|
|
conversation that supports two-phase commit protocols for resource recovery
|
||
|
|
and resynchronization protocols. See also <a href="rzaatu.htm#x2042620">unprotected
|
||
|
|
conversation</a>.</dd>
|
||
|
|
<dt id="x2035217" class="bold">
|
||
|
|
<a name="x2035217"></a>protected field</dt>
|
||
|
|
<dd>A field on a display
|
||
|
|
in which a user cannot add, change, or delete data.</dd>
|
||
|
|
<dt id="x2035222" class="bold">
|
||
|
|
<a name="x2035222"></a>protected file</dt>
|
||
|
|
<dd>A file that cannot
|
||
|
|
be changed by an override file command.</dd>
|
||
|
|
<dt id="x2035232" class="bold">
|
||
|
|
<a name="x2035232"></a>protected logical unit of work (protected LUW)</dt>
|
||
|
|
<dd>The logical unit of work that is used in a protected conversation.</dd>
|
||
|
|
<dt id="x2035227" class="bold">
|
||
|
|
<a name="x2035227"></a>protected logical unit of work identifier (protected
|
||
|
|
LUWID)</dt>
|
||
|
|
<dd>The logical unit of work identifier that is used in a protected
|
||
|
|
conversation.</dd>
|
||
|
|
<dt id="x2170312" class="bold">
|
||
|
|
<a name="x2170312"></a>protected LUW</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035232">protected logical unit of work</a>.</dd>
|
||
|
|
<dt id="x2170310" class="bold">
|
||
|
|
<a name="x2170310"></a>protected LUWID</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035227">protected logical unit of work identifier</a>.</dd>
|
||
|
|
<dt id="x2035237" class="bold">
|
||
|
|
<a name="x2035237"></a>protected password</dt>
|
||
|
|
<dd>In APPC, a string
|
||
|
|
of bytes that is substituted for a user password. The protected password is
|
||
|
|
sent instead of the user password and can be used to verify the identity of
|
||
|
|
the user but only under specific and controlled circumstances. The LU type
|
||
|
|
6.2 architecture refers to the protected password as a password substitute.</dd>
|
||
|
|
<dt id="x2035242" class="bold">
|
||
|
|
<a name="x2035242"></a>protected resource</dt>
|
||
|
|
<dd>(1) A resource, such
|
||
|
|
as a database, that can be changed only in accordance with the two-phase commit
|
||
|
|
protocol.</dd>
|
||
|
|
<dd>(2) A resource that is updated in a synchronized manner
|
||
|
|
during resource recovery processing.</dd>
|
||
|
|
<dt id="x2035250" class="bold">
|
||
|
|
<a name="x2035250"></a>protected storage</dt>
|
||
|
|
<dd>(1) All auxiliary storage
|
||
|
|
in an auxiliary storage pool (ASP) when mirrored protection is in effect.</dd>
|
||
|
|
<dd>(2) The part of the auxiliary storage pool (ASP) that is reserved
|
||
|
|
for the creation of permanent objects, such as libraries and files, when checksum
|
||
|
|
protection is in effect.</dd>
|
||
|
|
<dt id="x2035258" class="bold">
|
||
|
|
<a name="x2035258"></a>protection level</dt>
|
||
|
|
<dd>The degree to which
|
||
|
|
secure network communications are protected.</dd>
|
||
|
|
<dt id="x2035263" class="bold">
|
||
|
|
<a name="x2035263"></a>protection setup</dt>
|
||
|
|
<dd>In Internet communications,
|
||
|
|
a group of protection subdirectives that work together to define how the server
|
||
|
|
should control access to the resources being protected. You can define protection
