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<h2 id="i">I</h2>
<p>Return to <a href="as4glos.htm#as4glos">Glossary</a>.</p>
<dl>
<dt id="x2391841" class="bold">
<a name="x2391841"></a>i5/OS&trade;</dt>
<dd>Pertaining to the IBM&reg; licensed program
that can be used as the operating system for iSeries&trade; servers as of Version 5 Release 3.
See also <a href="rzaati.htm#x2230806">iSeries server</a>, <a href="rzaati.htm#x2391846">i5 server</a>.</dd>
<dt id="x2210473" class="bold">
<a name="x2210473"></a>i5/OS user profile</dt>
<dd>A user profile
that is used to sign on to i5/OS. i5/OS user profiles are created with the CRTUSRPRF
(Create User Profile) CL command.</dd>
<dt id="x2391846" class="bold">
<a name="x2391846"></a>i5 server</dt>
<dd>The most current generation
of the iSeries family of general purpose systems that supports the i5/OS, Operating System/400&reg;, AIX&reg;, and Linux&reg; operating systems and that provides application
portability across all models. See also <a href="rzaato.htm#x2244302">Operating System/400</a>, <a href="rzaati.htm#x2391841">i5/OS</a>.</dd>
<dt id="x2024736" class="bold">
<a name="x2024736"></a>IAB</dt>
<dd>See <a href="rzaati.htm#x2025927">Internet
Architecture Board</a>.</dd>
<dt id="x2024744" class="bold">
<a name="x2024744"></a>IAR</dt>
<dd>See <a href="rzaati.htm#x2025549">instruction
address register</a>.</dd>
<dt id="x2024748" class="bold">
<a name="x2024748"></a>I-beam pointer</dt>
<dd>A pointer that indicates
that the pointer is over an area that can be edited, for example, an entry
field.</dd>
<dt id="x2445810" class="bold">
<a name="x2445810"></a>IBG</dt>
<dd>See <a href="rzaati.htm#x2025697">interblock
gap</a>.</dd>
<dt id="x2024753" class="bold">
<a name="x2024753"></a>IBM eNetwork Software (eNetwork)</dt>
<dd>A family of IBM products that provide the communication software infrastructure for
global network computing, thereby enabling e-business.</dd>
<dt id="x2024758" class="bold">
<a name="x2024758"></a>IBM PC double-byte encoding scheme</dt>
<dd>The graphic characters have the following range: The first byte is in
the range 81 to FC. The second byte is in the range 40 to 7E and 80 to FC.
No other 16-bit patterns are valid as graphic characters. The space character
is always assigned to code point 8140.</dd>
<dt id="x2024763" class="bold">
<a name="x2024763"></a>IBM PC single-byte encoding scheme</dt>
<dd>An extension of the ISO 646 version 7-bit structure to an 8-bit structure.
The IBM PC single-byte structure has a valid code point range for 00 to FF.
The graphic characters have the following range: The first byte is in the
range 81 to FC. The second byte is in the range X'40' to X'7E' and X'80' to
X'FC'. No other 16-bit patterns are valid as graphic characters.</dd>
<dt id="x2243801" class="bold">
<a name="x2243801"></a>IBM TotalStorage&reg; Enterprise Storage Server&reg; (ESS)</dt>
<dd>A member of the Seascape&reg; product family of storage servers
and attached storage devices (disk drive modules). The ESS provides for high-performance,
fault-tolerant storage and management of enterprise data, providing access
through multiple concurrent operating systems and communication protocols.
High performance is provided by multiple symmetrical multiprocessors, integrated
caching, RAID support for the disk drive modules, and disk access through
a high-speed serial storage architecture (SSA) interface.</dd>
<dt id="x2024768" class="bold">
<a name="x2024768"></a>ICE</dt>
<dd>See <a href="rzaati.htm#x2026052">interval
control element</a>.</dd>
<dt id="x2009141" class="bold">
<a name="x2009141"></a>ICF</dt>
<dd>See <a href="rzaati.htm#x2026037">intersystem
communications function</a>.</dd>
<dt id="x2024774" class="bold">
<a name="x2024774"></a>ICF file</dt>
<dd>A device file that allows
a program on one system to communicate with a program on another system. There
can be one or more sessions with the same or different communications devices
at the same time.</dd>
<dt id="x2024779" class="bold">
<a name="x2024779"></a>ICMP</dt>
<dd>See <a href="rzaati.htm#x2025937">Internet
Control Message Protocol</a>.</dd>
<dt id="x2024783" class="bold">
<a name="x2024783"></a>ICMP code</dt>
<dd>A number that is used in
conjunction with an Internet Control Message Protocol (ICMP) type to provide
a more detailed description of the ICMP message.</dd>
<dt id="x2024788" class="bold">
<a name="x2024788"></a>ICMP service</dt>
<dd>A user-defined combination
of an Internet Control Message Protocol (ICMP) type and an ICMP code.</dd>
<dt id="x2024793" class="bold">
<a name="x2024793"></a>ICMP type</dt>
<dd>A number that describes
the information that is contained in the Internet Control Message Protocol
(ICMP) message.</dd>
<dt id="x2024798" class="bold">
<a name="x2024798"></a>icon</dt>
<dd>A graphical representation of
a choice or object for the user to select. An icon can represent something
a user wants to work with, such as a document, file, application, or user-created
object or list. An icon can also represent an action a user wants to do.</dd>
<dt id="x2024803" class="bold">
<a name="x2024803"></a>icons view</dt>
<dd>A standard contents view
in which each object contained in a list object is displayed as an icon.</dd>
<dt id="x2056415" class="bold">
<a name="x2056415"></a>ID</dt>
<dd>See <a href="rzaati.htm#x2024831">identifier</a>.</dd>
<dt id="x2024812" class="bold">
<a name="x2024812"></a>IDDU</dt>
<dd>See <a href="rzaati.htm#x2025652">interactive
data definition utility</a>.</dd>
<dt id="x2024821" class="bold">
<a name="x2024821"></a>Identification Division</dt>
<dd>One of the
four main parts of a COBOL program. In addition to identifying the source
program and the object program, this part may also describe the author's name,
the location where written, and the date written.</dd>
<dt id="x2024826" class="bold">
<a name="x2024826"></a>identified user</dt>
<dd>A concurrent user
(a user who is signed on to a program simultaneously with another user) of
the i5/OS licensed program who is known and reported on by the license management
function of i5/OS.</dd>
<dt id="x2024831" class="bold">
<a name="x2024831"></a>identifier (ID)</dt>
<dd>(1) A sequence of bits
or characters that identifies a user, program, device, or system to another
user, program, device, or system. See also <a href="rzaatd.htm#x2019537">data name</a>.</dd>
<dd>(2) In COBOL, a data name that is unique or is made unique by
the correct combination of qualifiers, subscripts, or indexes.</dd>
<dd>(3) In iSeries Access, an entry in an iSeries Access configuration file that defines
how a particular iSeries Access function operates.</dd>
<dd>(4) In the C
language, a sequence of letters, digits, and underscores used to identify
a data object or function.</dd>
<dt id="x2024851" class="bold">
<a name="x2024851"></a>ideographic</dt>
<dd>Pertaining to 2-byte
characters consisting of pictograms, symbolic characters, and other types
of symbols.</dd>
<dt id="x2024860" class="bold">
<a name="x2024860"></a>IDLC</dt>
<dd>See <a href="rzaati.htm#x2026280">ISDN
data link control</a>.</dd>
<dt id="x2024869" class="bold">
<a name="x2024869"></a>idle connection</dt>
<dd>A connection between
two systems where no data is transferred.</dd>
<dt id="x2024874" class="bold">
<a name="x2024874"></a>IDP</dt>
<dd>See <a href="rzaati.htm#x2025707">interchange
document profile</a>.</dd>
<dt id="x2024878" class="bold">
<a name="x2024878"></a>IDU</dt>
<dd>See <a href="rzaati.htm#x2025739">interface
data unit</a>.</dd>
<dt id="x2024882" class="bold">
<a name="x2024882"></a>IEEE</dt>
<dd>See <a href="rzaati.htm#x2056697">Institute
of Electrical and Electronics Engineers</a>.</dd>
<dt id="x2394703" class="bold">
<a name="x2394703"></a>IETF</dt>
<dd>See <a href="rzaati.htm#x2025942">Internet
Engineering Task Force</a>.</dd>
<dt id="x2056465" class="bold">
<a name="x2056465"></a>I frame</dt>
<dd>See <a href="rzaati.htm#x2025262">information frame</a>.</dd>
<dt id="x2024891" class="bold">
<a name="x2024891"></a>IGC</dt>
<dd>Abbreviation used in commands
and keywords to represent double-byte character set functions.</dd>
<dt id="x2024896" class="bold">
<a name="x2024896"></a>IGP</dt>
<dd>See <a href="rzaati.htm#x2025787">Interior
Gateway Protocol</a>.</dd>
<dt id="x2024900" class="bold">
<a name="x2024900"></a>IGS</dt>
<dd>See <a href="rzaati.htm#x2025717">interchange
group separator</a>.</dd>
<dt id="x2024904" class="bold">
<a name="x2024904"></a>IKE</dt>
<dd>See <a href="rzaati.htm#x2025952">Internet
Key Exchange</a>.</dd>
<dt id="x2024908" class="bold">
<a name="x2024908"></a>ILAN</dt>
<dd>See <a href="rzaati.htm#x2025849">internal
local area network</a>.</dd>
<dt id="x2024912" class="bold">
<a name="x2024912"></a>ILE</dt>
<dd>See <a href="rzaati.htm#x2025580">Integrated Language Environment&reg;</a>.</dd>
<dt id="x2024916" class="bold">
<a name="x2024916"></a>ILE C</dt>
<dd>See <a href="rzaati.htm#x2025570">Integrated Language Environment C</a>.</dd>
<dt id="x2024920" class="bold">
<a name="x2024920"></a>ILE COBOL</dt>
<dd>See <a href="rzaati.htm#x2025575">Integrated Language Environment COBOL</a>.</dd>
<dt id="x2024924" class="bold">
<a name="x2024924"></a>ILE RPG</dt>
<dd>See <a href="rzaati.htm#x2025585">Integrated Language Environment RPG</a>.</dd>
<dt id="x2009161" class="bold">
<a name="x2009161"></a>ILU</dt>
<dd>See <a href="rzaati.htm#x2002401">independent
logical unit</a>.</dd>
<dt id="x2025061" class="bold">
<a name="x2025061"></a>IM1</dt>
<dd>A data tower of an Intelligent Printer Data
Stream&trade; (IPDS&trade;) construct that represents image data.</dd>
<dt id="x2024928" class="bold">
<a name="x2024928"></a>image</dt>
<dd>An electronic representation
of an original document or picture produced by a scanning device or created
from software.</dd>
<dt id="x2024933" class="bold">
<a name="x2024933"></a>image area</dt>
<dd>In AFP&trade; Utilities, an
area on the display where the image of an AFP resource is displayed when a user designs
the resource.</dd>
<dt id="x2210217" class="bold">
<a name="x2210217"></a>image catalog</dt>
<dd>An object on the server
that contains image catalog entries. Each catalog is associated with one user-specified
integrated file system directory. The system-recognized identifier for the
object type is *IMGCLG. Image catalogs can have the following statuses: ready,
not ready.</dd>
<dt id="x2210232" class="bold">
<a name="x2210232"></a>image catalog entry</dt>
<dd>A position (index)
within an image catalog that contains information about an optical image file
(byte-stream file) that is located in the image catalog directory. Examples
of image catalog entry information include optical image file name, volume
identifier, index position in the catalog, and a text description of the image.
