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G11N
See globalization.

G.711
(1) An audio codec that produces a better sound quality (contains more frequencies) than G.723, but consumes more network bandwidth and is unusable over a 56K connection (requires 64K). G.711 consumes fewer processor cycles than G.723.
(2) Specification for uncompressed voice for PSTN and Voice over Internet Protocol access.

G.723
An audio codec that compresses data by removing all frequencies except those required to support the human voice. This codec uses less network bandwidth but consumes more processor cycles than the G.711 codec.

G.723.1
Compressed audio codecs used on Voice over Internet Protocol connection for voice.

G.729A
Compressed audio codecs used on Voice over Internet Protocol connection for voice.

garbage collection
(1) Part of a language's run-time system or an add-on library that automatically determines the memory that a program no longer uses, and recycles it for other use. Garbage collection may be assisted by the compiler, the hardware, the operating system, or any combination of the three.
(2) A routine that searches memory to reclaim space from program segments or inactive data.

gatekeeper
A component of a Voice over Internet Protocol that provides services such as admission to the network and address translation.

gateway
(1) A device or program used to connect two systems or networks. The systems may have different characteristics, such as different communication protocols, different network architecture, or different security policies, in which case the gateway performs a translation role as well as a connection role.
(2) A middleware component that bridges Internet and intranet environments during Web service invocations.
(3) Software that provides services between the endpoints and the rest of the Tivoli environment.
(4) A component of a Voice over Internet Protocol that provides a bridge between VoIP and circuit-switched environments.
(5) A device that acts as a router, but occurs at the transport layer, to transfer packets between networks.
(6) A ground-based link to a mobile satellite service network.

gateway classes
The interface for Java Client applications to connect to the Gateway daemon. The Gateway classes, which are supplied with the CICS Transaction Gateway, must be in the classpath for Java Client applications to run.

gateway daemon
Used only in remote mode, the Gateway daemon listens on protocols defined in CTG.INI for gateway requests from remote Java client applications. It issues these requests to the Client daemon on distributed platforms, and directly to CICS over the external CICS interface (EXCI) on z/OS. The Gateway daemon runs the protocol listener threads, the worker threads and the connection manager threads.

gateway method
A method that runs on behalf of an endpoint on the gateway to which the endpoint is assigned. The results of the method are forwarded to the managed resource that requested that the method be run.

GB
See gigabyte.

Gbps
See gigabits per second.

GCGID
See graphic character global identifier.

GCS
See Group Control System.

GCSGID
See graphic character set global identifier.

GDDM
See Graphical Data Display Manager.

GDF
See graphics data format.

GDF file
See graphics data format file.

GDS
(1) See Global Directory Service.
(2) See generalized data stream.
(3) See general data stream.

general activity
In Backup Recovery and Media Services, an instruction to perform a specific operation such as *LOAD (load a new tape) or *EXIT (perform user exit).

general data stream (GDS)
A structured field that precedes all mapped conversation user data in the communications data stream. It consists of a length (LL), which is defined as the first 2 bytes of the structured field, and a general data stream identifier (GDS ID), which is defined as the next 2 bytes following the length field that identifies the GDS-defined format of the data.

General Inter-ORB Protocol (GIOP)
A protocol that Common Object Request Broker Architecture (CORBA) uses to define the format of messages.

generalized data stream (GDS)
The SNA-defined data stream format used for basic conversations on APPC sessions.

generalized interactive executive (GIX)
A function of the NetView Distribution Manager licensed program that provides the host system user with interactive use of the NetView Distribution Manager program.

Generalized Performance Analysis Reporting (GPAR)
A tool designed as a base for reporting on the performance of IBM or user-written programs.

generalized sequential access method (GSAM)
In IMS, a database access method providing accessing support for simple physical sequential datasets, such as tape files, SYSIN, SYSOUT, and other files that are not hierarchic in nature. Available only in BMP and Batch.

generalized trace facility ( GTF GTF)
(1) An optional z/OS service program that records significant system events, such as supervisor calls and start I/O operations, for the purpose of problem determination.
(2) In MVS, a trace data-collection routine.

general log
A general purpose log stream used by CICS for any of the following: forward recovery logs, autojournals, or user journals. See also system log.