|
||
|
|
setups within the configuration file, in separate protection setup files,
|
||
|
|
or by using the Configuration and Administration forms.</dd>
|
||
|
|
<dt id="x2035268" class="bold">
|
||
|
|
<a name="x2035268"></a>protocol</dt>
|
||
|
|
<dd>(1) In OSI, a specification
|
||
|
|
of the format and relative timing of information exchanged between peer entities
|
||
|
|
within a layer.</dd>
|
||
|
|
<dd>(2) A set of rules controlling the communication and
|
||
|
|
transfer of data between two or more devices or systems in a communications
|
||
|
|
network.</dd>
|
||
|
|
<dt id="x2035307" class="bold">
|
||
|
|
<a name="x2035307"></a>Protocol 1 (P1)</dt>
|
||
|
|
<dd>The message transfer
|
||
|
|
protocol used to relay X.400 messages between message transfer agents (MTAs).</dd>
|
||
|
|
<dt id="x2035312" class="bold">
|
||
|
|
<a name="x2035312"></a>Protocol 2 (P2)</dt>
|
||
|
|
<dd>The message protocol
|
||
|
|
used between user agents to convey the syntax and structure of an X.400 message
|
||
|
|
and to specify what a recipient user agent does with the message.</dd>
|
||
|
|
<dt id="x2035279" class="bold">
|
||
|
|
<a name="x2035279"></a>protocol converter</dt>
|
||
|
|
<dd>A general term
|
||
|
|
for a device that changes one type of coded data to another type of coded
|
||
|
|
data for processing.</dd>
|
||
|
|
<dt id="x2035284" class="bold">
|
||
|
|
<a name="x2035284"></a>protocol data unit (PDU)</dt>
|
||
|
|
<dd>(1) In OSI,
|
||
|
|
a unit of data exchanged between peer entities.</dd>
|
||
|
|
<dd>(2) A unit of data
|
||
|
|
exchanged between peer systems.</dd>
|
||
|
|
<dt id="x2210125" class="bold">
|
||
|
|
<a name="x2210125"></a>proxiable tickets</dt>
|
||
|
|
<dd>A ticket granting
|
||
|
|
ticket (TGT) that allows you to get a ticket for a service with IP addresses
|
||
|
|
other than those in the TGT. Unlike forwardable tickets, you cannot proxy
|
||
|
|
a new TGT from your current TGT; you can only proxy service tickets. Forwardable
|
||
|
|
tickets let you transfer your complete identity (TGT) to another machine,
|
||
|
|
whereas proxiable tickets only let you transfer particular tickets. Proxiable
|
||
|
|
tickets allow a service to perform a task on behalf of a principal. The service
|
||
|
|
must be able to take on the identity of the principal for a particular purpose.
|
||
|
|
A proxiable ticket tells the KDC that it can issue a new ticket to a different
|
||
|
|
network address, based on the original ticket granting ticket. With proxiable
|
||
|
|
tickets, a password is not required.</dd>
|
||
|
|
<dt id="x2035317" class="bold">
|
||
|
|
<a name="x2035317"></a>proxy gateway</dt>
|
||
|
|
<dd>A firewall that prevents
|
||
|
|
users outside a private network from accessing computers within the private
|
||
|
|
network.</dd>
|
||
|
|
<dt id="x2035322" class="bold">
|
||
|
|
<a name="x2035322"></a>proxy server</dt>
|
||
|
|
<dd>A server that receives
|
||
|
|
requests intended for another server and that acts on the client's behalf
|
||
|
|
(as the client's proxy) to obtain the requested service. A proxy server is
|
||
|
|
often used when the client and the server are incompatible for direct connection.