Image catalog entries can have the following statuses: (1) loaded, (2) mounted,
(3) unloaded.</dd>
<dt id="x2024938" class="bold">
<a name="x2024938"></a>image data stream</dt>
<dd>An Advanced Function Printing&trade; data stream that represents image data.</dd>
<dt id="x2024943" class="bold">
<a name="x2024943"></a>Image Object Content Architecture (IOCA)</dt>
<dd>A defined data stream used to store raster image data. The images in
a Mixed Object:Document Content Architecture document are stored using IOCA.</dd>
<dt id="x2024948" class="bold">
<a name="x2024948"></a>image part</dt>
<dd>A part that displays a
picture on a window. The picture is displayed by retrieving the contents of
a picture file, such as a bit map.</dd>
<dt id="x2024953" class="bold">
<a name="x2024953"></a>image symbol set (ISS)</dt>
<dd>In the GDDM&reg; function, a graphics symbol set in which each character is treated as
a small image and is described by a rectangular array of display points. Characters
in an image symbol set are always drawn in a fixed size. See also <a href="rzaatv.htm#x2043064">vector symbol set</a>.</dd>
<dt id="x2024958" class="bold">
<a name="x2024958"></a>imaginary line</dt>
<dd>In the GDDM function, a
construction line used to build a fillet. The beginning and ending points
of imaginary lines are defined, but the lines themselves do not appear as
part of the picture.</dd>
<dt id="x2024967" class="bold">
<a name="x2024967"></a>imbedded blank</dt>
<dd>See <a href="rzaate.htm#x2026691">embedded blank</a>.</dd>
<dt id="x2024971" class="bold">
<a name="x2024971"></a>immediate maintenance</dt>
<dd>A method of
maintaining keyed access paths for database files. This method updates the
access path whenever changes are made to the database file associated with
the access path. See also <a href="rzaatd.htm#x2020063">delayed maintenance</a>, <a href="rzaatr.htm#x2035950">rebuild maintenance</a>.</dd>
<dt id="x2024976" class="bold">
<a name="x2024976"></a>immediate message</dt>
<dd>A message that
is created when it is sent. See also <a href="rzaatp.htm#x2034267">predefined message</a>.</dd>
<dt id="x2024981" class="bold">
<a name="x2024981"></a>imperative statement</dt>
<dd>In COBOL, a
statement that either begins with an imperative verb and specifies an unconditional
action to be taken or is a conditional statement that is delimited by its
explicit scope terminator (delimited scope statement). An imperative statement
can consist of a sequence of imperative statements.</dd>
<dt id="x2024986" class="bold">
<a name="x2024986"></a>IMPI</dt>
<dd>See <a href="rzaati.htm#x2025854">internal
microprogram instruction</a>.</dd>
<dt id="x2024990" class="bold">
<a name="x2024990"></a>implement</dt>
<dd>A Java&trade; programming
language keyword that is optionally included in the class declaration to specify
any interfaces that are used by the current class.</dd>
<dt id="x2024995" class="bold">
<a name="x2024995"></a>implementation</dt>
<dd>The specification
of what instance variables implement an object's state, and what procedures
implement its methods.</dd>
<dt id="x2025000" class="bold">
<a name="x2025000"></a>implementer name</dt>
<dd>In COBOL, an IBM-defined
name that includes assignment names, computer names, function names, and language
names.</dd>
<dt id="x2025005" class="bold">
<a name="x2025005"></a>implicit</dt>
<dd>Capable of being understood
from something else, though unexpressed.</dd>
<dt id="x2025015" class="bold">
<a name="x2025015"></a>implicit connection</dt>
<dd>A connection
that is made to a database without a user ID or password.</dd>
<dt id="x2025020" class="bold">
<a name="x2025020"></a>implicit disconnection</dt>
<dd>In DB2&reg; UDB for iSeries, the ending of the conversation between an application requester and
an application server.</dd>
<dt id="x2025025" class="bold">
<a name="x2025025"></a>implicit scope terminator</dt>
<dd>In COBOL,
a separator period that ends the scope of any preceding unterminated statement,
or a phrase of a statement that by its occurrence indicates the end of the
scope of any statement contained within the preceding phrase.</dd>
<dt id="x2025030" class="bold">
<a name="x2025030"></a>implied semicolon</dt>
<dd>In REXX, an assumed
semicolon at the end of each line.</dd>
<dt id="x2002346" class="bold">
<a name="x2002346"></a>import</dt>
<dd>(1) In ILE binder language, a
reference to an external symbol defined in another module or program. See
also <a href="rzaate.htm#x2001853">export</a>.</dd>
<dd>(2) In VisualAge&reg; RPG, a
function that allows an application to use data that was created by another
application. It usually involves some file conversion.</dd>
<dd>(3) In the
Application Development Manager feature of the Application Development ToolSet
licensed program, to copy objects and source members from a library to the
Application Development Manager environment.</dd>
<dt id="x2243706" class="bold">
<a name="x2243706"></a>impulsive noise</dt>
<dd>Noise produced without
cause.</dd>
<dt id="x2025066" class="bold">
<a name="x2025066"></a>inaccessible</dt>
<dd>Pertaining to an object
for which the client does not possess a valid designator or handle.</dd>
<dt id="x2025076" class="bold">
<a name="x2025076"></a>inactive connection</dt>
<dd>A broken connection
between two systems where no data can be transferred.</dd>
<dt id="x2025081" class="bold">
<a name="x2025081"></a>inactive record</dt>
<dd>An inactive subfile
record or any record format that is not currently shown on a display. See
also <a href="rzaata.htm#x2013047">active record</a>.</dd>
<dt id="x2025086" class="bold">
<a name="x2025086"></a>inactive subfile record</dt>
<dd>A subfile
record that either was not added to a subfile by a write operation or was
described as inactive by the data description specification (DDS) keywords
SFLINZ and SFLRNA. See also <a href="rzaata.htm#x2013062">active subfile record</a>.</dd>
<dt id="x2025091" class="bold">
<a name="x2025091"></a>inbound DTE attribute</dt>
<dd>In OSI, an
attribute specified by the local node to regulate inbound connection requests
from an adjacent node to the local node over an X.25 subnetwork. The inbound
DTE attributes are accept calls and reverse charging.</dd>
<dt id="x2085512" class="bold">
<a name="x2085512"></a>inches per second (ips)</dt>
<dd>A measure
of tape drive speed and performance.</dd>
<dt id="x2449101" class="bold">
<a name="x2449101"></a>include file</dt>
<dd>A text file that contains
declarations that are used by a group of functions, programs, or users.</dd>
<dt id="x2025101" class="bold">
<a name="x2025101"></a>include statement</dt>
<dd>A computer language
preprocessor statement that directs the processor to retrieve a specific file
that contains instructions and data the program may need.</dd>
<dt id="x2025109" class="bold">
<a name="x2025109"></a>incremental backup</dt>
<dd>The process of
backing up files or directories, or copying pages in the database, that are
new or changed since the last full or incremental backup. See also <a href="rzaatc.htm#x2018929">cumulative backup</a>.</dd>
<dt id="x2025114" class="bold">
<a name="x2025114"></a>incremental save operation</dt>
<dd>In Backup
Recovery and Media Services, a backup operation that includes only those objects
in a control group that have been changed since the last backup operation
or archive operation.</dd>
<dt id="x2025123" class="bold">
<a name="x2025123"></a>independent data item</dt>
<dd>In COBOL, a
data item in the Working-Storage Section that has no relationship to other
data items.</dd>
<dt id="x2211105" class="bold">
<a name="x2211105"></a>independent disk pool</dt>
<dd>One or more
storage units that are defined from the disk units or disk-unit subsystems
that make up addressable disk storage. An independent disk pool contains objects,
the directories that contain the objects, and other object attributes such
as authorization ownership attributes.</dd>
<dt id="x2002401" class="bold">
<a name="x2002401"></a>independent logical unit (ILU)</dt>
<dd>A
unique connection to an application program that is able to activate an LU-to-LU
session without assistance from a system services control point (SSCP). An
independent logical unit can be used as either a primary logical unit (PLU)
or a secondary logical unit (SLU), and can have one or more active LU-toLU
sessions at a time. Currently, only an LU 6.2 can be an independent LU. See
also <a href="rzaatd.htm#x2001482">dependent logical unit</a>.</dd>
<dt id="x2025136" class="bold">
<a name="x2025136"></a>independent workstation</dt>
<dd>See <a href="rzaatp.htm#x2035058">programmable workstation</a>.</dd>
<dt id="x2002406" class="bold">
<a name="x2002406"></a>index</dt>
<dd>(1) A relative number (1-64) of
an image catalog entry within an image catalog.</dd>
<dd>(2) A computer storage
position or register, the contents of which identify a particular element
in a table.</dd>
<dd>(3) A set of pointers that are logically ordered by the
values of a key. Indexes provide quick access to data and can enforce uniqueness
on the rows in the table. When you request an index, the database manager
builds the structure and maintains it automatically. The index is used by
the database manager to improve performance and ensure uniqueness.</dd>
<dd>(4) In VisualAge RPG, the identifier of an entry in a part, such
as a list box or a combination box.</dd>
<dt id="x2025149" class="bold">
<a name="x2025149"></a>index data item</dt>
<dd>In COBOL, a data
item in which the contents of an index can be stored without conversion to
subscript form.</dd>
<dt id="x2025154" class="bold">
<a name="x2025154"></a>indexed data name</dt>
<dd>In COBOL, a data
name identifier that is subscripted with one or more index names.</dd>
<dt id="x2025159" class="bold">
<a name="x2025159"></a>indexed organization</dt>
<dd>In COBOL, the
file structure that identifies each record by the value of one or more keys
within that record.</dd>
<dt id="x2002416" class="bold">
<a name="x2002416"></a>index key</dt>
<dd>The set of columns in a
table that are used to determine the order of index entries.</dd>
<dt id="x2025164" class="bold">
<a name="x2025164"></a>index name</dt>
<dd>In COBOL, a user-defined
word that names an index.</dd>
<dt id="x2025169" class="bold">
<a name="x2025169"></a>index queue</dt>
<dd>A list of requests to
either add or remove a document to or from text search services.</dd>
<dt id="x2025174" class="bold">
<a name="x2025174"></a>index search</dt>
<dd>A searchable part of
the online information. Using index search, application programmers can create
and write their own index search topics for their applications. The system-recognized
identifier for the object type is *SCHIDX.</dd>
<dt id="x2025179" class="bold">
<a name="x2025179"></a>indication</dt>
<dd>In OSI, a service primitive
issued by a service provider to call a procedure by a service user.</dd>
<dt id="x2025184" class="bold">
<a name="x2025184"></a>indicator</dt>
<dd>(1) A 1-character or 2-character
code that is used by a program to test a field or record or to tell when certain
operations are to be performed.</dd>
<dd>(2) In the RPG licensed program, a
2-character code that is used as a logical variable or statement label.</dd>
<dd>(3) An internal switch used by a program to remember when a certain event
occurs and what to do when that event occurs.</dd>
<dt id="x2002446" class="bold">
<a name="x2002446"></a>indicator variable</dt>
<dd>A variable used
to represent the null value in an application program. If the value for the
selected column is null, a negative value is placed in the indicator variable.</dd>
<dt id="x2025198" class="bold">
<a name="x2025198"></a>indirect destination</dt>
<dd>In CICS&reg;, a type of
transient data destination that points to another destination within the destination
control table, rather than directly to a queue. Indirect destinations allow
you to refer to a single real destination by more than one name.</dd>
<dt id="x2025203" class="bold">
<a name="x2025203"></a>individual address</dt>
<dd>In communications,
an address associated with a particular station on the network. See also <a href="rzaatg.htm#x2024019">group address</a>.</dd>
<dt id="x2044906" class="bold">
<a name="x2044906"></a>INFDS</dt>
<dd>See <a href="rzaatf.htm#x2022810">file information data structure</a>.</dd>
<dt id="x2025222" class="bold">
<a name="x2025222"></a>infinity</dt>
<dd>A name referring to an indefinitely
great number.</dd>
<dt id="x2025227" class="bold">
<a name="x2025227"></a>informational event</dt>
<dd>In OSI, an event
that is a part of normal operation but that may be of interest to an observer.
