W

WACK
See wait-before-transmitting positive acknowledgment (WACK) character.

WAIS
See Wide Area Information Service (WAIS).

wait-before-transmitting positive acknowledgment (WACK) character
A BSC character sequence sent by a receiving station to indicate that it is temporarily not ready to receive.

WAN
See wide area network (WAN).

ward
A section of a double-byte character set (DBCS) where the first byte of the DBCS codes belonging to that section are the same value. According to IBM standards for DBCS codes, there are 190 wards, and each ward has up to 190 points on which DBCS characters can be assigned. Contrast with point.

Warp Server
The IBM licensed program that provides high-performance file serving, which allows LAN-connected PC users to share and use PC data in a manner similar to PC servers. OS/2 Warp Server for AS/400 ties the administration and security of LAN-based file serving into the normal OS/400 workplace. This allows a single administrator to manage LAN services from a central location rather than from multiple outboard PC servers.

warm start
A method of recovering temporary storage and transient data queues when a CICS control region is started following a normal shutdown of the region. A warm start may result in one or more queues being cleared or recovered, that is, returned to their state prior to shutdown.

WAS
See Web application server (WAS).

WCC
See write control character (WCC).

weak export
An export that allows several definitions for the same external symbol. Each weak export has an associated key value, which is the size of the data item. The binder chooses the weak export with the largest key value. Contrast with strong export.

weak key
In Cryptographic Support, a value for a key-encrypting key that has known techniques that a code breaker can use to decrypt a data-encrypting key encrypted with this value.

Web
See World Wide Web (WWW).

Web activity monitor
In HTTP Server for AS/400, a function that automatically creates reports (host name or Internet Protocol (IP) address, method, return code, and URL information) about visits to your Web site.

Web application server (WAS)
The run time for dynamic Web applications. WAS includes support for Java servlets, Java ServerPages (JSPs), and other enterprise Java application programming interfaces (APIs). WAS provides communications, resource management, security, transaction management, and persistence capabilities for Web applications. It also typically includes an administration interface for managing the server and deployed applications.

Web browser
A client program that initiates requests to a Web server and displays the information that the server returns.

webmaster
The person who is ultimately responsible for managing and maintaining a particular Web site.

Web page
Any document that can be accessed by a URL on the World Wide Web. See also home page.

Web site
A Web server that is managed by a single entity (an organization or an individual) and contains information in hypertext for its users. A Web site often includes hypertext links to other Web sites. Each Web site has a home page. In a URL, the Web site is indicated by the fully qualified domain name. For example, in the URL http://www.as400.ibm.com/icswg.html, the Web site for IBM AS/400 is indicated by www.as400.ibm.com, which is the fully qualified domain name.

WebSphere Application Server Advanced Edition
A Web application server (WAS) that is used to build active Web sites and Web applications. The WebSphere Application Server Advanced Edition uses Hypertext Markup Language (HTML), Java servlets, and Java ServerPages (JSP), the same as for WebSphere Application Server Standard Edition. However, the Advanced application server also supports the Enterprise JavaBeans (EJB) specification from Sun Microsystems, Inc. EJB Application Server Advanced Edition is also known as the Advanced application server. See also WebSphere Application Server Standard Edition.

WebSphere Application Server Standard Edition
A Web application server (WAS) that is used to build active Web sites and Web applications. WebSphere Application Server uses Hypertext Markup Language (HTML), Java servlets, and Java ServerPages (JSP). WebSphere Application Server Standard Edition is also known as the Standard application server. See also WebSphere Application Server Advanced Edition.