General Packet Radio Service (GPRS)
A packet data communications system that allows information to be sent and received across a mobile telephone network. GPRS permits faster Internet access and improved mobile technology through continuous connectivity.

general purpose library (QGPL)
The library shipped with the system that contains IBM-provided objects required for many system functions and user-created objects that are not explicitly placed in a different library when they are created.

general resource
In RACF, any system resource, other than an MVS data set, that is defined in the class descriptor table (CDT). On MVS, general resources include DASD volumes, tape volumes, load modules, terminals, IMS and CICS transactions and other CICS resources, and installation-defined resource classes.

general resource profile
In RACF, a profile that provides protection for one or more general resources. The information in the profile can include the general resource profile name, profile owner, universal access authority, access list, and other data.

General Use Programming Interface (GUPI)
An interface, with few restrictions, for use in customer-written programs. The majority of programming interfaces are general-use programming interfaces, and are appropriate in a wide variety of application programs.

generate
(1) In DB2 UDB for iSeries, to produce, through the actions performed by a precompiler. For example, the precompiler generates host language statements and declarations that are embedded into the input source, and this modified source is then used as input to a compiler.
(2) To convert a structured content resource or a list of resources into a file (such as .html) using a presentation template.
(3) To produce a computer program by selection of subsets from skeletal code under the control of parameters.

generated course
A course that is created in a program other than LearningSpace - Virtual Classroom (for example, the Learning Management System), but is available in LearningSpace - Virtual Classroom.

generation feature
In CICS/VSE, An IBM licensed program order option used to tailor the object code of a program to user requirements.

generation template
A template used when authoring content. The template is used to generate resources or a list of resources to a static file.

generic
Relating to, or characteristic of, a whole group or class.

generic alert
(1) Alert information that is provided as text or is encoded using a method in which code points provide an index into short units of stored text. The use of generic alerts prevents the receiver from having to recognize and understand each unique problem for which an alert is sent. See also nongeneric alert.
(2) A Systems Network Architecture (SNA) Network Management Vector that enables a product to signal a problem to the network. CICSPlex SM uses generic alerts as part of its interface to NetView.

generic applid
In XRF, the name by which the active-alternate pair of CICS systems is known to the end user. In VTAM terms, this is the USERVAR. The generic name is also used in intersystem communication. See also specific applid.

generic business object
A business object that generically represents a business entity across multiple applications or data sources. See also application-specific business object.

generic controller description
An asynchronous controller description that is reserved for incoming calls on an X.25 packet-switching data network from a remote system or device that does not use SNA transmission protocols and whose location name and identifier are defined in configuration list QASYNCLOC in library QSYS.

generic data identifier
In CICS, a 1-to-8 character alphanumeric name consisting of the common leading characters of a group of temporary storage queue names for which recovery is required.

generic envelope type
A value that defines a specific envelope type. The contents of this envelope are published so that it can be used as a common interchange format.

generic gate
Gives access to a set of functions that are provided by several domains.

generic key
In systems with VSAM, a leading portion of a key, containing characters that identify those records that are significant for a certain application. The key is one or more consecutive characters, taken from a data record, used to identify the record and establish its order with respect to other records.

generic name
(1) In the hierarchical file system, a path name that contains one or more wildcard characters.
(2) The characters common to object names that can be used to identify a group of objects. A generic name ends with an asterisk (*). For example, ORD* identifies all objects whose names begin with the characters ORD.

generic profile
In RACF, a profile that can provide protection for one or more resources. The resources protected by a generic profile have similar names and identical security requirements. For example, a generic data set profile can protect one or more data sets. See also data set profile, discrete profile, resource profile.

Generic Security Service API (GSS API)
A standard application programming interface (API) that is defined by the Internet Engineering Task Force (IETF) for authentication, integrity protection, and confidentiality. GSS API provides a generic interface for an application to interact with a variety of security mechanisms that may provide these security features. This provides for source-level portability of applications to different operating systems.

Generic Security Services Application Programming Interface (GSS API)
A common application programming interface (API) for accessing security services.

geo-code
In WebSphere Commerce, an application-specific code representing a geographical region. See also jurisdiction.

geographic mirroring
A subfunction of cross-site mirroring (XSM) that generates a mirror image of an independent disk pool on a system, which is (optionally) geographically distant from the originating site for availability or protection purposes.

GEOS
See geo-stationary Earth orbit systems.

geo-stationary Earth orbit systems (GEOS)
Communications system with satellites in geosynchronous orbits 22,300 miles above Earth.

get
In message queuing, to use the MQGET call to remove a message from a queue.

getter method
A method whose purpose is to get the value of an instance or class variable. This allows another object to find out the value of one of its variables. See also setter method.