Information events are logged but do not generate a message to the operator.</dd>
<dt id="x2025232" class="bold">
<a name="x2025232"></a>informational message</dt>
<dd>A message that
provides information about the system and is not the result of an error condition.
This message does not require a response.</dd>
<dt id="x2025237" class="bold">
<a name="x2025237"></a>information area</dt>
<dd>A part of a window
in which information about the object or choice that the cursor is on is displayed.
The information area can also contain a message about the normal completion
of a process.</dd>
<dt id="x2025242" class="bold">
<a name="x2025242"></a>Information Assistant</dt>
<dd>A function
of the i5/OS operating system that allows users to access information about
the server. It provides options to start the online education function and
the question-and-answer (Q &amp; A) database and also to set a function key
to run IBMLINK.</dd>
<dt id="x2025247" class="bold">
<a name="x2025247"></a>information category</dt>
<dd>IBM-defined
grouping of online books into a bookshelf. The books in the bookshelf can
be accessed using the InfoSeeker function on the server or by workstations
using the IBM Library Reader&trade; licensed program or the BookManager&reg; licensed
program.</dd>
<dt id="x2025252" class="bold">
<a name="x2025252"></a>information display</dt>
<dd>A display that
presents information to a user, such as the status of the system, but that
rarely requests a response.</dd>
<dt id="x2025257" class="bold">
<a name="x2025257"></a>information element</dt>
<dd>In ISDN, the
messages that are exchanged over the D-channel between the system and ISDN.
For example, when a call is set up, a message is sent to the network containing
several information elements, one of which is the number of the remote system.
Other information elements may be present.</dd>
<dt id="x2025262" class="bold">
<a name="x2025262"></a>information frame (I frame)</dt>
<dd>In communications,
a transmission frame that is sequentially numbered and used to transmit data.</dd>
<dt id="x2025267" class="bold">
<a name="x2025267"></a>Information Presentation Facility (IPF)</dt>
<dd>A tool used to create online help on a programmable workstation. This
tool is used by the application programmer and the information author.</dd>
<dt id="x2025272" class="bold">
<a name="x2025272"></a>Information Presentation Facility file (IPF file)</dt>
<dd>The source file in which the application help is stored.</dd>
<dt id="x2025277" class="bold">
<a name="x2025277"></a>information system</dt>
<dd>A system that
consists of people, machines, voice communications, data communications, and
methods organized to accomplish specified operations on data that represent
information. Information systems support the running of the customer's business,
but do not necessarily make up the customer's business.</dd>
<dt id="x2002481" class="bold">
<a name="x2002481"></a>inheritance</dt>
<dd>An object-oriented programming
technique that allows the use of existing classes as a basis for creating
other classes.</dd>
<dt id="x2025293" class="bold">
<a name="x2025293"></a>initial chaining value</dt>
<dd>In Cryptographic
Support, an 8-byte, pseudo-random number used to start a cipher block chaining
operation.</dd>
<dt id="x2025298" class="bold">
<a name="x2025298"></a>initialization file</dt>
<dd>An OSI Communications
Subsystem file that contains a set of commands that activate OSI Communications
Subsystem resources each time OSI Communications Subsystem is started.</dd>
<dt id="x2025303" class="bold">
<a name="x2025303"></a>initialization stall</dt>
<dd>In CICS, a wait that
occurs during initialization when a CICS system appears to be running normally
but is not actually progressing through the various stages of initialization.</dd>
<dt id="x2025308" class="bold">
<a name="x2025308"></a>initialize</dt>
<dd>To set the addresses,
switches, or the contents of storage to zero, or to the starting value set
by the manufacturer.</dd>
<dt id="x2025313" class="bold">
<a name="x2025313"></a>initial menu</dt>
<dd>The menu that is specified
in the user profile to be the first menu displayed after a user signs on.</dd>
<dt id="x2025318" class="bold">
<a name="x2025318"></a>initial program</dt>
<dd>(1) A user-profile program
that runs when the user signs on and after the command processor program QCMD
is started. QCMD calls the first program.</dd>
<dd>(2) In COBOL, a program
that is placed into an initial state every time the program is called in a
run unit.</dd>
<dt id="x2025326" class="bold">
<a name="x2025326"></a>initial program load (IPL)</dt>
<dd>The process
that loads the system programs from the system auxiliary storage, checks the
system hardware, and prepares the system for user operations.</dd>
<dt id="x2025331" class="bold">
<a name="x2025331"></a>initial state</dt>
<dd>In COBOL, the state
of a program when it is first called in a run unit.</dd>
<dt id="x2025336" class="bold">
<a name="x2025336"></a>initial thread</dt>
<dd>The thread that is
started automatically by the system when a job or process is started. Every
job has at least one thread. That thread is also referred to as the primary
thread. Threads other than the initial thread are referred to as secondary
threads. If the initial thread ends, it causes all secondary threads and the
job to end. See also <a href="rzaats.htm#x2037964">secondary thread</a>.</dd>
<dt id="x2025341" class="bold">
<a name="x2025341"></a>initiation queue</dt>
<dd>A local queue on
which the queue manager puts trigger messages.</dd>
<dt id="x2025346" class="bold">
<a name="x2025346"></a>initiator</dt>
<dd>(1) The role of a node using
the two-phase commit protocol when its local transaction program issues a
commit operation that begins the two-phase commit flows. It is the root node
of a transaction program network. See also <a href="rzaatr.htm#x2037016">responder</a>.</dd>
<dd>(2) In OSI Communications Subsystem, the application entity
that starts an application association.</dd>
<dd>(3) A key server that requests
a dynamic virtual private network (VPN) connection between two endpoints.</dd>
<dt id="x2025357" class="bold">
<a name="x2025357"></a>inline</dt>
<dd>Pertaining to spooled input
data that is read into a job by a reader.</dd>
<dt id="x2025362" class="bold">
<a name="x2025362"></a>inline data file</dt>
<dd>A file created by
a Data (//DATA) command that is included as part of a job when the job is
read from an input device or a database file. The file is deleted when the
job ends.</dd>
<dt id="x2025367" class="bold">
<a name="x2025367"></a>input field</dt>
<dd>(1) An area in a presentation
space into which the program accepts input. An identifiable area in a window,
such as an entry field where a user types text or a field of radio buttons
from which the user selects one choice in the field. An area, next to a menu
system prompt, in which the user enters a response to the prompt.</dd>
<dd>(2) A field specified in a display file or database file that is reserved for
information supplied by a user. See also <a href="rzaato.htm#x2032727">output field</a>.</dd>
<dt id="x2025372" class="bold">
<a name="x2025372"></a>input file</dt>
<dd>A file that has been opened
in order to allow records to be read.</dd>
<dt id="x2025380" class="bold">
<a name="x2025380"></a>input mode</dt>
<dd>In COBOL, the state of
a file after running an OPEN statement, with the INPUT phrase specified for
that file, and before running a CLOSE statement, without the REEL or UNIT
phrase specified for that file.</dd>
<dt id="x2025408" class="bold">
<a name="x2025408"></a>input/output (I/O)</dt>
<dd>Pertaining to
a device, process, channel, or communication path involved in data input,
data output, or both.</dd>
<dt id="x2025385" class="bold">
<a name="x2025385"></a>input/output adapter ( IOA I/O adapter)</dt>
<dd>(1) For devices, the electrical circuits on a logic card that connect one
device to another.</dd>
<dd>(2) A functional unit or a part of an I/O controller
that connects devices to an I/O processor.</dd>
<dt id="x2025393" class="bold">
<a name="x2025393"></a>input/output channel (I/O channel)</dt>
<dd>In a data processing system, a functional unit, controlled by the processing
unit, that transfers data between main storage and attached devices.</dd>
<dt id="x2025398" class="bold">
<a name="x2025398"></a>input/output controller (IOC I/O controller)</dt>
<dd>A functional unit that combines the I/O processor and one or
more I/O adapters, and directly connects and controls one or more input or
output devices.</dd>
<dt id="x2235519" class="bold">
<a name="x2235519"></a>input/output data</dt>
<dd>Data provided to
the computer or data resulting from computer processing.</dd>
<dt id="x2085776" class="bold">
<a name="x2085776"></a>input/output file</dt>
<dd>A file opened for
input and output use.</dd>
<dt id="x2025413" class="bold">
<a name="x2025413"></a>input/output processor (IOP I/O processor)</dt>
<dd>A processor dedicated to controlling channels or communication links.</dd>
<dt id="x2025418" class="bold">
<a name="x2025418"></a>input/output section</dt>
<dd>In COBOL, the
section of the Environment Division that names the files and external media
needed by an application program. It also provides information required for
sending and handling data when the program is run.</dd>
<dt id="x2025423" class="bold">
<a name="x2025423"></a>input/output statement</dt>
<dd>In COBOL,
a statement that causes files to be processed by performing operations on
individual records or on the file as a unit. The input-output statements are
ACCEPT, CLOSE, DELETE, DISPLAY, OPEN, READ, REWRITE, SET (with the TO ON or
TO OFF phrase), START, and WRITE.</dd>
<dt id="x2025428" class="bold">
<a name="x2025428"></a>input PIN-protection key</dt>
<dd>In Cryptographic
Support, a key-encrypting key that encrypts a personal identification number
(PIN) that is received from another location. While a PIN is being used on
the system, it remains encrypted under the input PIN-protection key.</dd>
<dt id="x2304224" class="bold">
<a name="x2304224"></a>input specification</dt>
<dd>The means by
which a programmer describes input records and their fields, adds RPG functions
to an externally described file, or defines a data structure and its subfields.</dd>
<dt id="x2025438" class="bold">
<a name="x2025438"></a>input stream</dt>
<dd>(1) In RJE, data sent to
the host system. See also <a href="rzaato.htm#x2032773">output stream</a>.</dd>
<dd>(2) A group of records submitted as a batch job that contains CL commands
for one or more jobs or data from one or more inline data files.</dd>
<dt id="x2025446" class="bold">
<a name="x2025446"></a>inquiry message</dt>
<dd>A message that gives
information and requests a reply.</dd>
<dt id="x2025451" class="bold">
<a name="x2025451"></a>inquiry mode</dt>
<dd>An operation during