Web usage mining
In HTTP Server for AS/400, a function that automatically creates reports (user, path, and group-based information) about visits to your Web site.

weekly activity
In Backup Recovery and Media Services, an activity plan contained in the control group that specifies which days of the week that processing is to occur.

weight
The ranking value used to determine the placement of a graphic character relative to the other graphic characters in a sort sequence.

welcome page
See home page.

well-known endpoint
In DCE Remote Procedure Call (RPC), a preassigned, stable endpoint that a server can use every time it runs. Well-known endpoints typically are assigned by a central authority responsible for transport control. See dynamic endpoint and endpoint.

well-known service
A service that uses a specific port number below 1024. An example of a well-known service is File Transfer Protocol (FTP), which uses port 21.

white space
A sequence of one or more characters, such as the tab character, the new line character, or the blank character, that belong to the space character class.

whole number
In REXX, an integer or a number that has a zero decimal part. Whole numbers are not usually expressed by the language processor in exponential notation.

Wide Area Information Service (WAIS)
A network information system that enables clients to search documents on the World Wide Web.

wide area network (WAN)
A data communications network designed to serve an area of hundreds or thousands of miles--for example, public and private packet-switching networks, and national telephone networks. Contrast with local area network (LAN).

wide-to-narrow ratio
In AFP Utilities, the ratio of the wide element dimension to the narrow element dimension of a bar code. See also element.

widow line
A single first or last line of a paragraph or a heading separated from its related text and appearing on a different page.

wildcard
A special character such as an asterisk (*) or a question mark (?) that can be used to represent one or more characters. Any character or set of characters can replace a pattern-matching character. Synonymous with global character, wildcard character.

wildcard character
(1) In the hierarchical file system, one of the characters that allows substitution in strings.
(2) Synonym for pattern-matching character.

window
(1) A part of the display screen with visible boundaries in which information is displayed.
(2) In data communications, the number of data packets the data terminal equipment (DTE) or data circuit-terminating equipment (DCE) can send across a logical channel before waiting for authorization to send another data packet. The window is the main method of pacing, or flow control, of packets.

window definition record
In DDS, a record containing the WINDOW keyword that defines the window's size and location.

window size
The maximum number of sequentially numbered protocol data units that can be outstanding (unacknowledged) at any given time. The window size is usually a value that is determined by agreement between the same protocol layers of adjacent systems. On the AS/400 system, the term window size is used for different layers of communications; for example, X.25 high-level data link control (HDLC), X.25 packet level, and the X.400 reliable transfer server all use the concept of window size to control flow.

Windows 32-bit operating system
A phrase that is used to encompass Windows 95, Windows 98, and Windows NT but excludes Windows 3.1 (a 16-bit operating system) and earlier versions.

wizard
User assistance that is an alternate path usually through complex and infrequently performed tasks. Presented sequentially, the panels of the wizard prompt the user for responses, then take that data and perform the task. Wizards complete a single task and are usually self-contained.

word
In REXX, a sequence of characters that do not include any blanks. Words may be used as units for manipulation during parsing and by many built-in functions.

word wrap
A function of a program that automatically moves the last word on a displayed line of text down to the next line if the word runs beyond the right margin setting.

work area
A list used to organize objects according to a user's tasks. When a user closes a work area, all windows opened from objects contained in the work area are removed from the workplace.

work entry
An entry in a subsystem description that specifies the source from which jobs can be accepted for processing in the subsystem.

worker
In socket server designs, an application process or thread that carries out the requests for the server process or thread. Typically the server establishes the connection to a remote application and gives that connection to the worker to process subsequent requests from and interact with the remote application.

Working-Storage Section
In COBOL, the section of the Data Division that describes working storage data items, composed of noncontiguous items, working storage records, or both.

working times
In the OfficeVision calendar function, the times specified as available for meetings.

workload
In Performance Tools, a stream of transactions generated by specific jobs or tasks. Key attributes of a workload include the number of local and remote jobs generating transactions, the number of interactive and noninteractive transactions per job, and the system resources required for each transaction.

work management
The user control of a system's operation and daily work load, as well as the distribution of system resources by means of subsystems, jobs, pools, classes, and system values.

work on behalf of
Pertaining to the function that allows users to temporarily access documents, folders, or mail that another user is authorized to except those items that are marked private. Tasks performed by a user working on another user's behalf produce the same results as if the original user performed the task. For example, if user A creates a new object while working on behalf of user B, user B is the owner of the object.

