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Appendix
A graphics language that allows computer applications to draw graphic images using printers. Images in
HTTP
HyperText Transfer Protocol. The
Internet Protocol (IP)
The underlying set of networking rules that describes how data is transmitted across the Internet. Internet Protocol allows data from one computer to be split into packets to be sent to another computer with a specific IP address.
IP address
Internet Protocol address. A
LAN
Local Area Network. It is a network system formed by linking a server, workstations, and computers, which are all located in the same building or some other relatively limited area.
Log in
Entering a user name and password as a means of user authentication to start a computer session or access to a service.
LPD
Line Printer Daemon. A daemon is a program that runs, without human intervention, to accomplish a given task. The Line Printer Daemon controls the flow of print jobs to a printer.
MAC address
Media Access Control address. The hardware address of the network adapter of a computer connected to a local area network.
Protocol
A set of rules that govern the transmission of data across a network. Examples of protocols are FTP, DHCP, BOOTP, RARP, IPP, and TCP/IP.
Proxy server
A server that provides a cache of files available on remote servers that are slow or expensive to access. The term “proxy server” normally refers to a World Wide Web server that, on receiving a URL, tries to supply the requested file from its cache. If it cannot locate the file there, the proxy server would bring it from the remote server and also save a copy in its cache so that the next request can be obtained locally.