which the current job running from a display station is interrupted so that
other work can be done. The operator presses the Attn key to put the display
station in inquiry mode.</dd>
<dt id="x2025456" class="bold">
<a name="x2025456"></a>inquiry program</dt>
<dd>(1) A program that allows
an operator to get information from a disk file.</dd>
<dd>(2) A program that
runs while the system is in inquiry mode.</dd>
<dt id="x2025464" class="bold">
<a name="x2025464"></a>insert mode</dt>
<dd>A keyboard operation
that puts new text within existing text at the cursor position.</dd>
<dt id="x2002511" class="bold">
<a name="x2002511"></a>insert rule</dt>
<dd>A condition enforced
by the database manager that must be met before a row can be inserted into
a table.</dd>
<dt id="x2002516" class="bold">
<a name="x2002516"></a>insert trigger</dt>
<dd>A trigger that is
activated upon the event of an insert operation on the base table.</dd>
<dt id="x2025469" class="bold">
<a name="x2025469"></a>installable object</dt>
<dd>An object that
contains a combination of the objects to be installed and list of the objects
to be installed, associated with the name of the target library, folder, or
path where they must be created when the installable object is installed.</dd>
<dt id="x2025474" class="bold">
<a name="x2025474"></a>installation device</dt>
<dd>A tape or optical
device [CD-ROM or a digital video disc (DVD)] that is used on a type D IPL
to load Licensed Internal Code (LIC) segments into main storage. The installation
device must be on the same input/output processor (IOP) as the load source.
This device can be used to load LIC code from the tape or optical device onto
the load source during restore or installation operations.</dd>
<dt id="x2025479" class="bold">
<a name="x2025479"></a>installation diskette</dt>
<dd>In iSeries Access, the
diskette or set of diskettes that are used to install iSeries Access.</dd>
<dt id="x2025484" class="bold">
<a name="x2025484"></a>installation IPL</dt>
<dd>The process of loading
code into main storage and preparing for system operation from an input/output
hardware unit other than the system's primary load-source disk unit. This
is also referred to as a type D IPL or D-mode IPL.</dd>
<dt id="x2025489" class="bold">
<a name="x2025489"></a>installation media</dt>
<dd>The media used
in the installation of software, usually CD/ROM, CD-R, or tape media provided
by IBM or another supplier for the purpose of distributing software to customers.
See also <a href="rzaatd.htm#x2020999">distribution media</a>.</dd>
<dt id="x2025494" class="bold">
<a name="x2025494"></a>installation profile</dt>
<dd>An object that
can be tailored and used to control the automatic installation of a system.</dd>
<dt id="x2025499" class="bold">
<a name="x2025499"></a>installation verification procedure (IVP)</dt>
<dd>A program or programs that are run at the end of installation of an IBM licensed
program, in order to verify that the program is working correctly.</dd>
<dt id="x2002531" class="bold">
<a name="x2002531"></a>instance</dt>
<dd>(1) An object in the category
that is represented by a class.</dd>
<dd>(2) In Java, an object of a particular class.
In Java programs, an instance of a class is created by using the new operator
followed by the class name.</dd>
<dt id="x2025510" class="bold">
<a name="x2025510"></a>instance ID</dt>
<dd>In query management,
an identifier in the communications area. An instance ID is used to identify
a particular query instance being used by an application program.</dd>
<dt id="x2025515" class="bold">
<a name="x2025515"></a>instance method</dt>
<dd>(1) In Java,
any method that is started with respect to an instance of a class.</dd>
<dd>(2) A method valid for an object instance. An instance method that an object
responds to is defined by the object's class or is inherited from an ancestor
class. See also <a href="rzaatc.htm#x2016865">class method</a>, <a href="rzaatf.htm#x2072397">factory method</a>.</dd>
<dt id="x2025523" class="bold">
<a name="x2025523"></a>instance parameter</dt>
<dd>A configuration
value or setting that is specified for a server instance.</dd>
<dt id="x2025533" class="bold">
<a name="x2025533"></a>instance variable</dt>
<dd>A variable declared
for use within the method procedures of a class.</dd>
<dt id="x2056697" class="bold">
<a name="x2056697"></a>Institute of Electrical and Electronics Engineers
(IEEE)</dt>
<dd>A professional society accredited by the American National
Standards Institute (ANSI) to issue standards for the electronics industry.</dd>
<dt id="x2025538" class="bold">
<a name="x2025538"></a>instruction</dt>
<dd>(1) In COBOL, one or more
clauses, the first of which starts with a keyword that identifies the instruction.
Instructions affect the flow of control, provide services to the programmer,
or both.</dd>
<dd>(2) A program statement that specifies an operation to be
performed by the computer, along with the values or locations of operands.
This statement represents the programmer's request to the processor to perform
a specific operation. [OSF]</dd>
<dd>(3) In REXX, one or more clauses that
describe some course of action to be taken by the language processor. Instructions
may be assignments, keyword instructions, or commands.</dd>
<dt id="x2025549" class="bold">
<a name="x2025549"></a>instruction address register (IAR)</dt>
<dd>A register in the processor that contains the address of the next instruction
to be processed.</dd>
<dt id="x2235627" class="bold">
<a name="x2235627"></a>insynch</dt>
<dd>In cross-site mirroring,
pertaining to the mirror copy data state that indicates that the production
and mirror copy have exactly the same contents.</dd>
<dt id="x2025554" class="bold">
<a name="x2025554"></a>integer</dt>
<dd>(1) A positive or negative whole
number, or zero.</dd>
<dd>(2) In COBOL, a numeric constant or a numeric data
item that does not include any digit position to the right of the assumed
decimal point.</dd>
<dd>(3) In DB2 UDB for iSeries, a data type indicating that the data
is a binary number with a precision of 31 bits.</dd>
<dt id="x2025565" class="bold">
<a name="x2025565"></a>integrated file system</dt>
<dd>A function
of i5/OS that supports stream input/output and storage management similar
to personal computer and UNIX&reg; operating systems, while providing an integrating
structure over all information stored in a server.</dd>
<dt id="x2025580" class="bold">
<a name="x2025580"></a>Integrated Language Environment (ILE)</dt>
<dd>A set of constructs and interfaces that provides a
common run-time environment and run-time bindable application program interfaces
(APIs) for all ILE-conforming high-level languages.</dd>
<dt id="x2025570" class="bold">
<a name="x2025570"></a>Integrated Language Environment C (ILE C)</dt>
<dd>An IBM licensed program that is the C programming
language available on the server. The ILE C licensed program uses the ILE
model.</dd>
<dt id="x2025575" class="bold">
<a name="x2025575"></a>Integrated Language Environment COBOL (ILE COBOL)</dt>
<dd>The IBM licensed program that is the COBOL programming
language available on the server, including system-specific functions.</dd>
<dt id="x2025585" class="bold">
<a name="x2025585"></a>Integrated Language Environment RPG (ILE RPG)</dt>
<dd>An IBM-licensed program that includes a set
of RPG compilers to be used for commercial and business applications on the iSeries system. The compilers include: System/36E RPG (RPG II), System/38&trade; RPG (RPG
III), RPG/400&reg; (RPG III), and ILE RPG (RPG IV).</dd>
<dt id="x2025599" class="bold">
<a name="x2025599"></a>integrated services</dt>
<dd>A quality-of-service
policy that uses the resource reservation setup protocol (RSVP) to provide
end-to-end traffic management. In integrated services, an application requests
resources from a network. The network handles the data by request.</dd>
<dt id="x2025604" class="bold">
<a name="x2025604"></a>Integrated Services Digital Network (ISDN)</dt>
<dd>An international communications standard for sending voice, video, and
data over digital telephone lines.</dd>
<dt id="x2025590" class="bold">
<a name="x2025590"></a>Integrated xSeries&reg; Server for iSeries</dt>
<dd>An adapter that has an Intel&reg; processor and PC memory on a system board. This
adapter also uses a local area network (LAN) adapter card. Integrated xSeries Server for iSeries (formerly called Integrated Netfinity&reg; Server)
shares disk storage, CD-ROM, and tape drives on iSeries and is designed to run Windows NT&reg; Server 4.0 or Windows&reg; 2000.</dd>
<dt id="x2025614" class="bold">
<a name="x2025614"></a>Integration for Windows Server</dt>
<dd>An IBM licensed program
that allows users to combine Microsoft&reg; Windows NT Server and i5/OS in a single
system footprint. Integration for Windows Server can help reduce the cost
and complexity of PC servers and better manage the delivery of personal productivity
applications.</dd>
<dt id="x2025619" class="bold">
<a name="x2025619"></a>integrity</dt>
<dd>In computer security, assurance
that the information that arrives at a destination is the same as the information
that was sent.</dd>
<dt id="x2025629" class="bold">
<a name="x2025629"></a>integrity protection</dt>
<dd>The set of controls
that prevents users from accessing or changing any objects on the system,
including user data, except by using the system-provided interfaces that enforce
authority rules.</dd>
<dt id="x2056725" class="bold">
<a name="x2056725"></a>intelligent agent</dt>
<dd>A Java-based software
component that is capable of learning certain behaviors over time through
complex autonomic algorithms. Intelligent agents can have many different capabilities,
from simply monitoring for certain events to more complex actions like analyzing
network problems, monitoring disk space, or managing storage.</dd>
<dt id="x2025634" class="bold">
<a name="x2025634"></a>intelligent peripheral interface (IPI)</dt>
<dd>A standard developed by ANSI that defines the electrical, data link
protocol, and functional interfaces.</dd>
<dt id="x2025639" class="bold">
<a name="x2025639"></a>Intelligent Printer Data
Stream (IPDS)</dt>
<dd>An all-points-addressable data stream that allows users
to position text, images, graphics, and bar codes at any defined point on
a printed page. IPDS is the strategic AFP printer data stream generated by PSF.</dd>
<dt id="x2391801" class="bold">
<a name="x2391801"></a>intelligent routing</dt>
<dd>The distribution
of output from the PDF subsystem in multiple ways based on values specified
in a mapping program and the Print Services Facility&trade; (PSF) configuration
object. The entire input spooled file or any segment of the input spooled
file is electronically mailed as a PDF file, stored as a PDF stream file in
the integrated file system, spooled as a PDF file, spooled as an Advanced Function Presentation&trade; (AFP) file, or any combination of those. See also <a href="rzaatm.htm#x2391806">mapping program</a>, <a href="rzaatp.htm#x2391811">PDF subsystem</a>.</dd>