GETVIS space
In CICS/VSE, storage space within a partition or the shared virtual area, available for dynamic allocation to programs.

GFT
See grant functional transmission.

GID
(1) See group identification number.
(2) See group ID.

GIF
See Graphics Interchange Format.

Gigabit Ethernet
A variation of the Ethernet protocol that is capable of transmitting data at one billion bits per second. Gigabit Ethernet on iSeries is supported only by TCP/IP in full-duplex mode.

gigabits per second (Gbps)
A measure of high speed bandwidth on a digital data transmission medium such as optical fiber. See also kilobits per second.

gigabyte (GB)
In decimal notation, 1 073 741 824 when referring to memory capacity; in all other cases, it is defined as 1 000 000 000.

GIOP
See General Inter-ORB Protocol.

GIX
See generalized interactive executive.

glare
A condition that occurs when both ends of a telephone line or trunk are seized at the same time.

global access checking
In RACF, the ability to allow an installation to establish an in-storage table of default values for authorization levels for selected resources. RACF refers to this table prior to performing normal RACHECK processing, and grants the request without performing a RACHECK if the requested access authority does not exceed the global value. Global access checking can grant the user access to the resource, but it cannot deny access.

global attribute
In XML, an attribute that is declared as a child of the schema element rather than as part of a complex type definition. Global elements can be referenced in one or more content models using the ref attribute.

Global Campus
IBM's learning portal for its employees

global catalog
A system data set in which CICS records CICS system information. See also local catalog.

global catalog domain
Together with the local catalog domain, a repository used by other CICS domains to hold information to allow an orderly restart. The two catalog domains enable CICS code to read, write, and purge records on the global and local catalog data sets so that a record of the CICS state can be maintained when CICS is not running.

global character
See wildcard character.

Global Directory Service (GDS)
The DCE Directory Service component that locates other cells using global cell names. GDS can use an X.500-based directory service or the Internet distributed directory service called Domain Name Service (DNS).

global domain
A group of Domino domains, such as Sales1, Sales2, and Marketing, under a single Internet domain, such as acme.com. All outbound SMTP mail, whether it originates from the Sales1 or Marketing domains, has the return address acme.com. See also domain.

global element
In XML, an element that is declared as a child of the schema element rather than as part of a complex type definition. Global elements can be referenced in one or more content models using the ref attribute.

globalization (G11N)
The process of developing, manufacturing, and marketing software products that are intended for worldwide distribution. This term combines two aspects of the work: internationalization and localization.

globally defined object
On z/OS, an object whose definition is stored in the shared repository. The object is available to all queue managers in the queue-sharing group. See also locally defined object.

global mobile personal communications services (GMPCS)
Future mobile satellite systems that will provide global wireless phone service.

global mutex
A mutual exclusion lock that is provided by the pthreads library to allow easy serialization to application resources.

global name
(1) In COBOL, a name that is declared in only one program but that may be referred to from that program and from any program contained within that program. Condition-names, data-names, file-names, record-names, and some special registers may be global names.
(2) In Managed System Services, the name by which an object is known to SNA File Services (SNA/FS). SNA/FS enables objects to be uniquely named in an SNA network with systems of different types.

global polling
In Managed System Services, a type of polling used by the topology manager when collecting topology information for all the systems in the network.

global positioning system (GPS)
A satellite constellation that provides highly accurate position, velocity, and time navigation information to users.

global repository
A top-level repository that appears in the Project Tree. It has a global scope and can be referenced by multiple processes. A global repository can be thought of as a data store.

global resource serialization (GRS)
A form of global data set enqueuing. In an XRF environment in which the active and alternate pair of CICS systems are running in different MVS images, GRS can be used (1) to enable the sharing of a CSD between the active and alternate (2) to reduce the risk of data integrity problems caused by concurrent execution of DB2 on the active and alternate.

global rule
A rule specifying the project-wide replacement of a certain type of host input field with a particular widget.

global security
Pertains to all applications running in the environment and determines whether security is used, the type of registry used for authentication, and other values, many of which act as defaults.

Global Security Kit (GSK)
A toolkit for managing digital certificates used in implementing Secure Sockets Layer (SSL) security.

global signon (GSO)
A flexible single signon solution that enables the user to provide alternative user names and passwords to the back-end Web application server. Global signon grants users access to the computing resources they are authorized to use -- through a single login. Designed for large enterprises consisting of multiple systems and applications within heterogeneous, distributed computing environments, GSO eliminates the need for users to manage multiple user names and passwords. See also single signon.

