| Z39.50 | American National Standard Z39.50: Information Retrieval Service Definition and Protocol… |
| Zip | A method of file compression originally used with MSDOS and a file extension for files which are zip… |
| zmodem | A very common form of file transmission, which can be used across dialup and telnet connections. It… |
| Zone File | A zone file is stored on a name server and provides information about one or more domain names. Each… |
| Zulu Time | Zulu time, often used in US Government communications, is another way of saying Greenwich Mean Time… |