1540 lines
74 KiB
HTML
1540 lines
74 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- 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="owner" content="RCHCLERK@us.ibm.com" />
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<title>M</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="m"></a>
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<h2 id="m">M</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="x2029465" class="bold">
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<a name="x2029465"></a>MAC</dt>
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<dd>(1) See <a href="rzaatm.htm#x2030142">message
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authentication code</a>.</dd>
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<dd>(2) See <a href="rzaatm.htm#x2030039">Medium Access
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Control</a>.</dd>
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<dt id="x2029473" class="bold">
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<a name="x2029473"></a>machine characteristic</dt>
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<dd>Values defined
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in the computer.</dd>
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<dt id="x2029478" class="bold">
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<a name="x2029478"></a>machine interface (MI)</dt>
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<dd>The interface,
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or boundary, between the operating system and the Licensed Internal Code.</dd>
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<dt id="x2029483" class="bold">
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<a name="x2029483"></a>machine language</dt>
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<dd>See <a href="rzaatc.htm#x2096539">computer language</a>. See also <a href="rzaatc.htm#x2081790">computer instruction</a>.</dd>
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<dt id="x2029488" class="bold">
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<a name="x2029488"></a>machine object</dt>
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<dd>A program object that
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has no defined storage form; the object is defined internally to the machine.
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The machine aspect is not available to the user. See also <a href="rzaatd.htm#x2019547">data object</a>.</dd>
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<dt id="x2029493" class="bold">
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<a name="x2029493"></a>machine storage pool</dt>
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<dd>A storage pool
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used by the machine and certain highly shared programs, whose size is specified
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in the system value QMCHPOOL.</dd>
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<dt id="x2029498" class="bold">
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<a name="x2029498"></a>macro</dt>
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<dd>In REXX, a program that performs
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certain operations, such as text editor operations, in applications.</dd>
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<dt id="x2029505" class="bold">
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<a name="x2029505"></a>macroinstruction</dt>
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<dd>A single instruction
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that represents a set of instructions.</dd>
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<dt id="x2029510" class="bold">
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<a name="x2029510"></a>magnetic ink</dt>
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<dd>An ink that contains
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particles of a magnetic substance whose presence can be detected by magnetic
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sensors.</dd>
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<dt id="x2130910" class="bold">
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<a name="x2130910"></a>magnetic ink character recognition</dt>
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<dd>The identification of characters through the use of magnetic ink. See also <a href="rzaato.htm#x2132282">optical character recognition</a>.</dd>
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<dt id="x2029520" class="bold">
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<a name="x2029520"></a>magnetic storage device controller</dt>
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<dd>The I/O controller card in the card enclosure that controls the operation
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of the disk, diskette, and tape devices.</dd>
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<dt id="x2029525" class="bold">
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<a name="x2029525"></a>magnetic stripe reader</dt>
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<dd>A device,
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attached to a display station, that reads data from a magnetic stripe on a
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badge before allowing an operator to sign on.</dd>
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<dt id="x2029530" class="bold">
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<a name="x2029530"></a>magnetic tape drive</dt>
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<dd>A technique for
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moving and controlling magnetic tape.</dd>
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<dt id="x2029535" class="bold">
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<a name="x2029535"></a>magnetic tape subsystem</dt>
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<dd>A tape unit
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that includes the logic interface hardware necessary to operate with a system
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unit.</dd>
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<dt id="x2029540" class="bold">
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<a name="x2029540"></a>magnetic tape unit</dt>
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<dd>A device for reading
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or writing data from or to magnetic tape.</dd>
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<dt id="x2029545" class="bold">
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<a name="x2029545"></a>mail</dt>
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<dd>The distribution objects and
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documents referred to by a mail log.</dd>
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<dt id="x2029550" class="bold">
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<a name="x2029550"></a>mailbox</dt>
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<dd>A collection of pointers
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to message objects that are addressed to a single entity.</dd>
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<dt id="x2029555" class="bold">
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<a name="x2029555"></a>mail exchange record (MX record)</dt>
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<dd>A record in the Domain Name System (DNS) that indicates which host handles
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mail for a particular domain.</dd>
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<dt id="x2029560" class="bold">
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<a name="x2029560"></a>mail server framework (MSF)</dt>
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<dd>A set
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of user exit points and application program interfaces (APIs) that embody
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an abstract design for solutions to a number of related communications problems.</dd>
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<dt id="x2029565" class="bold">
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<a name="x2029565"></a>main distribution frame (MDF)</dt>
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<dd>In
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the CallPath licensed program, a series of quick-connection blocks, supported
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on a frame, that allows trunk lines and telephones to be connected to the
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9722 Redwood system.</dd>
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<dt id="x2029570" class="bold">
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<a name="x2029570"></a>main function</dt>
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<dd>In the C language,
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a function that has the identifier main. Each program must have exactly one
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function named main. The main function is the first user function that gets
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control when a program starts to run.</dd>
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<dt id="x2029575" class="bold">
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<a name="x2029575"></a>mainline module</dt>
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<dd>A sequence of instructions
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called by a program in the main path after it is compiled.</dd>
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<dt id="x2029580" class="bold">
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<a name="x2029580"></a>main program</dt>
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<dd>(1) The first program unit
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to receive control when a program is run.</dd>
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<dd>(2) The highest level program
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involved in a run unit.</dd>
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<dt id="x2029588" class="bold">
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<a name="x2029588"></a>main storage</dt>
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<dd>See <a href="rzaatm.htm#x2030069">memory</a>. See also <a href="rzaata.htm#x2014847">auxiliary storage</a>.</dd>
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<dt id="x2239515" class="bold">
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<a name="x2239515"></a>main storage dump (MSD)</dt>
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<dd>(1) A process
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of collecting data from the system's main storage. It can be done automatically
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by the service processor as a result of a system failure, or it can be performed
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manually by the operator when there appears to be a system failure.</dd>
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<dd>(2) A representation of the contents of main storage that was captured during
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a suspected i5/OS™ failure. This memory content is used for problem analysis.</dd>
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<dt id="x2029593" class="bold">
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<a name="x2029593"></a>main storage dump space</dt>
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<dd>A section
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of storage reserved on the disk unit that is used as a place to save main
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storage for recovery and debugging.</dd>
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<dt id="x2029598" class="bold">
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<a name="x2029598"></a>main storage pool</dt>
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<dd>A division of main
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storage, which allows the user to reserve main storage for processing a job
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or group of jobs, or to use the pools defined by the system. See also <a href="rzaata.htm#x2014852">auxiliary storage pool</a>.</dd>
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<dt id="x2029603" class="bold">
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<a name="x2029603"></a>main storage - TS queue</dt>
|
|
<dd>A dynamic
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storage area managed by CICS® under the temporary storage facility. Data in main
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storage is not kept from one CICS run to the next. See also <a href="rzaata.htm#x2014857">auxiliary storage - TS queue</a>.</dd>
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<dt id="x2029608" class="bold">
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<a name="x2029608"></a>maintenance</dt>
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<dd>In Backup Recovery and
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Media Services, the tasks that must be performed on a routine basis to perform
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cleanup activities and other Backup Recovery and Media Services functions.
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Examples of maintenance are tape expiration, recovery analysis reports, and
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media movement.</dd>
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<dt id="x2029613" class="bold">
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<a name="x2029613"></a>main window</dt>
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<dd>In VisualAge® RPG, a
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window that is an immediate child of the desktop.</dd>
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<dt id="x2029618" class="bold">
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<a name="x2029618"></a>major/activity token</dt>
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<dd>In OSI, the
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session-layer token that controls activities and major synchronize operations.</dd>
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<dt id="x2029623" class="bold">
|
|
<a name="x2029623"></a>major synchronization point</dt>
|
|
<dd>In OSI,
|
|
a session-layer synchronization point that usually represents a logically
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significant piece of work. Major synchronization points are a confirmed service.
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See also <a href="rzaatm.htm#x2030422">minor synchronization point</a>.</dd>
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|
<dt id="x2029628" class="bold">
|
|
<a name="x2029628"></a>major synchronize</dt>
|
|
<dd>In OSI, a confirmed
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|
service provided by the session layer that enables peer application entities
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to synchronize the exchange of data. For example, an application entity can
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send data followed by a major synchronize request; its peer sends back a major
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synchronize response, which indicates that it has received all of the data
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|
that was sent up to the major synchronize request. The major synchronization
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function also marks a recovery point in the data stream. See also <a href="rzaatm.htm#x2030427">minor synchronize</a>.</dd>
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<dt id="x2029633" class="bold">
|
|
<a name="x2029633"></a>major tick</dt>
|
|
<dd>In Business Graphics Utility,
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|
a mark on an axis that denotes character grid units on a chart. See also <a href="rzaatm.htm#x2030432">minor tick</a>.</dd>
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<dt id="x2029638" class="bold">
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|
<a name="x2029638"></a>make</dt>
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|
<dd>In VisualAge RPG, the
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|
process by which all of the components are compiled and assembled to create
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a VRPG application.</dd>
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<dt id="x2059635" class="bold">
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|
<a name="x2059635"></a>MAN</dt>
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|
<dd>See <a href="rzaatm.htm#x2060107">metropolitan
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area network</a>.</dd>
|
|
<dt id="x2029643" class="bold">
|
|
<a name="x2029643"></a>managed object</dt>
|
|
<dd>A resource that is
|
|
subject to management--such as a layer entity, a connection, or a line--as
|
|
viewed from a systems management perspective.</dd>
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|
<dt id="x2029648" class="bold">
|
|
<a name="x2029648"></a>managed system</dt>
|
|
<dd>A system that is being
|
|
controlled by a given system management application; for example, a system
|
|
managed by an HMC or by iSeries™ Navigator.</dd>
|
|
<dt id="x2029653" class="bold">
|
|
<a name="x2029653"></a>Managed System Services</dt>
|
|
<dd>An IBM® licensed program
|
|
that enables a system to be managed by a central site ES/9000® system running
|
|
the IBM NetView® Distribution Manager program. Managed System Services enables
|
|
objects and program temporary fixes (PTFs) to be sent or retrieved, PTFs to
|
|
be applied, programs to be run, and the central site system to control an
|
|
initial program load (IPL) of the system.</dd>
|
|
<dt id="x2029673" class="bold">
|
|
<a name="x2029673"></a>Management Central</dt>
|
|
<dd>A suite of systems
|
|
management functions that is an integrated part of iSeries Navigator.