<dt id="x2025647" class="bold">
<a name="x2025647"></a>interactive</dt>
<dd>Pertaining to the dialog-like
exchange of information between people and a computer. See also <a href="rzaatb.htm#x2015214">batch</a>.</dd>
<dt id="x2025652" class="bold">
<a name="x2025652"></a>interactive data definition utility (IDDU)</dt>
<dd>A function of the operating system that can be used to externally define
the characteristics of data and the contents of files.</dd>
<dt id="x2025657" class="bold">
<a name="x2025657"></a>interactive job</dt>
<dd>A job started for
a person who signs on to a work station. In the capacity planning tool, interactive
jobs cause interactive and non-interactive transactions. See also <a href="rzaatb.htm#x2015234">batch job</a>.</dd>
<dt id="x2025662" class="bold">
<a name="x2025662"></a>interactive mode</dt>
<dd>In query management,
the query mode associated with a query instance that allows users to interact
with the query commands while a procedure is running.</dd>
<dt id="x2025667" class="bold">
<a name="x2025667"></a>interactive processing</dt>
<dd>A processing
method in which each operator action causes a response from the program or
the system. See also <a href="rzaatb.htm#x2015244">batch processing</a>.</dd>
<dt id="x2025672" class="bold">
<a name="x2025672"></a>interactive source debugger (ISDB)</dt>
<dd>A function of the Application Development ToolSet licensed program that is
used for source-level debugging of programs on i5/OS.</dd>
<dt id="x2025677" class="bold">
<a name="x2025677"></a>Interactive SQL (ISQL)</dt>
<dd>A function
of the DB2 UDB Query Manager and SQL Development Kit licensed program that allows
SQL statements to run dynamically instead of in batch mode. Every interactive
SQL statement is read from the work station, prepared, and run dynamically.</dd>
<dt id="x2025682" class="bold">
<a name="x2025682"></a>interactive subsystem</dt>
<dd>A subsystem
in which interactive jobs are processed.</dd>
<dt id="x2025687" class="bold">
<a name="x2025687"></a>interactive terminal facility (ITF)</dt>
<dd>An asynchronous communications function that allows a server to communicate
with applications that can send and receive data, such as electronic mail,
memos, library members, and data files.</dd>
<dt id="x2207810" class="bold">
<a name="x2207810"></a>interactive transaction</dt>
<dd>The work
done by the system when the Enter key or a function key is pressed. See also <a href="rzaatn.htm#x2031613">noninteractive transaction</a>.</dd>
<dt id="x2025692" class="bold">
<a name="x2025692"></a>interactive user profile</dt>
<dd>An area
used by some IBM licensed programs to store information between successive calls of
those programs (such as the file and library last used, or the setup last
used).</dd>
<dt id="x2025697" class="bold">
<a name="x2025697"></a>interblock gap (IBG)</dt>
<dd>An area or space
on a data medium (tape or diskette) to indicate the end of a physical record
or block. The space between records on a storage medium.</dd>
<dt id="x2025702" class="bold">
<a name="x2025702"></a>intercept</dt>
<dd>In a GDDM chart, a method
of describing the position of one axis relative to another. For example, the
horizontal axis can be specified so that it intercepts (crosses) the vertical
axis at the bottom, middle, or top of the plotting area of a chart.</dd>
<dt id="x2025707" class="bold">
<a name="x2025707"></a>interchange document profile (IDP)</dt>
<dd>The Document Interchange Architecture object that contains information associated
with each document. For example, the interchange document profile can contain
authors, keywords, dates, and so on. The interchange document profile is one
of many model objects that DIA has defined to keep information about the document.
A profile consists of a set of subprofiles.</dd>
<dt id="x2025712" class="bold">
<a name="x2025712"></a>interchange format</dt>
<dd>A print descriptor
naming convention required to send a print descriptor from one system to another.</dd>
<dt id="x2025717" class="bold">
<a name="x2025717"></a>interchange group separator (IGS)</dt>
<dd>A character used to indicate that blanks were removed from a string of data
and are to be reinserted.</dd>
<dt id="x2025722" class="bold">
<a name="x2025722"></a>interface</dt>
<dd>(1) The hardware or software
that links differing systems, programs or devices.</dd>
<dd>(2) In Java,
a group of methods that can be implemented by several classes, regardless
of where the classes are in the class hierarchy.</dd>
<dt id="x2025739" class="bold">
<a name="x2025739"></a>interface data unit (IDU)</dt>
<dd>In OSI,
data contained in a buffer passed between layers.</dd>
<dt id="x2025764" class="bold">
<a name="x2025764"></a>interface name</dt>
<dd>A logical name for
an Ethernet or token-ring line that is created when TCP/IP is installed on
the server. Each name is unique and consists of 1 to 128 characters.</dd>
<dt id="x2085990" class="bold">
<a name="x2085990"></a>Interface Repository (IR)</dt>
<dd>A byte-stream
file that contains the data used to build the run-time objects.</dd>
<dt id="x2025774" class="bold">
<a name="x2025774"></a>interface specification</dt>
<dd>Internet
Protocol (IP) information that is used to transfer data in a network. Examples
of IP information include an address, network mask, line description, line
type, current status, maximum transmission unit, and type of service.</dd>
<dt id="x2025787" class="bold">
<a name="x2025787"></a>Interior Gateway Protocol (IGP)</dt>
<dd>An Internet protocol that is used by gateways in an autonomous system to transfer
routing information.</dd>
<dt id="x2025792" class="bold">
<a name="x2025792"></a>intermediate assistance level</dt>
<dd>The
type of displays that supports all system tasks and uses computer terminology.
Complicated tasks can be done using the intermediate assistance level.</dd>
<dt id="x2025797" class="bold">
<a name="x2025797"></a>intermediate block check</dt>
<dd>In BSC,
a check that verifies each record, rather than the contents of the total block,
when large blocks of data are received.</dd>
<dt id="x2025807" class="bold">
<a name="x2025807"></a>intermediate representation of a program</dt>
<dd>The result of the first translation phase of language compilers for
the extended program model. The intermediate representation of a program is
in the form of machine instruction source and is used as the input to the
compiler's final phase, the program resolution monitor.</dd>
<dt id="x2025812" class="bold">
<a name="x2025812"></a>intermediate routing function</dt>
<dd>A routing
function that allows a network location to receive session data from an adjacent
location and route it to the next location on the session path.</dd>
<dt id="x2025817" class="bold">
<a name="x2025817"></a>intermediate system</dt>
<dd>See <a href="rzaatr.htm#x2036511">relay open system</a>. See also <a href="rzaata.htm#x2013221">adjacent destination
node</a>.</dd>
<dt id="x2025822" class="bold">
<a name="x2025822"></a>intermediate system routing</dt>
<dd>In OSI,
the process of selecting the intermediate systems through which a CLNS connection
is to be routed. A set of quality-of-service values specifies the basis to
be used in routing the connection.</dd>
<dt id="x2025827" class="bold">
<a name="x2025827"></a>intermediate-text-block character (ITB character)</dt>
<dd>The BSC transmission control character used to divide a block
of text into smaller groups of text for an intermediate block check.</dd>
<dt id="x2025832" class="bold">
<a name="x2025832"></a>internal data</dt>
<dd>(1) Data that is recognized
only by the procedure or OPM program that defines it. Local data is deleted
when the procedure returns control to the calling program or procedure. See
also <a href="rzaate.htm#x2027492">external data</a>.</dd>
<dd>(2) In COBOL, the data
described in a program excluding all external data items and external file
connectors. Items described in the Linkage Section of a program are handled
as internal data.</dd>
<dt id="x2044938" class="bold">
<a name="x2044938"></a>internal decimal item</dt>
<dd>See <a href="rzaatp.htm#x2032897">packed decimal format</a>. See also <a href="rzaatz.htm#x2043488">zoned decimal format</a>.</dd>
<dt id="x2025844" class="bold">
<a name="x2025844"></a>internal file connector</dt>
<dd>In COBOL,
a file connector that is accessible to only one program in the run unit.</dd>
<dt id="x2025849" class="bold">
<a name="x2025849"></a>internal local area network (ILAN)</dt>
<dd>A local area network (LAN) that allows APPC and APPN communications between
operating systems running on the same system without requiring a physical
communications link. The connection takes place within the lower levels of
the software. Communications to other systems requires a physical link.</dd>
<dt id="x2025854" class="bold">
<a name="x2025854"></a>internal microprogram instruction (IMPI)</dt>
<dd>The complex instruction set computer (CISC) processor on which the licensed
programs run.</dd>
<dt id="x2025859" class="bold">
<a name="x2025859"></a>internal object</dt>
<dd>An object that the
system program uses to store the information needed to perform some system
functions. Internal objects cannot be displayed by a user. For example, you
cannot use a display command (like the Display Library [DSPLIB] command) to
display internal objects. See also <a href="rzaate.htm#x2027550">external object</a>.</dd>
<dt id="x2025864" class="bold">
<a name="x2025864"></a>internal routine</dt>
<dd>In REXX, a routine
that exists inside the user's program and is identified by a label.</dd>
<dt id="x2025869" class="bold">
<a name="x2025869"></a>internal space object</dt>
<dd>An index that
tracks the internal space objects that store message information. The internal
space object is an internal object that is automatically created in QUSRSYS
when the Start Mail Server Framework (STRMSF) command is used.</dd>
<dt id="x2025874" class="bold">
<a name="x2025874"></a>internal storage</dt>
<dd>All main and auxiliary
storage in the system.</dd>
<dt id="x2025879" class="bold">
<a name="x2025879"></a>internal system journal</dt>
<dd>A journal
that is used by IBM programs to manage and recover some system functions
such as system-managed access-path protection. Internal system journals cannot
be used explicitly by users.</dd>
<dt id="x2025884" class="bold">
<a name="x2025884"></a>internal trace</dt>
<dd>In CICS, an option
whereby trace entries are written to an internal control region table. The
table, which can be specified to wrap when full, is most appropriate if the
user does not need to capture a large number of trace entries.</dd>
<dt id="x2025889" class="bold">
<a name="x2025889"></a>internationalization</dt>
<dd>The process
of designing and developing a software product to function in multiple locales.