Global System for Mobile communication (GSM)
A digital mobile telephone system that is widely used in Europe and other parts of the world. GSM uses a variation of time division multiple access (TDMA) and is the most widely used of the three digital wireless telephone technologies (TDMA, GSM, and CDMA).

global trace
A WebSphere MQ for z/OS trace option where the trace data comes from the entire WebSphere MQ for z/OS subsystem.

global transaction
A unit of work in a distributed transaction processing environment in which multiple resource managers are required.

global trap/trace exit
A problem-determination function controlled by the CSFE CICS transaction. See also trace.

global user exit
A point in a CICS module at which CICS can pass control to a user-written program (known as an exit program), and then resume control when the program has finished. When an exit program is enabled for a particular exit point, the program is called every time the exit point is reached. See also task-related user exit.

global variable
(1) A variable used to contain information for the use of actions. The values of global variables can be extracted from a host screen or elsewhere, and can be used in templates, transformations, macros, Integration Objects, or business logic. A global variable can be a single value or an array, and it can be shared with other applications sharing the same session.
(2) A named entity within query management that can be assigned a value used for communications between an application program and Query Management/400.

global variable pool
In query management, the set of all user- and query-defined variables associated with a query instance.

global work area (GWA)
An area provided by CICS for a user exit program when the user exit program is enabled.

global zone
Logical division of the SMP/E consolidated software inventory (CSI).

GLT
See group list table.

glyph
A graphic symbol whose appearance conveys information, for example, the vertical and horizontal arrows on cursor keys that indicate the directions in which they control cursor movement.

GMPCS
See global mobile personal communications services.

GMT
See Greenwich mean time.

goal mode
A workload management mode for an MVS image in a sysplex using an MVS workload management service definition to automatically and dynamically balance its system resources according to the active service policy for the sysplex.

GOCA
See Graphics Object Content Architecture.

Gopher
In the Internet suite of protocols, a distributed information service that makes available hierarchical collections of information. A single Gopher client can access information from any accessible Gopher server. The Gopher client provides the user with a menu-driven interface.

GPAR
See Generalized Performance Analysis Reporting.

GPRS
See General Packet Radio Service.

GPS
See global positioning system.

grammar
(1) A document type definition (DTD) or schema providing a structured format used for successful processing by the trace service.
(2) A structured collection of words and phrases bound together by rules. A grammar defines the set of all words, phrases and sentences that might be spoken by a caller and are recognized by the engine. A grammar differs from a vocabulary in that it provides rules that govern the order in which words and phrases can be joined together.

grant functional transmission (GFT)
In MTAM, a control character indicating that the host system gives permission to OS/400 to send data or that OS/400 gives permission to the host system to send data. See also request functional transmission.

graph
(1) See chart.
(2) The displayed, printed, or plotted output that represents the horizontal and vertical axis variables specified by the user for a collection of data.

graph format
In Performance Tools, a template used to display performance and historical graphs. The graph format consists of such things as titles, axis variables, and the type of graph.

Graphical Data Display Manager (GDDM)
A function of the operating system that processes both text and graphics for output on a display, printer, or plotter. See also presentation graphics routines.

graphical interface
See graphical user interface.

graphical user interface ( GUI, UI graphical interface)
A type of computer interface that presents a visual metaphor of a real-world scene, often of a desktop, by combining high-resolution graphics, pointing devices, menu bars and other menus, overlapping windows, icons and the object-action relationship.

graphic character
A visual representation of a character, other than a control character, that is normally produced by writing, printing, or displaying. (see ISO/IEC 9995-1). See also glyph, control character.

graphic character global identifier (GCGID)
A 4- to 8-character alphanumeric identifier assigned to a registered graphic character. Each graphic character that is to be assigned a code point must have a GCGID. Each GCGID is unique.

graphic character set
A defined set of graphic characters treated as an entity. No coded representation is assumed. See C-S 3-3220-019 Corporate Standard.

graphic character set global identifier (GCSGID)
A number between 00001 and 65534 that is assigned to identify a graphic character set. For OS/400, the graphic character set global identifier is expressed as a 5-digit decimal number. For example, the invariant character set has the GCSGID of 00640.

graphic character-set ID
A 5-digit registered identifier used to specify a graphic character set. The graphic character-set ID is the first part of the QCHRID system value or the CHRID parameter value.