|
|
Management Central provides the base for managing multiple systems.</dd>
|
|
<dt id="x2029678" class="bold">
|
|
<a name="x2029678"></a>management collection</dt>
|
|
<dd>An object within
|
|
the i5/OS operating system that includes the data for a number of collections.
|
|
The collections begin when the collector is started and continue until the
|
|
collection is either ended or cycled. The system-recognized identifier for
|
|
the object type is *MGTCOL.</dd>
|
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<dt id="x2029683" class="bold">
|
|
<a name="x2029683"></a>management domain</dt>
|
|
<dd>In OSI X.400, a
|
|
set of one or more message transfer agents and zero or more user agents that
|
|
make up a system capable of handling messages and is managed by either an
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administration or private company.</dd>
|
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<dt id="x2029691" class="bold">
|
|
<a name="x2029691"></a>management information</dt>
|
|
<dd>In OSI, information--associated
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|
with a managed object--that is operated on by management protocols to control
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and monitor that object.</dd>
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|
<dt id="x2029696" class="bold">
|
|
<a name="x2029696"></a>Management Information Base (MIB)</dt>
|
|
<dd>(1) A database containing the information pertinent to network management. The
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database is conceptually organized as a tree.</dd>
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|
<dd>(2) In the Simple Network
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|
Management Protocol (SNMP), units of managed information that specifically
|
|
describe an aspect of a system, such as the system name, hardware number,
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or communications configuration. A collection of related MIB objects is defined
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|
as a MIB.</dd>
|
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<dt id="x2029704" class="bold">
|
|
<a name="x2029704"></a>management protocols</dt>
|
|
<dd>In OSI, protocols
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|
for use in systems management.</dd>
|
|
<dt id="x2029709" class="bold">
|
|
<a name="x2029709"></a>management services (MS)</dt>
|
|
<dd>In SNA,
|
|
one of the types of network services in control points and physical units.
|
|
Management services is the service provided to assist in the management of
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|
SNA networks, such as problem management, performance and accounting management,
|
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configuration management, and change management.</dd>
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<dt id="x2029714" class="bold">
|
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<a name="x2029714"></a>manager</dt>
|
|
<dd>(1) The part of a distributed
|
|
management application that issues requests and receives notifications; that
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|
is, uses the services of one or more agents.</dd>
|
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<dd>(2) See <a href="rzaatm.htm#x2029740">managing process</a>.</dd>
|
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<dt id="x2029730" class="bold">
|
|
<a name="x2029730"></a>manager list</dt>
|
|
<dd>In OSI, a list that
|
|
an agent maintains of the managing processes that are--or are eligible to
|
|
become--managers of that agent.</dd>
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<dt id="x2029735" class="bold">
|
|
<a name="x2029735"></a>manager node</dt>
|
|
<dd>In OSI, a node that
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|
provides a managing process.</dd>
|
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<dt id="x2029740" class="bold">
|
|
<a name="x2029740"></a>managing process</dt>
|
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<dd>In OSI, the part
|
|
of a systems management application that monitors and controls the resources
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|
of an agent process. In OSI Communications Subsystem, the managing process
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can send operator commands to--and receive event reports from--its agent processes.</dd>
|
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<dt id="x2029745" class="bold">
|
|
<a name="x2029745"></a>mandatory entry field</dt>
|
|
<dd>A field in
|
|
which an operator must enter at least one character.</dd>
|
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<dt id="x2029750" class="bold">
|
|
<a name="x2029750"></a>mandatory fill field</dt>
|
|
<dd>A field that
|
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a user must leave blank, or must fill in completely.</dd>
|
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<dt id="x2029755" class="bold">
|
|
<a name="x2029755"></a>manual answer</dt>
|
|
<dd>In data communications,
|
|
a line type that requires operator actions to receive a call over a switched
|
|
line. See also <a href="rzaata.htm#x2014704">automatic answer</a>.</dd>
|
|
<dt id="x2029760" class="bold">
|
|
<a name="x2029760"></a>manual call</dt>
|
|
<dd>In data communications,
|
|
a line type requiring operator actions to place a call over a switched line.
|
|
See also <a href="rzaata.htm#x2049543">automatic calling</a>.</dd>
|
|
<dt id="x2029765" class="bold">
|
|
<a name="x2029765"></a>manual connection</dt>
|
|
<dd>A virtual private
|
|
network (VPN) connection in which all of the parameters of a manual connection
|
|
must be set up manually. Manual connections do not automatically refresh the
|
|
keys that maintain data security. See also <a href="rzaatd.htm#x2021575">dynamic connection</a>.</dd>
|
|
<dt id="x2029770" class="bold">
|
|
<a name="x2029770"></a>Manufacturing Automation Protocol (MAP)</dt>
|
|
<dd>In OSI, a specification developed by industrial users to provide a common
|
|
set of protocols to allow communications between computers and factory floor
|
|
equipment in the manufacturing environment. It is based on a subset of the
|
|
open systems interconnection (OSI) standard.</dd>
|
|
<dt id="x2029775" class="bold">
|
|
<a name="x2029775"></a>MAP</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029770">Manufacturing
|
|
Automation Protocol</a>.</dd>
|
|
<dt id="x2029779" class="bold">
|
|
<a name="x2029779"></a>mapped address</dt>
|
|
<dd>A bidirectional mapping
|
|
of one address to another.</dd>
|
|
<dt id="x2003055" class="bold">
|
|
<a name="x2003055"></a>mapped conversation</dt>
|
|
<dd>In advanced program-to-program
|
|
communications (APPC), a temporary connection between an application program
|
|
and an APPC session in which the system provides all the information on how
|
|
the data is formatted. See also <a href="rzaatb.htm#x2000321">basic conversation</a>.</dd>
|
|
<dt id="x2029787" class="bold">
|
|
<a name="x2029787"></a>mapping</dt>
|
|
<dd>A representation of one thing
|
|
to another.</dd>
|
|
<dt id="x2029792" class="bold">
|
|
<a name="x2029792"></a>mapping object</dt>
|
|
<dd>(1) A function of AFP™ Utilities
|
|
that maps a database field value to an object name.</dd>
|
|
<dd>(2) An object
|
|
that passes values to the IBM-supplied mapping program. It is used to customize
|
|
the PDF subsystem without writing a mapping program. See also <a href="rzaatm.htm#x2391806">mapping program</a>, <a href="rzaatp.htm#x2391811">PDF subsystem</a>.</dd>
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<dt id="x2391806" class="bold">
|
|
<a name="x2391806"></a>mapping program</dt>
|
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<dd>An exit program used
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|
to interpret routing tags, to specify the subject of an e-mail, to add text
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to the beginning of an e-mail, to specify the path to store the PDF stream
|
|
file, and more. See also <a href="rzaati.htm#x2391801">intelligent routing</a>, <a href="rzaatp.htm#x2391811">PDF subsystem</a>, <a href="rzaatm.htm#x2029792">mapping object</a>.</dd>
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<dt id="x2029797" class="bold">
|
|
<a name="x2029797"></a>mapping table</dt>
|
|
<dd>An object that contains
|
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a set of hexadecimal characters used to map data from one character set and
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|
code page to another. For example, unprintable characters can be mapped to
|
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blanks, and lowercase alphabetic characters can be mapped to uppercase characters.</dd>
|
|
<dt id="x2029802" class="bold">
|
|
<a name="x2029802"></a>map set</dt>
|
|
<dd>In basic mapping support
|
|
(BMS), one or more maps combined in a map set. The effects of this combination
|
|
are to reduce the number of entries in the PPT, and to load simultaneously
|
|
all maps needed for one application.</dd>
|
|
<dt id="x2029807" class="bold">
|
|
<a name="x2029807"></a>margin A</dt>
|
|
<dd>The margin between the 7th
|
|
and 8th character positions of a reference format for a COBOL source program
|
|
line.</dd>
|
|
<dt id="x2029812" class="bold">
|
|
<a name="x2029812"></a>margin B</dt>
|
|
<dd>The margin between the 11th
|
|
and 12th character positions of a reference format for a COBOL source program
|
|
line.</dd>
|
|
<dt id="x2029817" class="bold">
|
|
<a name="x2029817"></a>margin C</dt>
|
|
<dd>The margin between the 6th
|
|
and 7th character positions of a reference format for a COBOL source program
|
|
line.</dd>
|
|
<dt id="x2029822" class="bold">
|
|
<a name="x2029822"></a>margin L</dt>
|
|
<dd>The margin immediately to
|
|
the left of the leftmost character position of a reference format for a COBOL
|
|
source program line.</dd>
|
|
<dt id="x2029827" class="bold">
|
|
<a name="x2029827"></a>margin R</dt>
|
|
<dd>The margin immediately to
|
|
the right of the rightmost character position of a reference format for a
|
|
COBOL source program line.</dd>
|
|
<dt id="x2029832" class="bold">
|
|
<a name="x2029832"></a>margin text</dt>
|
|
<dd>Notes written in the
|
|
margins on the top, bottom, left, or right of a document.</dd>
|
|
<dt id="x2029837" class="bold">
|
|
<a name="x2029837"></a>marker</dt>
|
|
<dd>In the GDDM® function, a
|
|
symbol centered on a point. Line charts may use markers to indicate the plotted
|
|
points.</dd>
|
|
<dt id="x2029845" class="bold">
|
|
<a name="x2029845"></a>marking</dt>
|
|
<dd>In QoS, the process of setting
|
|
the bits in the Internet Protocol (IP) type-of-service byte. This is primarily
|
|
a mechanism that is used in differentiated services. As an example, in-profile
|
|
packets could be marked with one differentiated services code point, while
|
|
out-of-profile packets are marked with another code point.</dd>
|
|
<dt id="x2029855" class="bold">
|
|
<a name="x2029855"></a>mask</dt>
|
|
<dd>A pattern or template that is
|
|
applied to an Internet Protocol (IP) address to specify which bits are significant
|
|
and which bits are irrelevant.</dd>
|
|
<dt id="x2029866" class="bold">
|
|
<a name="x2029866"></a>masquerade NAT</dt>
|
|
<dd>A TCP/IP function
|
|
that allows a user to translate multiple Internet Protocol (IP) addresses
|
|
to another single IP address. Masquerade NAT is used to hide one or more IP
|
|
addresses on an internal network behind an IP address that will be made public.