This process involves identifying the locales that must be supported, designing
features to support those locales, and writing code that functions equally
well in any of the supported locales. Internationalized applications store
their text in external resources and use locale-sensitive utilities for formatting
and collation.</dd>
<dt id="x2025894" class="bold">
<a name="x2025894"></a>internationalized</dt>
<dd>In national language
support, pertaining to a program that can operate in all language environments
without any change to the program.</dd>
<dt id="x2056874" class="bold">
<a name="x2056874"></a>International Organization for Standardization
(ISO)</dt>
<dd>An international body charged with creating standards to
facilitate the exchange of goods and services as well as cooperation in intellectual,
scientific, technological, and economic activity. A notable example of such
a standard is the Open Systems Interconnection (OSI) model, a standard for
network architecture. ISO members are designated standards organizations of
participating nations. ISO is responsible for creating standards for industry
in many areas except electrical/electrotechnical, which is covered by the
IEC, and telecommunications, which is covered by the ITU. ISO was founded
in 1946.</dd>
<dt id="x2109303" class="bold">
<a name="x2109303"></a>International Organization for Standardization/International
Electrotechnical Commission 10646 UCS-2 level 1 (ISO/IEC 10646)</dt>
<dd>An international encoding scheme that has full character data integrity with
Unicode. ISO/IEC 10646 assigns 16 bits for each character, which can be used
to represent most of the written languages in the world. The ISO/IEC 10646
character set is supported by the iSeries system with a fixed character set.</dd>
<dt id="x2025899" class="bold">
<a name="x2025899"></a>International Program License Agreement (IPLA)</dt>
<dd>A licensing program that regulates the sale and purchase of licensed
programs.</dd>
<dt id="x2025904" class="bold">
<a name="x2025904"></a>international standard</dt>
<dd>A standards
document that is given final approval by the International Organization for
Standardization.</dd>
<dt id="x2025909" class="bold">
<a name="x2025909"></a>internet</dt>
<dd>In TCP/IP, a collection
of interconnected networks that function as a single, large network.</dd>
<dt id="x2025914" class="bold">
<a name="x2025914"></a>Internet</dt>
<dd>The worldwide collection
of interconnected networks that use the Internet suite of protocols and permit
public access.</dd>
<dt id="x2025927" class="bold">
<a name="x2025927"></a>Internet Architecture Board (IAB)</dt>
<dd>The technical body that oversees (at a high level) the work of the Internet
Engineering Task Force (IETF). The IAB approves the membership of the IETF.</dd>
<dt id="x2210329" class="bold">
<a name="x2210329"></a>Internet client</dt>
<dd>A program (or user)
that uses the Internet to make requests of and to receive results from an
Internet server program. Different client programs are available to request
different types of Internet services. A Web browser is one type of client
program. File transfer protocol (FTP) is another.</dd>
<dt id="x2025937" class="bold">
<a name="x2025937"></a>Internet Control Message Protocol (ICMP)</dt>
<dd>An Internet protocol that is used by a gateway to communicate with a
source host, for example, to report an error in a datagram.</dd>
<dt id="x2025942" class="bold">
<a name="x2025942"></a>Internet Engineering Task Force (IETF)</dt>
<dd>The task force of the Internet Architecture Board (IAB) that is responsible
for solving the short-term engineering needs of the Internet. The IETF consists
of numerous working groups, each focused on a particular problem. Internet
standards are typically developed or reviewed by individual working groups
before they can become standards.</dd>
<dt id="x2025947" class="bold">
<a name="x2025947"></a>Internet host</dt>
<dd>A computer that is
connected to the Internet or an intranet. An Internet host might run more
than one Internet server program. For example, the Internet host might run
an FTP server to respond to requests from FTP client applications. The same
host might run an HTTP server to respond to requests from clients who are
using Web browsers. Server programs typically run in the background (in batch)
on the host system.</dd>
<dt id="x2025952" class="bold">
<a name="x2025952"></a>Internet Key Exchange (IKE)</dt>
<dd>A protocol
that, when used with IPSec, supports the automatic negotiation of security
associations as well as the automatic generation and refresh of cryptographic
keys. Generally, IKE is used as part of virtual private networking.</dd>
<dt id="x2025957" class="bold">
<a name="x2025957"></a>Internet Message Access Protocol</dt>
<dd>A protocol that allows a client to retrieve and manipulate mail messages that
are stored on a server.</dd>
<dt id="x2025962" class="bold">
<a name="x2025962"></a>Internet name</dt>
<dd>An alias for an IP
address. An IP address is in long numeric form and is difficult to remember,
such as 10.5.100.75. You can assign this IP address to an Internet name, such
as system1.vnet.ibm.com. An Internet name is also called a fully qualified
domain name. When you see an advertisement that says Visit our home page,
the home page address includes the Internet name, not the IP address, because
the Internet name is easier to remember.</dd>
<dt id="x2002574" class="bold">
<a name="x2002574"></a>Internet Protocol (IP)</dt>
<dd>A protocol
that routes data through a network or interconnected networks. Internet Protocol
(IP) acts as an intermediary between the higher protocol layers and the physical
network. See also <a href="rzaatt.htm#x2041973">Transmission Control Protocol</a>.</dd>
<dt id="x2025970" class="bold">
<a name="x2025970"></a>Internet Protocol address</dt>
<dd>See <a href="rzaati.htm#x2002627">IP address</a>.</dd>
<dt id="x2025975" class="bold">
<a name="x2025975"></a>Internet Security Association and Key Management
Protocol (ISAKMP)</dt>
<dd>A protocol that provides the mechanism to establish
Security Associations (SA) and cryptographic keys in an Internet environment.
ISAKMP establishes the security characteristics and cryptographic keys to
be used in a virtual private network (VPN).</dd>
<dt id="x2025980" class="bold">
<a name="x2025980"></a>Internet server</dt>
<dd>A program (or set
of programs) that accepts requests from corresponding client programs over
the Internet and responds to those clients over the Internet.</dd>
<dt id="x2057135" class="bold">
<a name="x2057135"></a>Internet service provider (ISP)</dt>
<dd>An organization that provides access to the Internet.</dd>
<dt id="x2025990" class="bold">
<a name="x2025990"></a>Internet suite of protocols</dt>
<dd>Networking
standards defined by the Internet Engineering Task Force (IETF), for example,
TCP/IP. The official list of Internet protocols is at http://www.rfc-editor.org/rfcxx00.html</dd>
<dt id="x2002579" class="bold">
<a name="x2002579"></a>Internetwork Packet Exchange (IPX)</dt>
<dd>A connectionless datagram protocol, used in a NetWare LAN environment, to
transfer data to a remote node. IPX makes a best-effort attempt to send data
packets, but does not guarantee reliable delivery of the data.</dd>
<dt id="x2025995" class="bold">
<a name="x2025995"></a>Internetwork Packet Exchange protocol (IPX protocol)</dt>
<dd>A datagram, connectionless network-layered protocol, which means
that each data packet is an autonomous unit. Packet acknowledgment, or connection
control, is provided by protocols above IPX. IPX defines internetwork and
intranode addressing schemes, while relying on the network hardware for the
definition of node addressing.</dd>
<dt id="x2026000" class="bold">
<a name="x2026000"></a>Internetwork Packet Exchange Support</dt>
<dd>The i5/OS implementation of the NetWare communications protocols. These protocols
include Internetwork Packet Exchange (IPX), Sequenced Packet Exchange (SPX),
Router Information Protocol (RIP), and Service Advertising Protocol (SAP),
NetWare Link Service Protocol (NLSP), and other related NetWare functions.
This set of communications protocols supports peer-to-peer connectivity functions
in both local area networks and wide area networks.</dd>
<dt id="x2026005" class="bold">
<a name="x2026005"></a>interoperability</dt>
<dd>The capability to
communicate, run programs, or transfer data among various functional units
in a way that requires the user to have little or no knowledge of the unique
characteristics of those units.</dd>
<dt id="x2026015" class="bold">
<a name="x2026015"></a>interpreter</dt>
<dd>A program that translates
and runs each instruction of a high-level programming language before it translates
and runs the next instruction.</dd>
<dt id="x2026022" class="bold">
<a name="x2026022"></a>interprocess communication (IPC)</dt>
<dd>The process by which programs communicate data to each other and synchronize
their activities. Semaphores, signals, and internal message queues are common
methods of interprocess communication.</dd>
<dt id="x2026027" class="bold">
<a name="x2026027"></a>interrecord-separator character (IRS)</dt>
<dd>In BSC, a transmission control character that is used to separate records
within a block of data.</dd>
<dt id="x2200277" class="bold">
<a name="x2200277"></a>interregion communication (IRC)</dt>
<dd>The method by which CICS provides communication between a CICS region and
another region in the same processor. Used for multiregion operation (MRO).