|
||
|
|
For example, the client is unable to meet the security authentication requirements
|
||
|
|
of the server but should be permitted some services.</dd>
|
||
|
|
<dt id="x2046705" class="bold">
|
||
|
|
<a name="x2046705"></a>PRP</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034303">prepared</a>.</dd>
|
||
|
|
<dt id="x2035327" class="bold">
|
||
|
|
<a name="x2035327"></a>PRPQ</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2064061">programming
|
||
|
|
request for price quotation</a>.</dd>
|
||
|
|
<dt id="x2035331" class="bold">
|
||
|
|
<a name="x2035331"></a>PSAP</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034390">presentation-layer
|
||
|
|
service access point</a>.</dd>
|
||
|
|
<dt id="x2035335" class="bold">
|
||
|
|
<a name="x2035335"></a>PSAP selector</dt>
|
||
|
|
<dd>In OSI, an external
|
||
|
|
identifier for a service access point at the Presentation Layer. The PSAP
|
||
|
|
selector is part of a presentation address.</dd>
|
||
|
|
<dt id="x2035340" class="bold">
|
||
|
|
<a name="x2035340"></a>PSDN</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2142884">packet-switched
|
||
|
|
data network</a>.</dd>
|
||
|
|
<dt id="x2035344" class="bold">
|
||
|
|
<a name="x2035344"></a>PSDU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034395">presentation-layer
|
||
|
|
service data unit</a>.</dd>
|
||
|
|
<dt id="x2035348" class="bold">
|
||
|
|
<a name="x2035348"></a>pseudo-CL variable</dt>
|
||
|
|
<dd>In REXX, a variable
|
||
|
|
used in CL commands, whose name conforms to the CL programming rules for variables
|
||
|
|
but actually refers to a REXX variable. The name must begin with an ampersand,
|
||
|
|
but it is stripped off when determining the name of the actual REXX variable
|
||
|
|
that is to be used. Pseudo-CL variables must be valid REXX variable names
|
||
|
|
and valid CL variable names.</dd>
|
||
|
|
<dt id="x2035353" class="bold">
|
||
|
|
<a name="x2035353"></a>pseudocode</dt>
|
||
|
|
<dd>A set of instructions
|
||
|
|
that has a logical structure but does not follow the syntax of any particular
|
||
|
|
programming language.</dd>
|
||
|
|
<dt id="x2035358" class="bold">
|
||
|
|
<a name="x2035358"></a>pseudorandom number</dt>
|
||
|
|
<dd>A number that
|
||
|
|
is obtained by some defined arithmetic process, but is effectively a random
|
||
|
|
number for the purpose for which it is required. See also <a href="rzaatr.htm#x2035781">random number</a>.</dd>
|
||
|
|
<dt id="x2035363" class="bold">
|
||
|
|
<a name="x2035363"></a>pseudo-text</dt>
|
||
|
|
<dd>In COBOL, a sequence
|
||
|
|
of character-strings and/or separators bounded by, but not including, pseudo-text
|
||
|
|
delimiters. Pseudo-text is used in the COPY REPLACING statement for replacing
|
||
|
|
text strings.</dd>
|
||
|
|
<dt id="x2035368" class="bold">
|
||
|
|
<a name="x2035368"></a>pseudo-text delimiter</dt>
|
||
|
|
<dd>In COBOL, two
|
||
|
|
equal signs (==) side by side used to define the beginning and end of pseudo-text.</dd>
|
||
|
|
<dt id="x2064158" class="bold">
|
||
|
|
<a name="x2064158"></a>PSF</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034666">Print Services Facility</a>.</dd>
|
||
|
|
<dt id="x2035377" class="bold">
|
||
|
|
<a name="x2035377"></a>PSH</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2033705">physical
|
||
|
|
services header</a>.</dd>
|
||
|
|
<dt id="x2035381" class="bold">
|
||
|
|
<a name="x2035381"></a>PSPI</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034942">product-sensitive
|
||
|
|
programming interface</a>.</dd>
|
||
|
|
<dt id="x2046506" class="bold">
|
||
|
|
<a name="x2046506"></a>PSSA</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2046510">program