|
|
Traffic can initiate from the private internal addresses only.</dd>
|
|
<dt id="x2029871" class="bold">
|
|
<a name="x2029871"></a>master file</dt>
|
|
<dd>A collection of permanent
|
|
information, such as a file of customer addresses.</dd>
|
|
<dt id="x2029880" class="bold">
|
|
<a name="x2029880"></a>master name server</dt>
|
|
<dd>A name server
|
|
that provides secondary name servers with domain data.</dd>
|
|
<dt id="x2029885" class="bold">
|
|
<a name="x2029885"></a>master profile</dt>
|
|
<dd>In iSeries Access family,
|
|
a file that contains the session profiles and keyboard profiles for a user's
|
|
workstation function session.</dd>
|
|
<dt id="x2029895" class="bold">
|
|
<a name="x2029895"></a>master sort table</dt>
|
|
<dd>A system-supplied
|
|
table that contains sort information required for sorting double-byte characters.
|
|
This table is maintained by the character generator utility function of the
|
|
Application Development ToolSet licensed program.</dd>
|
|
<dt id="x2029900" class="bold">
|
|
<a name="x2029900"></a>match fields</dt>
|
|
<dd>In RPG primary or secondary
|
|
multifile processing, fields within a record type that are to be used for
|
|
checking the order of a single file, or for matching records of one file with
|
|
those of another file.</dd>
|
|
<dt id="x2191604" class="bold">
|
|
<a name="x2191604"></a>matching record indicator (MR indicator)</dt>
|
|
<dd>An indicator used in calculation or output specifications to indicate
|
|
operations that are to be performed only when records match in primary and
|
|
secondary files.</dd>
|
|
<dt id="x2029910" class="bold">
|
|
<a name="x2029910"></a>match level</dt>
|
|
<dd>In RPG, the value (M1
|
|
through M9) assigned to the match field. The match level identifies fields
|
|
by which records are matched during primary or secondary multifile processing.</dd>
|
|
<dt id="x2029915" class="bold">
|
|
<a name="x2029915"></a>matrix</dt>
|
|
<dd>An arrangement in rows and
|
|
columns.</dd>
|
|
<dt id="x2029920" class="bold">
|
|
<a name="x2029920"></a>MAU</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030904">multistation
|
|
access unit</a>.</dd>
|
|
<dt id="x2210165" class="bold">
|
|
<a name="x2210165"></a>maxcon</dt>
|
|
<dd>The number of conversations
|
|
that can be active at one time. The system asks you to define this number
|
|
when you set up NAT masquerade rules. The default value is 128. Maxcon only
|
|
pertains to Masquerade NAT rules.</dd>
|
|
<dt id="x2029924" class="bold">
|
|
<a name="x2029924"></a>maximize</dt>
|
|
<dd>A choice that, when selected,
|
|
enlarges the window to its largest possible size.</dd>
|
|
<dt id="x2029929" class="bold">
|
|
<a name="x2029929"></a>maximum transmission unit (MTU)</dt>
|
|
<dd>The largest possible unit of data that can be sent on a given physical medium
|
|
in a single frame. For example, the maximum transmission unit for Ethernet
|
|
is 1500 bytes.</dd>
|
|
<dt id="x2394907" class="bold">
|
|
<a name="x2394907"></a>Mb</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030053">megabit</a>.</dd>
|
|
<dt id="x2227103" class="bold">
|
|
<a name="x2227103"></a>MB</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030061">megabyte</a>.</dd>
|
|
<dt id="x2009403" class="bold">
|
|
<a name="x2009403"></a>MBCS</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030744">multibyte
|
|
character set</a>.</dd>
|
|
<dt id="x2029954" class="bold">
|
|
<a name="x2029954"></a>MCA</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030157">message
|
|
channel agent</a>.</dd>
|
|
<dt id="x2029958" class="bold">
|
|
<a name="x2029958"></a>MDF</dt>
|
|
<dd>(1) See <a href="rzaatm.htm#x2030817">multiple
|
|
device file</a>.</dd>
|
|
<dd>(2) See <a href="rzaatm.htm#x2029565">main distribution frame</a>.</dd>
|
|
<dt id="x2029962" class="bold">
|
|
<a name="x2029962"></a>MDT</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030577">modified
|
|
data tag</a>.</dd>
|
|
<dt id="x2029966" class="bold">
|
|
<a name="x2029966"></a>mechanism</dt>
|
|
<dd>A specific algorithm or
|
|
operation (such as a queueing discipline) that is implemented in a node to
|
|
realize a set of one or more per-hop behaviors.</dd>
|
|
<dt id="x2029971" class="bold">
|
|
<a name="x2029971"></a>media</dt>
|
|
<dd>(1) In Backup Recovery and Media
|
|
Services, an individual physical tape cartridge or tape reel, or removable
|
|
storage device available for use by the server. This media is grouped into
|
|
media classes for management, tracking, and statistical analysis.</dd>
|
|
<dd>(2) Magnetic disks, magnetic tapes, compact discs (CDs), and digital video disks
|
|
(DVDs).</dd>
|
|
<dt id="x2029976" class="bold">
|
|
<a name="x2029976"></a>media access method</dt>
|
|
<dd>The method for
|
|
determining which device has access to the transmission medium at any time.</dd>
|
|
<dt id="x2029981" class="bold">
|
|
<a name="x2029981"></a>media class</dt>
|
|
<dd>In Backup Recovery and
|
|
Media Services, a user-defined name used to identify the type and characteristics
|
|
of the physical media to be managed as a group for backup, archive, or recovery
|
|
operations. Each media class is distinguished by attributes, such as format
|
|
or capacity, that are used by the server.</dd>
|
|
<dt id="x2029986" class="bold">
|
|
<a name="x2029986"></a>media inventory</dt>
|
|
<dd>In Backup Recovery
|
|
and Media Services, a library that contains information about media that has
|
|
been enrolled in Backup Recovery and Media Services. The media inventory contains
|
|
information such as volume serial identifier, expiration date, creation date,
|
|
and location. Media in the media inventory is used for backup, archive, and
|
|
recovery operations.</dd>
|
|
<dt id="x2029991" class="bold">
|
|
<a name="x2029991"></a>medialess</dt>
|
|
<dd>Pertaining to a personal
|
|
computer or workstation that does not have a diskette or tape drive or a hard
|
|
disk.</dd>
|
|
<dt id="x2029996" class="bold">
|
|
<a name="x2029996"></a>medialess programmable workstation</dt>
|
|
<dd>A programmable workstation that does not contain a diskette or tape drive
|
|
or a hard disk. Cooperative processing is done through a shared folder on
|
|
the server.</dd>
|
|
<dt id="x2030001" class="bold">
|
|
<a name="x2030001"></a>media library device (MLD)</dt>
|
|
<dd>A tape
|
|
storage device that contains one or more tape drives, tape cartridges, and
|
|
a part (carriage and picker assembly) for moving tape media between the cartridge
|
|
storage slots and the tape drives.</dd>
|
|
<dt id="x2030006" class="bold">
|
|
<a name="x2030006"></a>media management</dt>
|
|
<dd>In Backup Recovery
|
|
and Media Services, the overall control, cataloging, and tracking of removable
|
|
media by status, storage location, container placement, and contents by volume
|
|
from creation to expiration. Backup Recovery and Media Services tracks only
|
|
enrolled volumes. Tapes and other media are managed by media class and individual
|
|
volumes within the class. Both active and expired media are tracked by volume
|
|
serial number.</dd>
|
|
<dt id="x2030011" class="bold">
|
|
<a name="x2030011"></a>media origin</dt>
|
|
<dd>One of the four corners
|
|
of the physical medium (usually paper) where printing begins.</dd>
|
|
<dt id="x2030016" class="bold">
|
|
<a name="x2030016"></a>media policy</dt>
|
|
<dd>In Backup Recovery and
|
|
Media Services, a policy that defines the default values used for management
|
|
of a media class. A user can have multiple media policies (one for each media
|
|
class) to define such things as the move policy used for this media class,
|
|
the type of retention, the use of save files, and the number of copies to
|
|
be made. Values for a media policy are inherited from the system policy and
|
|
can be overridden by the media policy or by the user at the control group
|
|
level.</dd>
|
|
<dt id="x2030021" class="bold">
|
|
<a name="x2030021"></a>media pool</dt>
|
|
<dd>In Backup Recovery and
|
|
Media Services, a grouping of media by similar characteristics such as by
|
|
tape density or tape capacity. A media pool is used to help track media and
|
|
protect the active data on the media. Synonymous with media class.</dd>
|
|
<dt id="x2030026" class="bold">
|
|
<a name="x2030026"></a>media set</dt>
|
|
<dd>(1) In Backup Recovery and
|
|
Media Services, a multivolume tape group created as a result of a backup operation
|
|
or archive operation. Media sets are managed as a group to provide consistent
|
|
management of single and multivolume output and to provide integrity in cases
|
|
where an individual volume in a media set is expired in advance of the remaining
|
|
volumes.</dd>
|
|
<dd>(2) In software distribution and installation, a multivolume
|
|
CD-ROM, CD-R, or tape group created for the purpose of distributing a selection
|
|
of software to customers for installation on to the system. Some media sets,
|
|
for example, a system software release upgrade media set, may consist of a
|
|
collection of smaller media sets, each containing a specialized selection
|
|
of the Licensed Internal Code, licensed programs, the operating system, and
|
|
program temporary fixes needed to operate the system and use it to do business.</dd>
|
|
<dt id="x2030034" class="bold">
|
|
<a name="x2030034"></a>medium</dt>
|
|
<dd>The material on which computer
|
|
information is stored. Examples of media are diskettes, hard disk drives,
|
|
CDs, and tape.</dd>
|
|
<dt id="x2030039" class="bold">
|
|
<a name="x2030039"></a>Medium Access Control (MAC)</dt>
|
|
<dd>In a
|
|
local area network, the protocol that determines which device has access to
|
|
the transmission medium at a given time.</dd>
|
|
<dt id="x2030044" class="bold">
|
|
<a name="x2030044"></a>medium attachment unit</dt>
|
|
<dd>See <a href="rzaatt.htm#x2041887">transceiver</a>.</dd>
|
|
<dt id="x2030053" class="bold">
|
|
<a name="x2030053"></a>megabit (Mb)</dt>
|
|
<dd>For processor storage,
|
|
real and virtual storage, and channel volume, 2 to the power of 20 or 1 048
|
|
576 bits. For disk storage capacity and communications volume, 1 000 000 bits.</dd>
|
|
<dt id="x2030061" class="bold">
|
|
<a name="x2030061"></a>megabyte (MB)</dt>
|
|
<dd>For processor storage,
|
|
real and virtual storage, and channel volume, 2 to 50th power or 1,048,576
|
|