See also <a href="rzaati.htm#x2057184">intersystem communication</a>.</dd>
<dt id="x2057160" class="bold">
<a name="x2057160"></a>interrupt</dt>
<dd>A signal sent by an I/O
device to the processor when an error has occurred or when assistance is needed
to complete I/O. An interrupt usually suspends the running of the program
that is currently running.</dd>
<dt id="x2057184" class="bold">
<a name="x2057184"></a>intersystem communication (ISC)</dt>
<dd>A CICS facility that provides inbound and outbound support for communication
from other computer systems. See also <a href="rzaati.htm#x2200277">interregion communication</a>.</dd>
<dt id="x2026037" class="bold">
<a name="x2026037"></a>intersystem communications function (ICF)</dt>
<dd>A function of the operating system that allows a program to communicate
interactively with another program or system.</dd>
<dt id="x2026047" class="bold">
<a name="x2026047"></a>interval control</dt>
<dd>In CICS, a facility
that handles, synchronizes, and initiates the tasks requested by user application
programs and CICS internal service routines.</dd>
<dt id="x2026052" class="bold">
<a name="x2026052"></a>interval control element (ICE)</dt>
<dd>An
entry under CICS interval control that is waiting in an unexpired state. Its defined
date and time (to become current) are in the future. When an ICE expires it
becomes an automatic initiation descriptor (AID).</dd>
<dt id="x2026057" class="bold">
<a name="x2026057"></a>intranet</dt>
<dd>An organization's internal
network that uses the IP protocol.</dd>
<dt id="x2026062" class="bold">
<a name="x2026062"></a>intrapartition destination</dt>
<dd>In CICS, a type of transient data queue used subsequently as input data to another
task within CICS.</dd>
<dt id="x2026067" class="bold">
<a name="x2026067"></a>intrarecord data structure</dt>
<dd>In COBOL,
the entire collection of groups and elementary data items from a logical record
that is defined by an adjacent subset of the data description entries that
describe that record. These data description entries include all entries whose
level-number is greater than the level-number of the first data description
entry describing the intrarecord data structure.</dd>
<dt id="x2026072" class="bold">
<a name="x2026072"></a>intrasystem communications</dt>
<dd>A function
that allows two programs that are running in two different jobs on the same
system to communicate with each other through an ICF file.</dd>
<dt id="x2026077" class="bold">
<a name="x2026077"></a>intrinsic</dt>
<dd>Belonging to the essential
nature of a thing.</dd>
<dt id="x2026086" class="bold">
<a name="x2026086"></a>INVALID KEY condition</dt>
<dd>In COBOL, a
run-time condition in which the value of a key for an indexed or direct file
does not give a correct reference to the file.</dd>
<dt id="x2026091" class="bold">
<a name="x2026091"></a>invariant</dt>
<dd>Pertaining to constraints
on a set of data values that must always be satisfied. A single data value
may be constrained (for example, x > 5) or the relationships between the data
values may be constrained (for example, x > y).</dd>
<dt id="x2002614" class="bold">
<a name="x2002614"></a>invariant character set</dt>
<dd>A character
set, such as the syntactic character set, whose code point assignments do
not change from code page to code page</dd>
<dt id="x2026099" class="bold">
<a name="x2026099"></a>inverse</dt>
<dd>Opposite in order, nature,
or effect.</dd>
<dt id="x2026104" class="bold">
<a name="x2026104"></a>inverted HDLC</dt>
<dd>The conversion of 0-bits
to 1-bits, and vice versa, to guarantee the transmission of data at the data
link layer. The data link control protocol must be an HDLC-based protocol.</dd>
<dt id="x2026109" class="bold">
<a name="x2026109"></a>invite-program-device operation</dt>
<dd>An input/output operation that invites an acquired program device to send
input to a program and returns control to the program without waiting for
the input to arrive.</dd>
<dt id="x2394605" class="bold">
<a name="x2394605"></a>I/O</dt>
<dd>See <a href="rzaati.htm#x2025408">input/output</a>.</dd>
<dt id="x2026181" class="bold">
<a name="x2026181"></a>IO1</dt>
<dd>A data tower of an Intelligent Printer Data
Stream (IPDS) construct that represents image data. Both IM1 and IO1 represent
a raster pattern, but IO1 commands provide additional functions.</dd>
<dt id="x2026123" class="bold">
<a name="x2026123"></a>IOA</dt>
<dd>See <a href="rzaati.htm#x2025385">input/output
adapter</a>.</dd>
<dt id="x2026127" class="bold">
<a name="x2026127"></a>I/O adapter</dt>
<dd>See <a href="rzaati.htm#x2025385">input/output adapter</a>.</dd>
<dt id="x2026131" class="bold">
<a name="x2026131"></a>IOC</dt>
<dd>See <a href="rzaati.htm#x2025398">input/output
controller</a>.</dd>
<dt id="x2026135" class="bold">
<a name="x2026135"></a>IOCA</dt>
<dd>See <a href="rzaati.htm#x2024943">Image
Object Content Architecture</a>.</dd>
<dt id="x2026139" class="bold">
<a name="x2026139"></a>I/O card Licensed Internal Code</dt>
<dd>The Licensed Internal Code in a controller or adapter card.</dd>
<dt id="x2086144" class="bold">
<a name="x2086144"></a>I/O channel</dt>
<dd>See <a href="rzaati.htm#x2025393">input/output channel</a>.</dd>
<dt id="x2026144" class="bold">
<a name="x2026144"></a>I-O control</dt>
<dd>In COBOL, the name of
the header for an Environment Division paragraph in which program requirements
for specific input/output techniques are specified. These techniques include
checkpoints, the sharing of the same areas by several data files, and multiple
file storage on a single input/output device.</dd>
<dt id="x2026149" class="bold">
<a name="x2026149"></a>I/O controller</dt>
<dd>See <a href="rzaati.htm#x2025398">input/output controller</a>.</dd>
<dt id="x2026153" class="bold">
<a name="x2026153"></a>I/O feedback area</dt>
<dd>In the C language,
an area made up of two sections: the common area and the file-dependent area.
The common area contains information about I/O operations performed on the
file, such as the number of operations performed and which operation was performed
last. The file-dependent area contains file-specific information for display,
database, printer, and ICF files.</dd>
<dt id="x2026158" class="bold">
<a name="x2026158"></a>I-O mode</dt>
<dd>In COBOL, an open mode where
records can be read from, written to, or removed from the file.</dd>
<dt id="x2026163" class="bold">
<a name="x2026163"></a>IOP</dt>
<dd>See <a href="rzaati.htm#x2025413">input/output
processor</a>.</dd>
<dt id="x2026167" class="bold">
<a name="x2026167"></a>IOP-level partitioning</dt>
<dd>A dedicated
allocation of the input/output processor (IOP) and all accompanying resources
(input/output devices) to a particular logical partition. IOPs on a single
bus may be dedicated to different logical partitions. The bus resources that
contain these IOPs must be shared. See also <a href="rzaatb.htm#x2015902">bus-level
partitioning</a>.</dd>
<dt id="x2187811" class="bold">
<a name="x2187811"></a>I/O processor</dt>
<dd>See <a href="rzaati.htm#x2025413">input/output processor</a>.</dd>
<dt id="x2247501" class="bold">
<a name="x2247501"></a>I/O server</dt>
<dd>Software that provides
I/O service to other logical partitions on the same system.</dd>
<dt id="x2026176" class="bold">
<a name="x2026176"></a>I-O status</dt>
<dd>In COBOL, a conceptual
entity that contains the two-character value indicating the resulting status
of an input-output operation. This value is made available to the program
through the use of the FILE STATUS clause in the file control entry for the
file.</dd>
<dt id="x2009318" class="bold">
<a name="x2009318"></a>IP</dt>
<dd>See <a href="rzaati.htm#x2002574">Internet
Protocol</a>.</dd>
<dt id="x2002627" class="bold">
<a name="x2002627"></a>IP address (Internet Protocol address)</dt>
<dd>The unique 32-bit address that specifies the location of each device
or workstation in the Internet. For example, 9.67.97.103 is an IP address.
