gtpd3m0zLibrary Guide with Master Index and Glossary

W

WAN
Wide area network.

Web browser
A client program that allows a user to navigate the Internet World Wide Web through hypertext links. These links, called uniform resource locators (URLs), specify the protocol, location, and file name of each document. The documents can be text, graphics, video, or audio. The links can also use other protocols such as File Transfer Protocol (FTP).

Web page
A Hypertext Markup Language (HTML) document that can be accessed by a uniform resource locator (URL) on the World Wide Web. Contrast with home page.

well-known port
In the Internet suite of protocols, one of a set of preassigned protocol port numbers in the range 1-1023 that address specific functions used by transport-level protocols such as the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP). For example, File Transfer Protocol (FTP) uses well-known port 21, Trivial File Transfer Protocol (TFTP) uses well-known port 69, and Hypertext Transfer Protocol (HTTP) uses well-known port 80.

well-formed
A term used to describe an XML document that follows the basic rules for writing XML markup language. These rules include, but are not limited to the following:

Go to the XML specification on the W3C Web site at http://www.w3.org/ for more specific information about well-formed documents.

WGTA table
A TPF control table that serves as the focal point for the system records associated with unique terminals; namely, the agent assembly area (AAA) and the routing control block (RCB).

white space
Space characters, tab characters, form feed characters, and new-line characters.

wide area network (WAN)
A network that provides communication services to a geographic area larger than that served by a local area network or a metropolitan area network and that may use or provide public communications facilities.

wide-oriented file
A file stream that contains only multibyte characters.

wildcard address
When a socket address is specified as INADDR_ANY, the system interprets the address as any address. If the caller of a bind function specifies the internet address as INADDR_ANY, the socket is bound to all network interfaces on the host.

wildcard character
A special character, such as an asterisk (*), that can be used to represent one or more characters.

working directory
The active directory used to resolve path names that do not begin with a slash (/). A working directory can also be referred to as the current directory or the current working directory. A directory, associated with a process, that is used in path name resolution for path names that do not begin with a slash. (POSIX.1) Synonym for current directory, current working directory.

working storage
Refers to those areas of main storage that are (1) available to application programs as system resources and (2) the system control blocks used for managing an entry. Contrast with fixed storage.

World Wide Web Consortium (W3C)
A body that makes recommendations for standard Web specifications. The W3C developed the DOM specification and the technology behind namespaces and schemas (DTD and XML Schema). For more information, go to the W3C Web site at http://www.w3.org/. See also namespace and schema.

writable static control block (WSCB)
A hashing table that contains the addresses of the DLM writable static blocks used by the ECB.

write lock
A means to inform a process that another process has write access to a file and does not want to share access.

WRT
E-type loader working record table.

WSCB
Writable static control block.

W3C
World Wide Web Consortium.