bytes. For disk storage capacity and communications volume, 1 000 000 bytes.</dd>
|
|
<dt id="x2003073" class="bold">
|
|
<a name="x2003073"></a>member</dt>
|
|
<dd>In iSeries, one of several
|
|
different sets of data, each with the same format, within one database file.</dd>
|
|
<dt id="x2030069" class="bold">
|
|
<a name="x2030069"></a>memory</dt>
|
|
<dd>Program-addressable storage
|
|
from which instructions and other data can be loaded directly into registers
|
|
for subsequent running or processing. See also <a href="rzaata.htm#x2014847">auxiliary
|
|
storage</a>.</dd>
|
|
<dt id="x2030074" class="bold">
|
|
<a name="x2030074"></a>memory pool</dt>
|
|
<dd>A logical division of
|
|
memory (storage) that is reserved for processing a job or group of jobs. Synonymous
|
|
with main storage pool.</dd>
|
|
<dt id="x2003091" class="bold">
|
|
<a name="x2003091"></a>menu</dt>
|
|
<dd>A displayed list of items from
|
|
which a user can make a selection.</dd>
|
|
<dt id="x2030082" class="bold">
|
|
<a name="x2030082"></a>menu bar</dt>
|
|
<dd>The area near the top of
|
|
a window, below the title bar and above the rest of the window, that contains
|
|
choices that provide access to other menus.</dd>
|
|
<dt id="x2030087" class="bold">
|
|
<a name="x2030087"></a>menu bar field</dt>
|
|
<dd>In DDS, a panel element
|
|
that contains a numeric field containing one or more menu-bar choice keywords.</dd>
|
|
<dt id="x2030092" class="bold">
|
|
<a name="x2030092"></a>menu bar separator</dt>
|
|
<dd>In DDS, a panel
|
|
element that contains a horizontal line that appears directly below a menu
|
|
bar.</dd>
|
|
<dt id="x2030097" class="bold">
|
|
<a name="x2030097"></a>menu bar switch key</dt>
|
|
<dd>A key that alternates
|
|
the cursor between the menu bar and that application display.</dd>
|
|
<dt id="x2030102" class="bold">
|
|
<a name="x2030102"></a>menu security</dt>
|
|
<dd>A function of the operating
|
|
system that controls which system resources are available to users. Menu security
|
|
restricts a user to a single menu or a sequence of menus that are defined
|
|
in the user profile.</dd>
|
|
<dt id="x2030107" class="bold">
|
|
<a name="x2030107"></a>merge</dt>
|
|
<dd>(1) To insert records throughout
|
|
a single output file.</dd>
|
|
<dd>(2) To combine overrides for a file from the
|
|
first call level up to and including a greater call level, producing the override
|
|
to be applied when the file is used.</dd>
|
|
<dt id="x2030115" class="bold">
|
|
<a name="x2030115"></a>merge file</dt>
|
|
<dd>In COBOL, the temporary
|
|
file that contains all the records to be merged by a MERGE statement. The
|
|
merge file is created and can be used only by the merge function.</dd>
|
|
<dt id="x2210408" class="bold">
|
|
<a name="x2210408"></a>MES</dt>
|
|
<dd>See <a href="rzaatm.htm#x2210406">miscellaneous
|
|
equipment specification</a>.</dd>
|
|
<dt id="x2030120" class="bold">
|
|
<a name="x2030120"></a>mesh-connected session network</dt>
|
|
<dd>A
|
|
configuration where every network node has a control point-to-control point
|
|
session to every other network node. As the number of network nodes increases,
|
|
the number of CP-to-CP sessions increases dramatically.</dd>
|
|
<dt id="x2030125" class="bold">
|
|
<a name="x2030125"></a>message</dt>
|
|
<dd>(1) A communication sent from
|
|
a person or program to another person or program.</dd>
|
|
<dd>(2) In system programming,
|
|
information intended for the terminal operator or system administrator.</dd>
|
|
<dd>(3) In OSI Message Services, a piece of electronic mail in the format of
|
|
the X.400 CCITT standard. An X.400 message can be a document, note, message,
|
|
or file.</dd>
|
|
<dt id="x2030142" class="bold">
|
|
<a name="x2030142"></a>message authentication code (MAC)</dt>
|
|
<dd>In Cryptographic Support, the first 4 bytes from the last 8-byte block of
|
|
ciphertext produced when encrypting a message using cipher block chaining,
|
|
that is added to the end of the plaintext message from which it was created
|
|
and used to detect whether the message was changed during transmission.</dd>
|
|
<dt id="x2030147" class="bold">
|
|
<a name="x2030147"></a>message authentication key</dt>
|
|
<dd>In Cryptographic
|
|
Support, a data encrypting key used to encrypt data to produce a message authentication
|
|
code.</dd>
|
|
<dt id="x2030152" class="bold">
|
|
<a name="x2030152"></a>message channel</dt>
|
|
<dd>In distributed message
|
|
queuing, a mechanism for moving messages from one queue manager to another.
|
|
A message channel comprises two message channel agents (a sender at one end
|
|
and a receiver at the other end) and a communication link.</dd>
|
|
<dt id="x2030157" class="bold">
|
|
<a name="x2030157"></a>message channel agent (MCA)</dt>
|
|
<dd>A program
|
|
that transmits prepared messages from a transmission queue to a communication
|
|
link, or from a communication link to a destination queue. See also <a href="rzaatm.htm#x2178235">Message Queue Interface</a>.</dd>
|
|
<dt id="x2030167" class="bold">
|
|
<a name="x2030167"></a>message descriptor</dt>
|
|
<dd>Control information
|
|
describing the message format and presentation that is carried as part of
|
|
a WebSphere® MQ message. The format of the message descriptor is defined
|
|
by the MQMD structure.</dd>
|
|
<dt id="x2030176" class="bold">
|
|
<a name="x2030176"></a>message envelope</dt>
|
|
<dd>The information
|
|
associated with a message aside from attachments and recipients.</dd>
|
|
<dt id="x2030181" class="bold">
|
|
<a name="x2030181"></a>message file</dt>
|
|
<dd>(1) In CICS, the file holding
|
|
the text of all CICS messages.</dd>
|
|
<dd>(2) An object that contains message
|
|
descriptions. The system-recognized identifier for the object type is *MSGF.</dd>
|
|
<dt id="x2030189" class="bold">
|
|
<a name="x2030189"></a>message handling system (MHS)</dt>
|
|
<dd>In
|
|
OSI X.400, a collection of message transfer agents and user agents that provide
|
|
support for sending and receiving messages.</dd>
|
|
<dt id="x2030194" class="bold">
|
|
<a name="x2030194"></a>message help</dt>
|
|
<dd>More information about
|
|
a message, such as the message type, severity, and date and time sent.</dd>
|
|
<dt id="x2030199" class="bold">
|
|
<a name="x2030199"></a>message identifier</dt>
|
|
<dd>A 7-character
|
|
code that identifies a predefined message, and is used to get the message
|
|
description from a message file.</dd>
|
|
<dt id="x2030204" class="bold">
|
|
<a name="x2030204"></a>message line</dt>
|
|
<dd>An area on the display
|
|
where messages are displayed.</dd>
|
|
<dt id="x2030209" class="bold">
|
|
<a name="x2030209"></a>message object</dt>
|
|
<dd>An abstraction of
|
|
the data structures or system objects that store mail server framework message
|
|
information.</dd>
|
|
<dt id="x2030214" class="bold">
|
|
<a name="x2030214"></a>message priority</dt>
|
|
<dd>In WebSphere MQ, an
|
|
attribute of a message that can affect the order in which messages on a queue
|
|
are retrieved, and whether a trigger event is generated.</dd>
|
|
<dt id="x2030219" class="bold">
|
|
<a name="x2030219"></a>message protocol data unit (MPDU)</dt>
|
|
<dd>In OSI, the elements in Protocol 1 (P1) that are used between message transfer
|
|
agents (MTAs).</dd>
|
|
<dt id="x2030224" class="bold">
|
|
<a name="x2030224"></a>message queue</dt>
|
|
<dd>(1) A list on which messages
|
|
are placed when they are sent to a user ID or device description. The system-recognized
|
|
identifier for the object type is *MSGQ.</dd>
|
|
<dd>(2) In interprocess communications,
|
|
a mechanism that allows a process to communicate with other processes by sending
|
|
messages to a process, receiving messages from a process, or performing control
|
|
operations on a process.</dd>
|
|
<dt id="x2178235" class="bold">
|
|
<a name="x2178235"></a>Message Queue Interface (MQI)</dt>
|
|
<dd>The
|
|
programming interface provided by WebSphere MQ queue managers. The programming
|
|
interface allows application programs to access message queuing services.
|
|
See also <a href="rzaatm.htm#x2030157">message channel agent</a>.</dd>
|
|
<dt id="x2030237" class="bold">
|
|
<a name="x2030237"></a>message queuing</dt>
|
|
<dd>A programming technique
|
|
in which each program within an application communicates with the other programs
|
|
by putting messages on queues.</dd>
|
|
<dt id="x2030242" class="bold">
|
|
<a name="x2030242"></a>message reference key</dt>
|
|
<dd>A key assigned
|
|
to every message on a message waiting line. This key is used to remove a message
|
|
from a message waiting line, to receive a message, and to reply to a message.</dd>
|
|
<dt id="x2030247" class="bold">
|
|
<a name="x2030247"></a>message severity</dt>
|
|
<dd>The measurement
|
|
of how important or significant a message is. The higher the severity level,
|
|
the more severe or important the condition.</dd>
|
|
<dt id="x2030251" class="bold">
|
|
<a name="x2030251"></a>message store (MS)</dt>
|
|
<dd>A component that
|
|
is usually associated with the local delivery exit. The message store provides
|
|
application program interfaces (APIs) for maintaining mailboxes, and it provides
|
|
pointers to message objects.</dd>
|
|
<dt id="x2030256" class="bold">
|
|
<a name="x2030256"></a>message subfile</dt>
|
|
<dd>A subfile where the
|
|
records are messages from a program message queue.</dd>
|
|
<dt id="x2030261" class="bold">
|
|
<a name="x2030261"></a>message transfer agent (MTA)</dt>
|
|
<dd>A program
|
|
that accepts the mail from user agents, delivers messages to user agents,
|
|
and forwards messages to other MTAs.</dd>
|
|
<dt id="x2030266" class="bold">
|
|
<a name="x2030266"></a>message transfer state</dt>
|
|
<dd>In BSC, a
|
|
condition in which a bid exchange was completed and data can be transmitted.</dd>
|
|
<dt id="x2030271" class="bold">
|
|
<a name="x2030271"></a>message transfer system (MTS)</dt>
|
|
<dd>In
|
|
OSI X.400, a collection of message transfer agents. A message transfer system
|
|
provides the means by which user agents can exchange messages.</dd>
|
|
<dt id="x2030276" class="bold">
|
|
<a name="x2030276"></a>message type</dt>
|
|
<dd>A value used to define
|
|
the type of data sent for a distribution to a recipient. The message types
|
|
supported on a system are defined when the mail server framework is configured.