The address field contains two parts: the first part is the network address;
the second part is the host number.</dd>
<dt id="x2009322" class="bold">
<a name="x2009322"></a>IPC</dt>
<dd>See <a href="rzaati.htm#x2026022">interprocess
communication</a>.</dd>
<dt id="x2026197" class="bold">
<a name="x2026197"></a>IP datagram</dt>
<dd>A unit of information
that is sent across a TCP/IP network. An IP datagram contains both data and
header information, such as the IP addresses of the origin and of the destination.</dd>
<dt id="x2026202" class="bold">
<a name="x2026202"></a>IPDS</dt>
<dd>See <a href="rzaati.htm#x2025639">Intelligent Printer Data Stream</a>.</dd>
<dt id="x2044914" class="bold">
<a name="x2044914"></a>IPF</dt>
<dd>See <a href="rzaati.htm#x2025267">Information
Presentation Facility</a>.</dd>
<dt id="x2192114" class="bold">
<a name="x2192114"></a>IPF file</dt>
<dd>See <a href="rzaati.htm#x2025272">Information Presentation Facility file</a>.</dd>
<dt id="x2057250" class="bold">
<a name="x2057250"></a>IP filter</dt>
<dd>A filter that provides
the basic protection mechanism for a firewall by determining what traffic
passes through the firewall based on IP session details. This protects the
secure network from outsiders who use unsophisticated techniques (such as
scanning for secure servers) or even the most sophisticated techniques (such
as IP address spoofing). IP filters are the base on which the other tools
are constructed, providing the infrastructure in which they operate and denying
access to all but the most determined cracker.</dd>
<dt id="x2026206" class="bold">
<a name="x2026206"></a>IPI</dt>
<dd>See <a href="rzaati.htm#x2025634">intelligent
peripheral interface</a>.</dd>
<dt id="x2026210" class="bold">
<a name="x2026210"></a>IPI-3</dt>
<dd>The IBM implementation of the proposed ANSI/X3T9.3
standard defining the electrical, data link protocol, and functional interfaces.</dd>
<dt id="x2026215" class="bold">
<a name="x2026215"></a>IPL</dt>
<dd>See <a href="rzaati.htm#x2025326">initial
program load</a>.</dd>
<dt id="x2026219" class="bold">
<a name="x2026219"></a>IPLA</dt>
<dd>See <a href="rzaati.htm#x2025899">International
Program License Agreement</a>.</dd>
<dt id="x2026223" class="bold">
<a name="x2026223"></a>IP over IPX</dt>
<dd>A function of the operating
system that allows an application using the sockets' communications application
programming interface (API), with address family AF_INET, to communicate interactively
with another program or system over an Internetwork Package Exchange (IPX)
network.</dd>
<dt id="x2026228" class="bold">
<a name="x2026228"></a>IP over SNA</dt>
<dd>A function of the operating
system that allows an application using the sockets communications API, with
address family AF_INET, to communicate interactively with another program
or system over an SNA network.</dd>
<dt id="x2026233" class="bold">
<a name="x2026233"></a>IP packet security</dt>
<dd>See <a href="rzaatp.htm#x2032952">packet rules</a>.</dd>
<dt id="x2026237" class="bold">
<a name="x2026237"></a>ips</dt>
<dd>See <a href="rzaati.htm#x2085512">inches
per second</a>.</dd>
<dt id="x2235513" class="bold">
<a name="x2235513"></a>IPSec</dt>
<dd>See <a href="rzaati.htm#x2044956">IP Security Architecture</a>.</dd>
<dt id="x2044956" class="bold">
<a name="x2044956"></a>IP Security Architecture (IPSec)</dt>
<dd>A collection of Internet Engineering Task Force (IETF) standards that define
an architecture at the Internet Protocol (IP) layer to protect IP traffic
by using various security services.</dd>
<dt id="x2009326" class="bold">
<a name="x2009326"></a>IPX</dt>
<dd>See <a href="rzaati.htm#x2002579">Internetwork
Packet Exchange</a>.</dd>
<dt id="x2026251" class="bold">
<a name="x2026251"></a>IPX circuit</dt>
<dd>A path for Internetwork
Packet Exchange (IPX) communications for a local area network (LAN) and a
wide area network (WAN). For a LAN, an IPX circuit defines the path or point
of attachment from the IPX protocol layer to the IPX network. For a WAN, an
IPX circuit provides the path from the IPX protocol layer to a remote IPX
node or system.</dd>
<dt id="x2192118" class="bold">
<a name="x2192118"></a>IPX protocol</dt>
<dd>See <a href="rzaati.htm#x2025995">Internetwork Packet Exchange protocol</a>.</dd>
<dt id="x2026256" class="bold">
<a name="x2026256"></a>IR</dt>
<dd>See <a href="rzaati.htm#x2085990">Interface
Repository</a>.</dd>
<dt id="x2200279" class="bold">
<a name="x2200279"></a>IRC</dt>
<dd>See <a href="rzaati.htm#x2200277">interregion
communication</a>.</dd>
<dt id="x2026260" class="bold">
<a name="x2026260"></a>IRS</dt>
<dd>See <a href="rzaati.htm#x2026027">interrecord-separator
character</a>.</dd>
<dt id="x2026264" class="bold">
<a name="x2026264"></a>ISAKMP</dt>
<dd>See <a href="rzaati.htm#x2025975">Internet Security Association and Key Management Protocol</a>.</dd>
<dt id="x2026268" class="bold">
<a name="x2026268"></a>ISC</dt>
<dd>See <a href="rzaati.htm#x2057184">intersystem
communication</a>.</dd>
<dt id="x2026272" class="bold">
<a name="x2026272"></a>ISDB</dt>
<dd>See <a href="rzaati.htm#x2025672">interactive
source debugger</a>.</dd>
<dt id="x2026276" class="bold">
<a name="x2026276"></a>ISDN</dt>
<dd>See <a href="rzaati.htm#x2025604">Integrated
Services Digital Network</a>.</dd>
<dt id="x2026280" class="bold">
<a name="x2026280"></a>ISDN data link control (IDLC)</dt>
<dd>An
asynchronous, balanced data link protocol used between two systems to exchange
information over an ISDN B-channel.</dd>
<dt id="x2016972" class="bold">
<a name="x2016972"></a>iSeries Access asynchronous communications</dt>
<dd>The support that connects the personal computer to the ASCII
Work Station Controller on the server.</dd>
<dt id="x2230606" class="bold">
<a name="x2230606"></a>iSeries Access for Windows</dt>
<dd>The IBM licensed program that allows Windows 95, Windows 98, Windows NT, and Windows 2000 clients to perform client/server functions
from a personal computer over TCP/IP.</dd>
<dt id="x2014309" class="bold">
<a name="x2014309"></a>iSeries Advanced Application Architecture</dt>
<dd>The name of the iSeries system's architecture.</dd>
<dt id="x2014334" class="bold">
<a name="x2014334"></a>iSeries BASIC</dt>
<dd>An IBM PRPQ that compiles
or interprets BASIC programs on a server.</dd>
<dt id="x2014339" class="bold">
<a name="x2014339"></a>iSeries Developer Kit for Java</dt>
<dd>The IBM licensed program that is a compatible implementation of the Sun Microsystems,
Inc. Java Technology.</dd>
<dt id="x2145901" class="bold">
<a name="x2145901"></a>iSeries Directory Services</dt>
<dd>A function
of the i5/OS operating system that enables the server to run a Lightweight Directory
Access Protocol (LDAP) server.</dd>
<dt id="x2230907" class="bold">
<a name="x2230907"></a>iSeries for Domino&reg;</dt>
<dd>An iSeries server that
is specially designed to run Lotus&reg; Domino servers and applications. iSeries for Domino is a follow-on
product to Dedicated Server for Domino.</dd>
<dt id="x2032473" class="bold">
<a name="x2032473"></a>iSeries Navigator</dt>
<dd>A no-charge feature
of iSeries Access for Windows that is bundled with the i5/OS operating system. iSeries Navigator provides a graphical user interface to common iSeries management
functions. Some of the common management functions include basic operations,
TCP/IP configuration, job management, users and groups, database management,
and Management Central.</dd>
<dt id="x2447706" class="bold">
<a name="x2447706"></a>iSeries NetServer&trade;</dt>
<dd>See <a href="rzaati.htm#x2014373">iSeries Support for Windows Network Neighborhood</a>.</dd>
<dt id="x2014353" class="bold">
<a name="x2014353"></a>iSeries object</dt>
<dd>An object that exists
in a library on the server and is represented by an object on the PC. For
example, a user profile is a server object represented on the PC by the user
profile object.</dd>
<dt id="x2014358" class="bold">
<a name="x2014358"></a>iSeries PL/I</dt>
<dd>An IBM PRPQ that is
a high-level language available on the server. The iSeries PL/I PRPQ
is capable of handling a large variety of data structures and easily allows
variation of precision in numeric computation.</dd>
<dt id="x2014363" class="bold">
<a name="x2014363"></a>iSeries resource</dt>
<dd>In System Manager,
an entity that contains objects and other resources that reside on the server
and are represented by System Manager on the PC. iSeries resources supported by System Manager
include items within lists, such as user profile and user.</dd>
<dt id="x2230806" class="bold">
<a name="x2230806"></a>iSeries server</dt>
<dd>One of a family
of general purpose systems that supports i5/OS and Operating System/400 and that provides application portability across all models. See also <a href="rzaato.htm#x2244302">Operating System/400</a>, <a href="rzaati.htm#x2391841">i5/OS</a>.</dd>
<dt id="x2014368" class="bold">
<a name="x2014368"></a>iSeries Support Family of Services</dt>
<dd>A selection of support services, which can be purchased individually or in
packages, offered by IBM to customers. These services range from answering questions
about server usage and support to consulting on complex system problems.</dd>
<dt id="x2014373" class="bold">
<a name="x2014373"></a>iSeries Support for Windows Network
Neighborhood (iSeries NetServer)</dt>
<dd>A function of the i5/OS operating system that enables Microsoft Windows clients on a network to access iSeries shared directory paths and shared output queues without any unique software.
The clients use the file and print sharing functions that are included in
their Windows operating systems.</dd>
<dt id="x2014383" class="bold">
<a name="x2014383"></a>iSeries Toolbox for Java</dt>
<dd>A library of Java classes
that gives Java-program access to iSeries data and resources.</dd>
<dt id="x2026285" class="bold">
<a name="x2026285"></a>ISO</dt>
<dd>See <a href="rzaati.htm#x2056874">International
Organization for Standardization</a>.</dd>
<dt id="x2026290" class="bold">
<a name="x2026290"></a>ISO/IEC 10646</dt>
<dd>See <a href="rzaati.htm#x2109303">International Organization for Standardization/International Electrotechnical
Commission 10646 UCS-2 level 1</a>.</dd>
<dt id="x2002647" class="bold">
<a name="x2002647"></a>isolation level</dt>
<dd>An attribute that
defines the degree to which an application process is isolated from other
concurrently executing application processes.</dd>
<dt id="x2169454" class="bold">
<a name="x2169454"></a>ISP</dt>
<dd>See <a href="rzaati.htm#x2057135">Internet
service provider</a>.</dd>
<dt id="x2026299" class="bold">
<a name="x2026299"></a>ISQL</dt>
<dd>See <a href="rzaati.htm#x2025677">Interactive
SQL</a>.</dd>
<dt id="x2026303" class="bold">
<a name="x2026303"></a>ISS</dt>
<dd>See <a href="rzaati.htm#x2024953">image
symbol set</a>.</dd>
<dt id="x2192116" class="bold">
<a name="x2192116"></a>ITB character</dt>
<dd>See <a href="rzaati.htm#x2025827">intermediate-text-block character</a>.</dd>
<dt id="x2026311" class="bold">
<a name="x2026311"></a>item</dt>
<dd>In dynamic data exchange, the
identifier for a source of data. For example, the top, left cell position
in a spreadsheet is row 1, column 1. This cell's item is R1C1.</dd>
<dt id="x2026316" class="bold">
<a name="x2026316"></a>iteration</dt>
<dd>The process of repeatedly
running a set of computer instructions until some condition is satisfied.</dd>
<dt id="x2026321" class="bold">
<a name="x2026321"></a>ITF</dt>
<dd>See <a href="rzaati.htm#x2025687">interactive
terminal facility</a>.</dd>
<dt id="x2026325" class="bold">
<a name="x2026325"></a>ITU-T</dt>
<dd>See <a href="rzaatt.htm#x2041180">Telecommunication Standardization Sector</a>.</dd>
<dt id="x2026329" class="bold">
<a name="x2026329"></a>IVP</dt>
<dd>See <a href="rzaati.htm#x2025499">installation
verification procedure</a>.</dd></dl>
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