graphic data type
A character string in which each character is represented by 2 bytes. The character string does not contain shift-in (SI) and shift-out (SO) characters. See also DBCS-only.

graphic push button
A button that uses an image, rather than text, to describe its use.

graphics
(1) Pertaining to charts, tables, and their creation.
(2) Pictures and illustrations.

graphics data format (GDF)
In AFP Utilities, the ability to create an AFP resource, such as an electronic overlay.

graphics data format file (GDF file)
A picture definition in a coded order format used internally by the GDDM function and, optionally, providing the user with a lower-level programming interface than the GDDM application programming interface.

graphics field
In the GDDM function, that part of the display or the paper that is used for pictures and graphics text.

Graphics Interchange Format (GIF)
A file format for storing images. GIF files are common on the World Wide Web because they only contain a maximum of 256 colors and are therefore very small.

Graphics Object Content Architecture (GOCA)
An architecture that provides a collection of graphics values and control structures used to interchange and present graphics data.

graphics primitive
In the GDDM function, a single item of graphics information, such as a line or a string of graphics text.

graphics segment
In the GDDM function, a group of graphics primitives (lines, arcs, and text) that are operated as a common set. The graphics primitives inside a graphics segment share characteristics, such as visibility and angle of rotation, but keep their individual characteristics, such as color and line width.

graphics symbol set
In the GDDM function, an object that can contain either lines or images. The system-recognized identifier for the object type is *GSS.

graphics text
In the GDDM function, text displayed by an application program using a graphics symbol set.

graphic string
A set of characters associated with a double-byte character set.

graphics window
In the GDDM function, the view of the graphics picture that is defined by the range of the world coordinates specified by the user.

gray level
In the GDDM function, a digitally coded shade of gray that is in a range of 0 through 7.

gray scale
A scale that indicates the shades of gray between black and white that can be presented on a display device.

gray-scale image
An image that is represented by different gray values that range from white to black.

Greenwich mean time (GMT)
Mean solar time at the meridian of Greenwich, England. Universal coordinated time is considered the most accurate measure of time. GMT is kept by the Royal Greenwich Observatory located at Greenwich, England. In the 1840's, GMT was established for all of England, Scotland, and Wales, replacing many local times in use in those days. Subsequently GMT became the official time reference for the world until 1972 when it was replaced by the atomic-clock-based coordinated universal time (UTC). GMT is also known as universal time.

greeting
In voice mail, the recording heard by a caller on reaching subscriber's mailbox. See also voice message.

greeting header
In voice mail, a recording made by a subscriber and played to callers either before or instead of a personal greeting.

grid
(1) In Business Graphics Utility and the GDDM function, uniformly spaced horizontal and vertical lines on a chart.
(2) In AFP Utilities, horizontal and vertical lines printed on an AFP resource, such as an electronic overlay, to help in the design of the AFP resource.

grid computing
The ability, using a set of open standards and protocols, to gain access to applications and data, processing power, storage capacity and a vast array of other computing resources over the Internet. Grid is a type of parallel and distributed system that enables the sharing, selection, and aggregation of resources distributed across "multiple" administrative domains based on their (resources) availability, capability, performance, cost, and users' quality-of-service requirements. Grid computing optimizes computer resources by connecting multiple, heterogeneous systems in a way that services, such as computing and data resources, can be securely shared within and across enterprises in a virtual environment. Grid enables the management and administration of IT resources as a single system. Among other uses, Grid is also an enabling technology for e-business on demand. Definition is from w3.grid.ibm.com/index.shtml and www.gridcomputing.com. See also virtualization, Open Grid Services Architecture, autonomic computing, virtualized.

gross lock
The shared, update, or exclusive mode locks on a table, partition, or table space. See also exclusive lock, shared lock, update lock.

group
(1) A collection of users who can share access authorities for protected resources.
(2) In resource definition online, a collection of related resources. The main purpose of an RDO group is convenience in storing definitions in the CSD.
(3) In the Application Development Manager feature of the Application Development ToolSet licensed program, a collection of parts at the same phase in the development process.
(4) In places, two or more people who are grouped for membership in a place.
(5) A named list of users by which access levels to corporate directories, databases, and servers are assigned. Two or more individual users who are categorized for the purpose of assigning database security settings: for example, administrators must assign individuals to groups before assigning roles for each database's Access Control List.
(6) A list of elements with information about how those elements can appear in a message. Groups can be ordered, unordered, or selective.
(7) A named list of users and servers. It can be used in Domino Directories, Personal Address Books, access control lists, and so on.
(8) In RACF, a collection of users who can share access authorities for protected resources.

group address
In communications, a multidestination address associated with one or more stations on a given network. See also individual address.

group authority
Authority to use objects, resources, or functions from a group profile.

group calendar
A display that shows the events for up to seven users at one time.