|
|
The value associated with the message type must be a unique type value.</dd>
|
|
<dt id="x2030281" class="bold">
|
|
<a name="x2030281"></a>message unit identifier (MUID)</dt>
|
|
<dd>In
|
|
SNA, a number that uniquely identifies a distribution message unit throughout
|
|
its existence. A message unit exists for only one hop, from one system to
|
|
the adjacent system.</dd>
|
|
<dt id="x2030286" class="bold">
|
|
<a name="x2030286"></a>messaging</dt>
|
|
<dd>A method for communication
|
|
between programs. Messaging can be synchronous or independent of time.</dd>
|
|
<dt id="x2030291" class="bold">
|
|
<a name="x2030291"></a>metaclass</dt>
|
|
<dd>A class whose instances
|
|
are classes. Metaclasses are typically used to construct metamodels.</dd>
|
|
<dt id="x2003096" class="bold">
|
|
<a name="x2003096"></a>metadata</dt>
|
|
<dd>Data that describes the
|
|
characteristics of stored data; descriptive data. For example, the metadata
|
|
for a database table might include the name of the table, the name of the
|
|
database that contains the table, the names of the columns in the table,
|
|
and the column descriptions, either in technical terms or business terms.
|
|
Database catalogs and information catalogs contain metadata.</dd>
|
|
<dt id="x2030299" class="bold">
|
|
<a name="x2030299"></a>metafile</dt>
|
|
<dd>A file containing a series
|
|
of attributes that set color, shape, and size, usually of a picture or a drawing.
|
|
Using a program that can interpret these attributes, a user can view the assembled
|
|
image.</dd>
|
|
<dt id="x2030304" class="bold">
|
|
<a name="x2030304"></a>metaphor</dt>
|
|
<dd>A word, phrase, or visual
|
|
representation that denotes or depicts one object or idea but suggests a likeness
|
|
or analogy with another object or idea.</dd>
|
|
<dt id="x2030309" class="bold">
|
|
<a name="x2030309"></a>metatable</dt>
|
|
<dd>In the OSI Communications
|
|
Subsystem licensed program, the machine-readable form of an abstract syntax.
|
|
The metatable is generated by the Abstract Syntax Checker and used by the
|
|
OSI Communications Subsystem presentation layer to encode and decode data
|
|
being exchanged.</dd>
|
|
<dt id="x2030314" class="bold">
|
|
<a name="x2030314"></a>metering</dt>
|
|
<dd>In QoS, the process of measuring
|
|
the temporal properties (such as rate) of a traffic stream that is selected
|
|
by a classifier. The instantaneous state of this process can be used to affect
|
|
the operation of a marker, shaper, or dropper; and can be used for accounting
|
|
and measurement purposes.</dd>
|
|
<dt id="x2030319" class="bold">
|
|
<a name="x2030319"></a>method</dt>
|
|
<dd>In object-oriented programming,
|
|
an operation that an object can perform. An object can have many methods.</dd>
|
|
<dt id="x2030324" class="bold">
|
|
<a name="x2030324"></a>method binding signature</dt>
|
|
<dd>A hexadecimal
|
|
value that contains the method signature (obtained from the signature bank),
|
|
inheritance level, slot, and signature of the method's class. The method binding
|
|
signature is added to the Interface Definition Language (IDL) source file
|
|
by the signature emitter.</dd>
|
|
<dt id="x2030329" class="bold">
|
|
<a name="x2030329"></a>method pointer</dt>
|
|
<dd>A special i5/OS pointer type.
|
|
A method pointer on a single class. Method pointers are not guaranteed to
|
|
be persistent between multiple jobs.</dd>
|
|
<dt id="x2030334" class="bold">
|
|
<a name="x2030334"></a>method procedure</dt>
|
|
<dd>A function or procedure,
|
|
written in an arbitrary programming language, that implements a method of
|
|
a class.</dd>
|
|
<dt id="x2030339" class="bold">
|
|
<a name="x2030339"></a>method signature</dt>
|
|
<dd>A hexadecimal value
|
|
obtained from a server and placed in a signature bank on the workstation.
|
|
The signature bank uniquely identifies a method. Method signatures are added
|
|
to the Interface Definition Language (IDL) source file by the signature emitter.
|
|
Method signatures are added in the form of a binding signature.</dd>
|
|
<dt id="x2030344" class="bold">
|
|
<a name="x2030344"></a>metric</dt>
|
|
<dd>A measurement of a particular
|
|
characteristic of a program's performance.</dd>
|
|
<dt id="x2060107" class="bold">
|
|
<a name="x2060107"></a>metropolitan area network (MAN)</dt>
|
|
<dd>A network formed by the interconnection of two or more networks which may
|
|
operate at higher speed than those networks, may cross administrative boundaries,
|
|
and may use multiple access methods. See also <a href="rzaatw.htm#x2012446">wide area
|
|
network</a>.</dd>
|
|
<dt id="x2030349" class="bold">
|
|
<a name="x2030349"></a>MFIOP</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030754">multifunction IOP</a>.</dd>
|
|
<dt id="x2030353" class="bold">
|
|
<a name="x2030353"></a>MFM</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030582">modified
|
|
frequency modulation</a>.</dd>
|
|
<dt id="x2030357" class="bold">
|
|
<a name="x2030357"></a>MHS</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030189">message
|
|
handling system</a>.</dd>
|
|
<dt id="x2030361" class="bold">
|
|
<a name="x2030361"></a>MI</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029478">machine
|
|
interface</a>.</dd>
|
|
<dt id="x2030365" class="bold">
|
|
<a name="x2030365"></a>MIB</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029696">Management
|
|
Information Base</a>.</dd>
|
|
<dt id="x2030374" class="bold">
|
|
<a name="x2030374"></a>microfiche</dt>
|
|
<dd>A photographic negative
|
|
containing reduced images of pages of a document, arranged in a grid pattern.</dd>
|
|
<dt id="x2227808" class="bold">
|
|
<a name="x2227808"></a>microsecond</dt>
|
|
<dd>A measurement of time:
|
|
one millionth of a second.</dd>
|
|
<dt id="x2030379" class="bold">
|
|
<a name="x2030379"></a>Microsoft® Windows®</dt>
|
|
<dd>Pertaining to a Microsoft Corporation program that provides a graphical user interface
|
|
for DOS.</dd>
|
|
<dt id="x2030384" class="bold">
|
|
<a name="x2030384"></a>microswitch</dt>
|
|
<dd>A switch operated by
|
|
the movement of some part of the machine.</dd>
|
|
<dt id="x2030389" class="bold">
|
|
<a name="x2030389"></a>migrate</dt>
|
|
<dd>To move data from one storage
|
|
location to another.</dd>
|
|
<dt id="x2087907" class="bold">
|
|
<a name="x2087907"></a>millisecond</dt>
|
|
<dd>A measurement of time:
|
|
1/1000 of a second.</dd>
|
|
<dt id="x2030408" class="bold">
|
|
<a name="x2030408"></a>MIME</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030899">Multipurpose
|
|
Internet Mail Extensions</a>.</dd>
|
|
<dt id="x2030417" class="bold">
|
|
<a name="x2030417"></a>minimize</dt>
|
|
<dd>A choice that reduces the
|
|
window to its smallest possible size and removes all the windows associated
|
|
with that window from the display.</dd>
|
|
<dt id="x2030422" class="bold">
|
|
<a name="x2030422"></a>minor synchronization point</dt>
|
|
<dd>In OSI,
|
|
a session-layer synchronization point that represents a less significant piece
|
|
of work than a major synchronization point. Minor synchronization points are
|
|
an unconfirmed service. See also <a href="rzaatm.htm#x2029623">major synchronization
|
|
point</a>.</dd>
|
|
<dt id="x2030427" class="bold">
|
|
<a name="x2030427"></a>minor synchronize</dt>
|
|
<dd>In OSI, a service
|
|
provided by the session layer that enables peer application entities to mark
|
|
recovery points in the flow of data being exchanged in case they need to resynchronize
|
|
the data stream. See also <a href="rzaatm.htm#x2029628">major synchronize</a>.</dd>
|
|
<dt id="x2030432" class="bold">
|
|
<a name="x2030432"></a>minor tick</dt>
|
|
<dd>In Business Graphics Utility,
|
|
one of the marks located between major ticks on an axis of a chart. See also <a href="rzaatm.htm#x2029633">major tick</a>.</dd>
|
|
<dt id="x2235632" class="bold">
|
|
<a name="x2235632"></a>mirror copy</dt>
|
|
<dd>In cross-site mirroring,
|
|
an independent disk pool that is being geographically mirrored so that it
|
|
is a replica of the production copy of the independent disk pool. If a switchover
|
|
or failover causes the system that owns the mirror copy to become the current
|
|
primary node, the mirror copy becomes the production copy of the independent
|
|
disk pool. The mirror copy has current data only when geographic mirroring
|
|
is active.</dd>
|
|
<dt id="x2235642" class="bold">
|
|
<a name="x2235642"></a>mirror copy data state</dt>
|
|
<dd>In cross-site
|
|
mirroring, the current status of the data that is being geographically mirrored;
|
|
for example, insynch, usable, and unusable.</dd>
|
|
<dt id="x2235637" class="bold">
|
|
<a name="x2235637"></a>mirror copy state</dt>
|
|
<dd>In cross-site mirroring,
|
|
the geographic mirroring state of the mirror copy; for example, active, resume
|
|
pending, resuming, and suspended.</dd>
|
|
<dt id="x2030437" class="bold">
|
|
<a name="x2030437"></a>mirrored pair</dt>
|
|
<dd>Two units that contain
|
|
the same data and are referred to by the system as one logical unit.</dd>
|
|
<dt id="x2030442" class="bold">
|
|
<a name="x2030442"></a>mirrored protection</dt>
|
|
<dd>A function that
|
|
protects data by duplicating all disk data in an auxiliary storage pool (ASP)
|
|
to another disk unit (mirrored unit) in the same ASP. If a disk failure occurs,
|
|
the system keeps running, using the operational mirrored unit of the mirrored
|
|
pair until the disk unit is repaired or replaced. See also <a href="rzaatc.htm#x2016712">checksum protection</a>, <a href="rzaatd.htm#x2020414">device parity protection</a>.</dd>
|
|
<dt id="x2030447" class="bold">
|
|
<a name="x2030447"></a>mirrored unit</dt>
|
|
<dd>One half (one of the
|
|
units) of a mirrored pair of units.</dd>
|
|
<dt id="x2030452" class="bold">
|
|
<a name="x2030452"></a>mirroring</dt>
|
|
<dd>The process of writing
|
|
the same data to two disk units within the same auxiliary storage pool at
|
|
the same time. The two disk units become a mirrored pair, allowing the system
|
|
to continue when one of the mirrored units fails.</dd>
|
|
<dt id="x2210406" class="bold">
|
|
<a name="x2210406"></a>miscellaneous equipment specification (MES)</dt>
|
|
<dd>A hardware change that is made after the time of the initial order.</dd>
|
|
<dt id="x2030457" class="bold">
|
|
<a name="x2030457"></a>mixed-byte character set</dt>
|
|
<dd>A set of
|
|
characters that contain both single-byte characters and double-byte characters.