workplace
A list that fills the entire display and holds all of the objects that make up the user interface.

work space
(1) An area of the disk storage used temporarily by licensed programs to hold work data while the licensed programs are running.
(2) In the DCE X/Open Directory Service (XDS) and in DCE X/Open Object Management (XOM), a space in which OM objects of certain OM classes can be created, together with an implementation of the object management functions that support those OM classes.

work space interface
In the Distributed Computing Environment (DCE), the interface realized by each work space.

workstation
A device used to transmit information to or receive information from a computer, for example, a display station or printer.

workstation address
The address to which the switches on a workstation are set, or the internal address assumed by the system if no address is specified.

workstation controller (WSC)
An I/O controller card in the card enclosure that provides the direct connection of local workstations to the system.

workstation customization
An OS/400 function that allows a user to tailor ASCII workstations and printers for use with the AS/400 system. Most twinaxial keyboards can also be customized. Character presentation, font specifications, and control key sequences are examples of characteristics that can be customized.

workstation entry
An entry in a subsystem description that specifies the workstations from which users can sign on to the subsystem or from which interactive jobs can transfer to the subsystem.

work station function (WSF)
The part of the Client Access licensed program for DOS users that allows a personal computer attached to an AS/400 system to emulate up to five display stations, and a PC printer to emulate a system printer.

workstation gateway
A TCP/IP application that transforms AS/400 5250 data streams to Hypertext Markup Language (HTML) for dynamic display on Web browsers. This allows a user to run AS/400 applications from any workstation that has a Web browser.

workstation user profile
The system-supplied user profile that has the authority required by workstation operators. Named QUSER.

world coordinates
In the GDDM function, the user-defined set of coordinates that define the graphics window, and that serve as the horizontal and vertical range for all graphics primitives within the graphics window.

World Wide Web (WWW)
A network of servers that contain programs and files. Many of the files contain hypertext links to other documents available through the network.

WORM
Write-once-read-many; usually in the context of optical discs. (A)

wrap connector
A test connector that connects the output of a controller or cable to the input of the controller or cable. A wrap test then verifies that the controller or cable output and input circuits are working correctly.

wrap test
(1) In communications, a test that checks attachment or controller circuitry (without checking the connected device) by returning the output of the attachment of controller circuitry as input. For example, when irrecoverable communications adapter or machine errors occur, the wrap test can transmit a specific character pattern to or through the modem in a loop and then compare the character pattern received to what was transmitted.
(2) For devices, a diagnostic test that returns the output of a device as input.

write authority
An object authority that allows the user to add, change, and delete entries in an object. Write authority combines object operational authority, add authority, update authority, and delete authority. The system-recognized identifier is *W.

write control character (WCC)
A control character in the 3270 data stream used with a write command to specify that a particular operation, or combination of operations, is to be performed at a display station or printer.

write-enable ring
A device that is installed in a tape reel to permit writing on a tape. If a tape is on a tape drive without the ring in position, writing to the tape cannot occur; the tape is protected.

write-enable sensor
A device that detects if the write-enable ring is present in the bottom of the tape reel.

write/execute authority
An object authority that allows the user to add, change, and delete entries in an object, run a program, and search a library or directory. Write/execute authority combines object operational authority, add authority, update authority, delete authority, and execute authority. The system-recognized identifier is *WX.

write operation
An output operation that sends a processed record to an output device or output file.

writer
(1) The part of the operating system spooling support that writes spooled files to an output device independently of the program that produced the output.
(2) In RJE, a program that receives output data (files) from the host system.

writing
The action of making a recording of data on an external storage device or other data medium.

WSC
See workstation controller (WSC).

WSF
See work station function (WSF).

WWW
See World Wide Web (WWW).

WYSIWYG
What-you-see-is-what-you-get. A capability of a text editor to continually display pages exactly as they will be printed.


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