|
||
|
|
static storage area</a>.</dd>
|
||
|
|
<dt id="x2385001" class="bold">
|
||
|
|
<a name="x2385001"></a>PSTN</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2353760">public
|
||
|
|
switched telephone network</a>.</dd>
|
||
|
|
<dt id="x2035389" class="bold">
|
||
|
|
<a name="x2035389"></a>PTF</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2035138">program
|
||
|
|
temporary fix</a>.</dd>
|
||
|
|
<dt id="x2024105" class="bold">
|
||
|
|
<a name="x2024105"></a>PTF group</dt>
|
||
|
|
<dd>A single, orderable PTF
|
||
|
|
(program temporary fix or simply, fix) that provides a logical set of PTFs
|
||
|
|
for a specific function such as database or Java. PTF groups are dynamically updated
|
||
|
|
when new PTFs for the same function become available.</dd>
|
||
|
|
<dt id="x2035393" class="bold">
|
||
|
|
<a name="x2035393"></a>PTF media</dt>
|
||
|
|
<dd>The diskette, tape, or
|
||
|
|
CD-ROM on which the user receives program temporary fixes (PTFs).</dd>
|
||
|
|
<dt id="x2035398" class="bold">
|
||
|
|
<a name="x2035398"></a>pthread</dt>
|
||
|
|
<dd>A shortened name for the i5/OS threads API set that is based on a subset of the POSIX standard.</dd>
|
||
|
|
<dt id="x2035403" class="bold">
|
||
|
|
<a name="x2035403"></a>PTT</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2034200">Post
|
||
|
|
Telephone and Telegraph Administration</a>.</dd>
|
||
|
|
<dt id="x2383413" class="bold">
|
||
|
|
<a name="x2383413"></a>PU</dt>
|
||
|
|
<dd>See <a href="rzaatp.htm#x2003791">physical
|
||
|
|
unit</a>.</dd>
|
||
|
|
<dt id="x2035409" class="bold">
|
||
|
|
<a name="x2035409"></a>Public Address Book</dt>
|
||
|
|
<dd>See <a href="rzaatd.htm#x2021270">Domino® Directory</a>.</dd>
|
||
|
|
<dt id="x2003950" class="bold">
|
||
|
|
<a name="x2003950"></a>public authority</dt>
|
||
|
|
<dd>The authority given
|
||
|
|
to users who do not have any specific (private) authority to an object, who
|
||
|
|
are not on the authorization list (if one is specified for the object), and
|
||
|
|
whose group profile has no specific authority to the object. See also <a href="rzaato.htm#x2032858">owner authority</a>, <a href="rzaatp.htm#x2034470">primary group authority</a>, <a href="rzaatp.htm#x2034691">private authority</a>.</dd>
|
||
|
|
<dt id="x2035417" class="bold">
|
||
|
|
<a name="x2035417"></a>public data network (PDN)</dt>
|
||
|
|
<dd>(1) A network
|
||
|
|
operated by a government or private organization to provide computer communications
|
||
|
|
to the public, usually for a fee. With a PDN, a small organization can create
|
||
|
|
a WAN without incurring the equipment costs of long-distance circuits.</dd>
|
||
|
|
<dd>(2) A communications common carrier network that provides data communications
|
||
|
|
services over switched or nonswitched lines.</dd>
|
||
|
|
<dt id="x2035422" class="bold">
|
||
|
|
<a name="x2035422"></a>public interface</dt>
|
||
|
|
<dd>The names of procedures
|
||
|
|
and data items, exported from an ILE service program, that can be accessed
|
||
|
|
by Integrated Language Environment (ILE) programs or other
|
||
|
|
service programs.</dd>
|
||
|
|
<dt id="x2035427" class="bold">
|
||
|
|
<a name="x2035427"></a>public key</dt>
|
||
|
|
<dd>In secure communication,
|
||
|
|
an algorithmic pattern used to decrypt messages that were encrypted by the
|
||
|
|
corresponding private key. A public key is also used to encrypt messages that
|
||
|
|
can be decrypted only by the corresponding private key. Users broadcast their
|
||
|
|
public keys to everyone with whom they must exchange encrypted messages. See
|
||
|
|
also <a href="rzaatk.htm#x2002682">key</a>, <a href="rzaatp.htm#x2034701">private key</a>.</dd>