|
|
For example, a file might contain characters from a single-byte coded character
|
|
set (such as code page 00290) and characters from a double-byte coded character
|
|
set (such as code page 00300).</dd>
|
|
<dt id="x2030462" class="bold">
|
|
<a name="x2030462"></a>mixed CCSID</dt>
|
|
<dd>A mixed-byte (single
|
|
byte and double byte) encoding scheme. CCSID 05026 is an example of a mixed
|
|
CCSID. CCSID 05026 contains both single-byte code page 00290 and double-byte
|
|
code page 00300.</dd>
|
|
<dt id="x2030467" class="bold">
|
|
<a name="x2030467"></a>mixed chart</dt>
|
|
<dd>In the GDDM function, the
|
|
combination of more than one type of chart in a business chart. For example,
|
|
the overlaying of a line chart on a bar chart.</dd>
|
|
<dt id="x2030472" class="bold">
|
|
<a name="x2030472"></a>mixed data</dt>
|
|
<dd>In DB2® UDB for iSeries, data that is associated with both a single-byte character set and a
|
|
double-byte character set.</dd>
|
|
<dt id="x2030477" class="bold">
|
|
<a name="x2030477"></a>mixed data string</dt>
|
|
<dd>In DB2 UDB for iSeries, a character string that can contain both single-byte and double-byte
|
|
characters.</dd>
|
|
<dt id="x2030482" class="bold">
|
|
<a name="x2030482"></a>mixed list</dt>
|
|
<dd>A list of unlike values
|
|
for a parameter that accepts a set of separately defined values. An example
|
|
of a mixed list is a list of user names that embeds another list. See also <a href="rzaats.htm#x2038915">simple list</a>.</dd>
|
|
<dt id="x2131434" class="bold">
|
|
<a name="x2131434"></a>Mixed Object Document
|
|
Content Architecture™ (MO:DCA™)</dt>
|
|
<dd>The architecture that provides
|
|
a single interface definition allowing objects from different products to
|
|
be interchanged so that the data can be edited, presented, or manipulated
|
|
by processes of varying characteristics and intent.</dd>
|
|
<dt id="x2030492" class="bold">
|
|
<a name="x2030492"></a>mixed-release support</dt>
|
|
<dd>An approach
|
|
to managing software delivery that makes it possible for IBM-supplied distribution
|
|
media to deliver entire (or parts of) licensed programs at existing releases
|
|
with or without a new release of i5/OS. Existing licensed programs that are
|
|
enabled for mixed releases but that have no new function are not rebuilt.
|
|
They are not renewed with a new release of the operating system. Similarly,
|
|
optionally installable parts of licensed programs that are enabled for mixed
|
|
releases are not rebuilt or are not renewed with each new release of its base
|
|
licensed program. Enabled licensed programs that remain at earlier releases
|
|
are compatible and function with the new release of the operating system.</dd>
|
|
<dt id="x2030497" class="bold">
|
|
<a name="x2030497"></a>mixed string</dt>
|
|
<dd>A character string that
|
|
consists of both single-byte character set (SBCS) data and bracketed double-byte
|
|
character set (DBCS) data.</dd>
|
|
<dt id="x2030502" class="bold">
|
|
<a name="x2030502"></a>MLD</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030001">media
|
|
library device</a>.</dd>
|
|
<dt id="x2030506" class="bold">
|
|
<a name="x2030506"></a>MNCS</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030784">multinational
|
|
character set</a>.</dd>
|
|
<dt id="x2030510" class="bold">
|
|
<a name="x2030510"></a>mnemonic</dt>
|
|
<dd>A symbol or abbreviation
|
|
chosen to help the user remember the significance or meaning of the symbol.
|
|
For example, CRTUSRPRF is a mnemonic for the Create User Profile command.</dd>
|
|
<dt id="x2030515" class="bold">
|
|
<a name="x2030515"></a>mnemonic-name</dt>
|
|
<dd>In COBOL, a user-defined
|
|
word that is associated in the Environment Division with a specific channel-name,
|
|
switch-name, or unit-name.</dd>
|
|
<dt id="x2131436" class="bold">
|
|
<a name="x2131436"></a>MO:DCA</dt>
|
|
<dd>See <a href="rzaatm.htm#x2131434">Mixed Object Document Content Architecture</a>.</dd>
|
|
<dt id="x2003142" class="bold">
|
|
<a name="x2003142"></a>mode</dt>
|
|
<dd>(1) A method of operation in which
|
|
the actions that are available to a user are determined by the state of the
|
|
system.</dd>
|
|
<dd>(2) The state or setting of a program or device.</dd>
|
|
<dd>(3) In the OSI Communications Subsystem licensed program, a set of parameter values
|
|
that are proposed for use when an association or connection is being established.
|
|
The mode specifies the services needed from one or more layers.</dd>
|
|
<dd>(4) The session limits and common characteristics of the sessions associated with
|
|
advanced-program-to-program communications (APPC) devices managed as a unit
|
|
with a remote location.</dd>
|
|
<dt id="x2030562" class="bold">
|
|
<a name="x2030562"></a>mode-2 character</dt>
|
|
<dd>In the GDDM function, a
|
|
graphics character (symbol), characterized by an unchanging size, constructed
|
|
from picture elements. See also <a href="rzaatm.htm#x2030567">mode-3 character</a>.</dd>
|
|
<dt id="x2030567" class="bold">
|
|
<a name="x2030567"></a>mode-3 character</dt>
|
|
<dd>In the GDDM function, a
|
|
graphics character (symbol), characterized by a variable size and shape, constructed
|
|
from lines and curves. See also <a href="rzaatm.htm#x2030562">mode-2 character</a>.</dd>
|
|
<dt id="x2030532" class="bold">
|
|
<a name="x2030532"></a>mode description</dt>
|
|
<dd>A system object
|
|
created for advanced-program-to-program communications (APPC) devices that
|
|
describes the session limits and the characteristics of the session, such
|
|
as the maximum number of sessions allowed, maximum number of conversations
|
|
allowed, the pacing value for incoming and outgoing request or response units,
|
|
and other controlling information for the session. The system-recognized identifier
|
|
for the object type is *MODD.</dd>
|
|
<dt id="x2030537" class="bold">
|
|
<a name="x2030537"></a>model configuration</dt>
|
|
<dd>In iSeries Access,
|
|
the set of files, created by the iSeries Access administrator, that define a
|
|
set of common characteristics for a set of iSeries Access users. Model configurations
|
|
can be used as a base for defining user configurations.</dd>
|
|
<dt id="x2030542" class="bold">
|
|
<a name="x2030542"></a>model file</dt>
|
|
<dd>In performance, a complete
|
|
representation of a system. It includes both the system configuration and
|
|
the set of workloads running on the configuration.</dd>
|
|
<dt id="x2030547" class="bold">
|
|
<a name="x2030547"></a>model output file</dt>
|
|
<dd>A file that contains
|
|
sample output of a function.</dd>
|
|
<dt id="x2030552" class="bold">
|
|
<a name="x2030552"></a>model system</dt>
|
|
<dd>A system that manages
|
|
the fix (PTF) levels for each of the systems in a network by comparing what
|
|
fixes are available on the model system with a specific endpoint system.</dd>
|
|
<dt id="x2074024" class="bold">
|
|
<a name="x2074024"></a>modem (modulator-demodulator)</dt>
|
|
<dd>A device
|
|
that converts digital data from a computer to an analog signal that can be
|
|
transmitted on a telecommunication line, and converts the analog signal received
|
|
to data for the computer.</dd>
|
|
<dt id="x2030572" class="bold">
|
|
<a name="x2030572"></a>modification level</dt>
|
|
<dd>A distribution
|
|
of additional function or fixes to a program since the previous release or
|
|
modification.</dd>
|
|
<dt id="x2030577" class="bold">
|
|
<a name="x2030577"></a>modified data tag (MDT)</dt>
|
|
<dd>An indicator,
|
|
associated with each input or output field in a displayed record, that is
|
|
automatically set on when data is typed into the field. The modified data
|
|
tag is maintained by the display file and can be used by the program using
|
|
the file.</dd>
|
|
<dt id="x2030582" class="bold">
|
|
<a name="x2030582"></a>modified frequency modulation (MFM)</dt>
|
|
<dd>(1) Pertains to the number of bytes of storage that can be stored on the recording
|
|
media. Synonymous with double-density recording.</dd>
|
|
<dd>(2) Variation in
|
|
the amplitude and frequency of the write signal.</dd>
|
|
<dt id="x2030590" class="bold">
|
|
<a name="x2030590"></a>modular program design</dt>
|
|
<dd>A design in
|
|
which multiple programs do a function (normally one program per function).