Group Control System (GCS)
In OSI Communications Subsystem, a VM operating environment in which the subsystem and Virtual Telecommunications Access Method (VTAM) run.

group data area
A data area that is automatically created when an interactive job becomes a group job. This data area is shared by all jobs in the group but cannot be used by jobs outside the group.

group data set
On MVS, a RACF-protected data set in which either the high-level qualifier of the data set name or the qualifier supplied by an installation exit routine is a RACF group name. See also user data set.

Groupe Special Mobile (GSM)
A CEPT/CCH standard for mobile telephony.

group ID (GID)
In the Resource Access Control Facility (RACF), a string of one to eight characters that identifies a group. The first character must be A through Z, #, $, or @. The rest can be A through Z, #, $, @, or 0 through 9.

group identification number (GID)
A 4 byte, unsigned integer (GID) that is used to identify a group profile. See also user identification number.

group indication
In RPG, the printing of control information for only the first record of a group of records containing identical control information.

group item
In COBOL, a named set of consecutive elementary or group items.

group job
One of up to 16 interactive jobs that are associated in a group with the same work station device and user.

group job name
The name that identifies a given job within a group.

group job transfer
An operation performed by the Transfer to Group Job (TFRGRPJOB) command that will either start a new group job or resume an existing group job.

group list print descriptor
A special type of print descriptor used to define print descriptor groups, and the search order used when a print descriptor is referred to.

group list table (GLT)
A CICS table that identifies the library and file names for resource mapping that is to be installed when the control region is started.

group member
A user profile that is a member of a group profile.

group message queue
A message queue that is associated with a group of jobs. When the message queue is set either to break mode or notify mode in the active group job, the mode is the same for any job in the group that becomes the active job.

group profile
A profile that provides the same authority to a group of users.

group-related user attribute
In RACF, a user attribute assigned at the group level, that allows the user to control the resource, group, and user profiles associated with the group and its subgroups.

group terminal option
In RACF, a function that allows users within a group to log on only from those terminals that they have been specifically authorized to use.

groupware
Applications that enhance communication, collaboration, and coordination among groups of people.

group window
In iSeries Access for Windows, a window that contains one or more icons that represent applications, functions, or documents.

GRS
See global resource serialization.

GSAM
See generalized sequential access method.

GSK
See Global Security Kit.

gsk7ikm
A utility that creates public-private key pairs and certificate requests, receives certificate requests into a key database, and manages keys in a key database.

GSM
(1) See Global System for Mobile communication.
(2) See Groupe Special Mobile.

GSO
See global signon.

GSS API
(1) See Generic Security Services Application Programming Interface.
(2) See Generic Security Service API.

GTF
See generalized trace facility.

guaranteed level of service
See service level agreement.

guaranteed service
A type of service class that ensures bandwidth availability and provides information on queuing delays. Guaranteed service is the most reliable of the service classes. It is commonly used for applications that cannot tolerate network delays or performance variations. For example, applications such as Internet Protocol (IP) telephony and other real-time applications have specific timing needs that require guaranteed service.

guest partition
A secondary partition that runs an operating system other than OS/400. The guest partition requires another partition to host it. The purpose of the hosting partition is to supply paths from virtual I/O in the guest partition's operating system to real I/O hardware drivers in the hosting partition. The guest partition requires a console in order to provide an interface to DST console functions. TELNET is used to establish a guest console from the hosting partition. The guest partition's console should not be confused with the console used by the operating system running in the guest partition. They are separate console sessions.

GUI
See graphical user interface.

guideline value
In capacity planning, a value used as a general guide for optimal resource utilization. If resource utilization is above the guideline value, the resource may be approaching a problem area or a threshold value. Guideline values are also available for the rate of synchronous reads in the machine pool and for the sum of all pools. See also threshold value.

GUI designer
The VRPG tool suite that allows the user to create interfaces by dragging and dropping controls from the parts palette to the design window.

GUPI
See General Use Programming Interface.

GWA
See global work area.

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