|
||
|
|
<dt id="x2035432" class="bold">
|
||
|
|
<a name="x2035432"></a>public key cryptography</dt>
|
||
|
|
<dd>A cryptography
|
||
|
|
system that uses two keys: a public key known to everyone and a private or
|
||
|
|
secret key known only to the recipient of the message. The public and private
|
||
|
|
keys are related in such a way that only the public key can be used to encrypt
|
||
|
|
messages and only the corresponding private key can be used to decrypt them.</dd>
|
||
|
|
<dt id="x2184422" class="bold">
|
||
|
|
<a name="x2184422"></a>public key infrastructure (PKI)</dt>
|
||
|
|
<dd>A system of digital certificates, certification authorities, and other registration
|
||
|
|
authorities that verify and authenticate the validity of each party involved
|
||
|
|
in an Internet transaction.</dd>
|
||
|
|
<dt id="x2035437" class="bold">
|
||
|
|
<a name="x2035437"></a>public network</dt>
|
||
|
|
<dd>Generically, a network
|
||
|
|
operated by common carriers or telecommunications administrators for the provision
|
||
|
|
of circuit-switched, packet-switched, and nonswitched lines to the public.
|
||
|
|
See also <a href="rzaatp.htm#x2034713">private network</a>.</dd>
|
||
|
|
<dt id="x2353760" class="bold">
|
||
|
|
<a name="x2353760"></a>public switched telephone network (PSTN)</dt>
|
||
|
|
<dd>A communications common carrier network that provides voice and data
|
||
|
|
communications services over switched lines.</dd>
|
||
|
|
<dt id="x2134239" class="bold">
|
||
|
|
<a name="x2134239"></a>pull-down menu</dt>
|
||
|
|
<dd>In a character-based
|
||
|
|
interface, a menu that emerges in a downward direction from a point or line
|
||
|
|
at or near the top of the screen; for example, a menu that appears when the
|
||
|
|
user selects a particular display element or points to a line in another menu
|
||
|
|
by using a device such as a mouse.</dd>
|
||
|
|
<dt id="x2035455" class="bold">
|
||
|
|
<a name="x2035455"></a>purge</dt>
|
||
|
|
<dd>In Performance Tools, a job
|
||
|
|
attribute that specifies whether a job is to be marked eligible to be moved
|
||
|
|
out of main storage to auxiliary storage when entering a long wait or leaving
|
||
|
|
the activity level.</dd>
|
||
|
|
<dt id="x2035465" class="bold">
|
||
|
|
<a name="x2035465"></a>push</dt>
|
||
|
|
<dd>To add an item to the top of
|
||
|
|
a pushdown list. See also <a href="rzaatp.htm#x2034075">pop</a>.</dd>
|
||
|
|
<dt id="x2035470" class="bold">
|
||
|
|
<a name="x2035470"></a>push button</dt>
|
||
|
|
<dd>A button, labeled with
|
||
|
|
text, graphics, or both, that represents an action that starts when a user
|
||
|
|
selects the push button.</dd>
|
||
|
|
<dt id="x2035475" class="bold">
|
||
|
|
<a name="x2035475"></a>pushdown list</dt>
|
||
|
|
<dd>A list that is constructed
|
||
|
|
and maintained so that the next data element to be retrieved is the most recently
|
||
|
|
stored. See also <a href="rzaatl.htm#x2028302">last-in first-out</a>.</dd>
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<dt id="x2003955" class="bold">
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<a name="x2003955"></a>PU type</dt>
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<dd>See <a href="rzaatp.htm#x2033713">physical unit type</a>.</dd>
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<dt id="x2035480" class="bold">
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<a name="x2035480"></a>PVC</dt>
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<dd>See <a href="rzaatp.htm#x2033560">permanent
|
||
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virtual circuit</a>.</dd></dl>
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