|
|
Modular program design applies to both batch and interactive processing.</dd>
|
|
<dt id="x2189419" class="bold">
|
|
<a name="x2189419"></a>modulator-demodulator</dt>
|
|
<dd>See <a href="rzaatm.htm#x2074024">modem</a>.</dd>
|
|
<dt id="x2030595" class="bold">
|
|
<a name="x2030595"></a>module</dt>
|
|
<dd>(1) In the Integrated Language Environment® (ILE) model, the object that results from compiling source code. A module
|
|
cannot be run. To be run, a module must be bound into a program. See also <a href="rzaatp.htm#x2034977">program</a>.</dd>
|
|
<dd>(2) In OSI, one or more instances
|
|
of the use of the ASN.1 notation for type and value definitions, represented
|
|
in ASN.1 module notation.</dd>
|
|
<dd>(3) An i5/OS object that can be a collection of one
|
|
or more procedures and one or more definitions for external or internal variables.
|
|
This object results from the compiling of source code.</dd>
|
|
<dd>(4) In online
|
|
education, a unit of instruction that is part of an education course.</dd>
|
|
<dd>(5) An independent unit that is part of a total structure.</dd>
|
|
<dt id="x2030612" class="bold">
|
|
<a name="x2030612"></a>module width</dt>
|
|
<dd>In AFP Utilities, the
|
|
basic element width used in a bar code. The actual code element may be a module
|
|
width or a multiple of a module width.</dd>
|
|
<dt id="x2030617" class="bold">
|
|
<a name="x2030617"></a>modulo check</dt>
|
|
<dd>A calculation performed
|
|
on values entered into a system by an operator. This calculation is designed
|
|
to detect most common typing errors.</dd>
|
|
<dt id="x2030622" class="bold">
|
|
<a name="x2030622"></a>modulus</dt>
|
|
<dd>In communications, a number,
|
|
such as a positive integer, in a relationship that divides the difference
|
|
between two related numbers without leaving a remainder. For example, 9 and
|
|
4 have a modulus of 5 (9 - 4 = 5; 4 - 9 = -5; and 5 divides both 5 and -5
|
|
without leaving a remainder).</dd>
|
|
<dt id="x2030627" class="bold">
|
|
<a name="x2030627"></a>modulus 10 checking/modulus 11 checking</dt>
|
|
<dd>(1) A method for verifying data.</dd>
|
|
<dd>(2) Formulas used to calculate
|
|
the check digit for a self-check field.</dd>
|
|
<dt id="x2030635" class="bold">
|
|
<a name="x2030635"></a>monitor mode</dt>
|
|
<dd>In BSC, the mode during
|
|
which the communications adapter is looking for synchronization characters.</dd>
|
|
<dt id="x2030640" class="bold">
|
|
<a name="x2030640"></a>monocase table</dt>
|
|
<dd>A table used to convert
|
|
lowercase letters to uppercase letters. The actual process of character conversion
|
|
is called monocasing.</dd>
|
|
<dt id="x2030645" class="bold">
|
|
<a name="x2030645"></a>monochrome</dt>
|
|
<dd>Consisting of a single
|
|
color.</dd>
|
|
<dt id="x2030650" class="bold">
|
|
<a name="x2030650"></a>monospace</dt>
|
|
<dd>(1) Referring to a character
|
|
set that uses one space in a preset width for each character.</dd>
|
|
<dd>(2) One space.</dd>
|
|
<dt id="x2030658" class="bold">
|
|
<a name="x2030658"></a>mount</dt>
|
|
<dd>To make a file system accessible.</dd>
|
|
<dt id="x2172634" class="bold">
|
|
<a name="x2172634"></a>mounted</dt>
|
|
<dd>Pertaining to a status where
|
|
the optical image associated with the selected image catalog entry is active
|
|
or loaded in the active virtual optical device. The mounted image is the currently
|
|
available optical image that can be seen by using the Work with Optical Volumes
|
|
(WRKOPTVOL) command. One optical image can be in mounted status at a time.
|
|
The installation software will start with this image during the installation
|
|
process.</dd>
|
|
<dt id="x2030663" class="bold">
|
|
<a name="x2030663"></a>mouse</dt>
|
|
<dd>A device with one or more buttons
|
|
used to position a pointer on the display without using the keyboard. It allows
|
|
a user to select a choice or function to be performed or to perform operations
|
|
on the display, such as dragging or drawing lines from one position to another.</dd>
|
|
<dt id="x2030668" class="bold">
|
|
<a name="x2030668"></a>mouse button</dt>
|
|
<dd>A mechanism on a mouse
|
|
that a user presses to select choices or start actions.</dd>
|
|
<dt id="x2030673" class="bold">
|
|
<a name="x2030673"></a>move policy</dt>
|
|
<dd>In Backup Recovery and
|
|
Media Services, a policy that defines the movement of media between or among
|
|
storage locations, and the length of time the media is to remain at each location.
|
|
After the move is specified in the move policy, the media is returned to the
|
|
user-specified home location. A move policy can be used with any media policy.</dd>
|
|
<dt id="x2030678" class="bold">
|
|
<a name="x2030678"></a>MPDU</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030219">message
|
|
protocol data unit</a>.</dd>
|
|
<dt id="x2030682" class="bold">
|
|
<a name="x2030682"></a>MPS</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030845">multiple
|
|
port sharing</a>.</dd>
|
|
<dt id="x2030686" class="bold">
|
|
<a name="x2030686"></a>MPTN</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030894">multiprotocol
|
|
transport networking</a>.</dd>
|
|
<dt id="x2030690" class="bold">
|
|
<a name="x2030690"></a>MQI</dt>
|
|
<dd>See <a href="rzaatm.htm#x2178235">Message
|
|
Queue Interface</a>.</dd>
|
|
<dt id="x2030694" class="bold">
|
|
<a name="x2030694"></a>MQSeries®</dt>
|
|
<dd>A previous name for WebSphere MQ.</dd>
|
|
<dt id="x2191609" class="bold">
|
|
<a name="x2191609"></a>MR indicator</dt>
|
|
<dd>See <a href="rzaatm.htm#x2191604">matching record indicator</a>.</dd>
|
|
<dt id="x2030706" class="bold">
|
|
<a name="x2030706"></a>MRJE</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030769">multileaving
|
|
remote job entry</a>.</dd>
|
|
<dt id="x2030710" class="bold">
|
|
<a name="x2030710"></a>MS</dt>
|
|
<dd>(1) See <a href="rzaatm.htm#x2030251">message
|
|
store</a>.</dd>
|
|
<dd>(2) See <a href="rzaatm.htm#x2029709">management services</a>.</dd>
|
|
<dt id="x2194031" class="bold">
|
|
<a name="x2194031"></a>MSB</dt>
|
|
<dd>See <a href="rzaatb.htm#x2015350">big
|
|
endian</a>.</dd>
|
|
<dt id="x2210835" class="bold">
|
|
<a name="x2210835"></a>MSD</dt>
|
|
<dd>See <a href="rzaatm.htm#x2239515">main
|
|
storage dump</a>.</dd>
|
|
<dt id="x2030714" class="bold">
|
|
<a name="x2030714"></a>MSF</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029560">mail
|
|
server framework</a>.</dd>
|
|
<dt id="x2030718" class="bold">
|
|
<a name="x2030718"></a>MSG file</dt>
|
|
<dd>In VisualAge RPG, a
|
|
file containing the application messages. The file is created from the message
|
|
source file during the make process.</dd>
|
|
<dt id="x2030723" class="bold">
|
|
<a name="x2030723"></a>MTA</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030261">message
|
|
transfer agent</a>.</dd>
|
|
<dt id="x2030727" class="bold">
|
|
<a name="x2030727"></a>MTS</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030271">message
|
|
transfer system</a>.</dd>
|
|
<dt id="x2030731" class="bold">
|
|
<a name="x2030731"></a>MTU</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029929">maximum
|
|
transmission unit</a>.</dd>
|
|
<dt id="x2030735" class="bold">
|
|
<a name="x2030735"></a>MUID</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030281">message
|
|
unit identifier</a>.</dd>
|
|
<dt id="x2210849" class="bold">
|
|
<a name="x2210849"></a>multi-adapter bridge</dt>
|
|
<dd>A PCI bridge
|
|
resource in the I/O hardware which provides for the connection of PCI adapters
|
|
to the system PCI I/O bus. Each PCI adapter connected under a multi-adapter
|
|
bridge is controlled individually by the multi-adapter bridge. The multi-adapter
|
|
bridge number identifies a multi-adapter bridge on a given system PCI I/O
|
|
bus and is part of the Direct Select Address for a PCI I/O adapter. The bus
|
|
number and the multi-adapter bridge number together identify a unique multi-adapter
|
|
bridge in the system.</dd>
|
|
<dt id="x2210821" class="bold">
|
|
<a name="x2210821"></a>multi-adapter bridge function</dt>
|
|
<dd>A function
|
|
that identifies a single PCI adapter card location under a multi-adapter bridge.
|
|
The multi-adapter bridge function number is part of the Direct Select Address
|
|
for a PCI I/O adapter. The multi-adapter bridge number and the multi-adapter
|
|
bridge function number together indicate a unique card location connected
|
|
to a given system PCI bus. The bus number and the multi-adapter bridge number
|
|
and the multi-adapter bridge function number together identify a unique PCI
|
|
I/O resource in the system.</dd>
|
|
<dt id="x2030744" class="bold">
|
|
<a name="x2030744"></a>multibyte character set (MBCS)</dt>
|
|
<dd>A
|
|
set of characters in which each character is represented by one or more bytes
|
|
See also <a href="rzaatd.htm#x2001652">double-byte character set</a>, <a href="rzaats.htm#x2004617">single-byte character set</a>.</dd>
|
|
<dt id="x2060518" class="bold">
|
|
<a name="x2060518"></a>multicast</dt>
|
|
<dd>Transmission of the same
|
|
data to a selected group of destinations. See also <a href="rzaatb.htm#x2015741">broadcast</a>, <a href="rzaatu.htm#x2068039">unicast</a>.</dd>
|
|
<dt id="x2030749" class="bold">
|
|
<a name="x2030749"></a>multicast address</dt>
|
|
<dd>(1) See <a href="rzaatg.htm#x2024019">group address</a>. See also <a href="rzaati.htm#x2025203">individual address</a>.</dd>
|
|
<dd>(2) A type of IP address that identifies a group of interfaces and
|
|
permits all of the systems that are in that group to receive the same packet
|
|
of information.</dd>
|
|
<dt id="x2030754" class="bold">
|
|
<a name="x2030754"></a>multifunction IOP (MFIOP)</dt>
|
|
<dd>A server
|
|
processor that as a unit contains more than one processor function such as
|
|
a diskette controller, a storage device controller, and a communications controller.
