Some providers include software for using the Internet, or discussion areas or libraries. Prices vary considerably. An account that gives you access to a computer running Internet software with the UNIX operating system, a command-line interface. Using a UNIX shell account is inexpensive and information is exchanged quickly, but the programs are difficult to learn. The underlying software on the Internet that allows you to log in to a distant computer and run it.
Many computer databases are open to the public via telnet.
The end point in a mainframe system where the monitor and keyboard are located. A personal computer can be set to emulate a mainframe terminal, letting it communicate with the mainframe. The address of a Web site, consisting of the name of a computer, subdirectories, and the document. Messages are posted to a group, then remain for a few weeks before they are removed. A small program that is meant to lodge itself in a computer s memory.