|
|
See also <a href="rzaatc.htm#x2017370">combined function IOP</a>.</dd>
|
|
<dt id="x2030759" class="bold">
|
|
<a name="x2030759"></a>multihomed host</dt>
|
|
<dd>In the Internet Protocol
|
|
(IP), a host that is connected to more than one network.</dd>
|
|
<dt id="x2030764" class="bold">
|
|
<a name="x2030764"></a>multihoming</dt>
|
|
<dd>For TCP/IP, the ability
|
|
to specify multiple interfaces per line description. The system can have multiple
|
|
hosts on the same network over the same communications line or multiple hosts
|
|
on different networks over the same communications line.</dd>
|
|
<dt id="x2030769" class="bold">
|
|
<a name="x2030769"></a>multileaving remote job entry (MRJE)</dt>
|
|
<dd>The fully synchronized, two-directional transmission of a variable number
|
|
of data streams between two computers using binary synchronous communications.</dd>
|
|
<dt id="x2030774" class="bold">
|
|
<a name="x2030774"></a>multilingual support</dt>
|
|
<dd>Support that
|
|
includes more than one national language on a system.</dd>
|
|
<dt id="x2030779" class="bold">
|
|
<a name="x2030779"></a>multimedia</dt>
|
|
<dd>Material presented in
|
|
a combination of text, graphics, video, animation, and sound.</dd>
|
|
<dt id="x2030784" class="bold">
|
|
<a name="x2030784"></a>multinational character set (MNCS)</dt>
|
|
<dd>A set of graphic characters that support the languages within a specific language
|
|
group. On i5/OS, character set 697 and code page 500 are implied when speaking
|
|
about the MNCS.</dd>
|
|
<dt id="x2030792" class="bold">
|
|
<a name="x2030792"></a>multiple axis chart</dt>
|
|
<dd>In the GDDM function, a
|
|
chart in which more than one horizontal or vertical axis, or both, are used.</dd>
|
|
<dt id="x2030797" class="bold">
|
|
<a name="x2030797"></a>multiple bar chart</dt>
|
|
<dd>In the GDDM function, a
|
|
form of bar chart in which the bars at a given horizontal axis value are placed
|
|
side by side. See also <a href="rzaatc.htm#x2017876">composite bar chart</a>, <a href="rzaatf.htm#x2023155">floating bar chart</a>.</dd>
|
|
<dt id="x2030802" class="bold">
|
|
<a name="x2030802"></a>multiple chart</dt>
|
|
<dd>In the GDDM function, two
|
|
or more charts appearing together on the work station or page. Multiple charts
|
|
can be of the same type or different types and can be constructed from one
|
|
or more sets of data.</dd>
|
|
<dt id="x2030807" class="bold">
|
|
<a name="x2030807"></a>multiple-choice selection field</dt>
|
|
<dd>A field that contains a fixed number of choices arranged in a list in which
|
|
one or more selections can be made.</dd>
|
|
<dt id="x2030812" class="bold">
|
|
<a name="x2030812"></a>multiple-choice selection list</dt>
|
|
<dd>A
|
|
field that contains a potentially scrollable list of choices in which one
|
|
or more selections can be made.</dd>
|
|
<dt id="x2030817" class="bold">
|
|
<a name="x2030817"></a>multiple device file (MDF)</dt>
|
|
<dd>(1) A device
|
|
file in which the maximum number of program devices is greater than one.</dd>
|
|
<dd>(2) In RPG, any work station (WORKSTN) file with one of the keywords ID,
|
|
IND, NUM, or SAVDS. Such a file can access more than one device, and devices
|
|
of various types.</dd>
|
|
<dt id="x2030830" class="bold">
|
|
<a name="x2030830"></a>multiple-line entry field</dt>
|
|
<dd>In VisualAge RPG, an entry field that allows the user to enter multiple
|
|
lines of text.</dd>
|
|
<dt id="x2030835" class="bold">
|
|
<a name="x2030835"></a>multiple occurrence data structure</dt>
|
|
<dd>In RPG, a data structure that appears more than once in a program.</dd>
|
|
<dt id="x2030845" class="bold">
|
|
<a name="x2030845"></a>multiple port sharing (MPS)</dt>
|
|
<dd>An arrangement
|
|
for short-hold mode operation in which both the first call and a reconnection
|
|
call (recall) for a population of DTEs are directed to any available port
|
|
within a port group.</dd>
|
|
<dt id="x2030850" class="bold">
|
|
<a name="x2030850"></a>multiple-selection field</dt>
|
|
<dd>In iSeries Access, a
|
|
list from which a user can choose one or more items.</dd>
|
|
<dt id="x2030855" class="bold">
|
|
<a name="x2030855"></a>multiple up</dt>
|
|
<dd>The printing of more
|
|
than one page on a single surface of a sheet of paper.</dd>
|
|
<dt id="x2088196" class="bold">
|
|
<a name="x2088196"></a>multiplexed device</dt>
|
|
<dd>A device that
|
|
takes several input signals and combines them into a single output signal
|
|
so that each of the input signals can be recovered.</dd>
|
|
<dt id="x2030864" class="bold">
|
|
<a name="x2030864"></a>multiplexer</dt>
|
|
<dd>See <a href="rzaatm.htm#x2088196">multiplexed device</a>.</dd>
|
|
<dt id="x2030869" class="bold">
|
|
<a name="x2030869"></a>multiplexing</dt>
|
|
<dd>In OSI, the technique
|
|
of using a single network connection by multiple Transport Layer connections
|
|
so that multiple associations can share the same line. Multiplexing is available
|
|
only for transport classes 2 and 4.</dd>
|
|
<dt id="x2030874" class="bold">
|
|
<a name="x2030874"></a>multipoint</dt>
|
|
<dd>In data communications,
|
|
pertaining to a network that allows two or more stations to communicate with
|
|
a single system on one line.</dd>
|
|
<dt id="x2030879" class="bold">
|
|
<a name="x2030879"></a>multipoint line</dt>
|
|
<dd>A line or circuit
|
|
connecting several stations. See also <a href="rzaatp.htm#x2033969">point-to-point
|
|
line</a>.</dd>
|
|
<dt id="x2030884" class="bold">
|
|
<a name="x2030884"></a>multiprocess installation</dt>
|
|
<dd>The process
|
|
of installing two or more licensed programs at the same time.</dd>
|
|
<dt id="x2030889" class="bold">
|
|
<a name="x2030889"></a>multiprocessor</dt>
|
|
<dd>A computer including
|
|
two or more processors that have common access to a main storage.</dd>
|
|
<dt id="x2030894" class="bold">
|
|
<a name="x2030894"></a>multiprotocol transport networking (MPTN)</dt>
|
|
<dd>A networking architecture that allows application programs using common
|
|
upper-layer protocols and expecting the same transport services to communicate
|
|
over transport networks that may use protocols different from the transport
|
|
network the programs were designed to use. For example, socket application
|
|
programs that were originally designed to communicate over a TCP/IP transport
|
|
network can, using MPTN support, communicate over an SNA transport network.</dd>
|
|
<dt id="x2030899" class="bold">
|
|
<a name="x2030899"></a>Multipurpose Internet Mail Extensions (MIME)</dt>
|
|
<dd>An Internet standard that allows different forms of data including
|
|
video, audio, or binary data to be attached to e-mail without requiring translation
|
|
into ASCII text.</dd>
|
|
<dt id="x2030904" class="bold">
|
|
<a name="x2030904"></a>multistation access unit (MAU)</dt>
|
|
<dd>In
|
|
the IBM Token-Ring Network, a wiring concentrator that can connect up to
|
|
eight lobes to a ring.</dd>
|
|
<dt id="x2003200" class="bold">
|
|
<a name="x2003200"></a>multitasking</dt>
|
|
<dd>A mode of operation
|
|
that provides for concurrent performance or interleaved execution of two or
|
|
more tasks.</dd>
|
|
<dt id="x2030909" class="bold">
|
|
<a name="x2030909"></a>multithread</dt>
|
|
<dd>A process that has multiple
|
|
active threads.</dd>
|
|
<dt id="x2045817" class="bold">
|
|
<a name="x2045817"></a>multithread capable</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030909">multithread</a>.</dd>
|
|
<dt id="x2030914" class="bold">
|
|
<a name="x2030914"></a>multithreaded</dt>
|
|
<dd>In Java™,
|
|
pertaining to the description of a program that is designed to have parts
|
|
of its code run concurrently.</dd>
|
|
<dt id="x2030919" class="bold">
|
|
<a name="x2030919"></a>multithreading</dt>
|
|
<dd>A general purpose
|
|
programming technique that reduces the complexity and overhead of concurrent
|
|
programming. It is a required component to accommodate Java and Lotus® Domino® Server.</dd>
|
|
<dt id="x2030924" class="bold">
|
|
<a name="x2030924"></a>multithread test</dt>
|
|
<dd>In CICS, this type
|
|
of test involves several concurrently active transactions. Whether the new
|
|
function can coexist with other related functions is tested. See also <a href="rzaats.htm#x2039041">single-thread test</a>.</dd>
|
|
<dt id="x2030929" class="bold">
|
|
<a name="x2030929"></a>multivolume file</dt>
|
|
<dd>A file that occupies
|
|
more than one diskette or tape.</dd>
|
|
<dt id="x2030934" class="bold">
|
|
<a name="x2030934"></a>mutex</dt>
|
|
<dd>See <a href="rzaatm.htm#x2030945">mutual exclusion</a>.</dd>
|
|
<dt id="x2030945" class="bold">
|
|
<a name="x2030945"></a>mutual exclusion (mutex)</dt>
|
|
<dd>(1) An abstraction
|
|
that allows two or more threads to cooperate in a mutual exclusion protocol
|
|
that allows safe access to shared resources.</dd>
|
|
<dd>(2) A synchronization
|
|
function that is used to allow multiple jobs or processes to serialize their
|
|
access to shared data.</dd>
|
|
<dt id="x2030949" class="bold">
|
|
<a name="x2030949"></a>mutual exclusion lock</dt>
|
|
<dd>In software,
|
|
a method for preventing two separately running pieces of code from interfering
|
|
with each other's use of a particular data object. For example, if one thread
|
|
is running a function that modifies a shared data structure, the application
|
|
may need to prevent other threads from simultaneously attempting to read the
|
|
data before the changes are complete.</dd>
|
|
<dt id="x2030958" class="bold">
|
|
<a name="x2030958"></a>MX record</dt>
|
|
<dd>See <a href="rzaatm.htm#x2029555">mail exchange record</a>.</dd></dl>
|
|
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