Glossary of Internet Terms

Letter Z

©2000 by Walt Howe
(last updated 22 October 2012)


 

Select the first character of the term you want to look up or use the Search link on the right.

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This Internet Glossary is growing. Terms and definitions are being added all the time. If you have comments, corrections, or suggested additions, please send them to Walt Howe using the form at the end of the Glossary. My thanks for the many suggestions that already have been included.


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Z

 

.Z
A standard file extension for files compressed with unix compression. It is also occasionally used in lower case to mean gnu unix compression, but .gz is more commonly used for this to avoid confusion.
Z39.50
"American National Standard Z39.50: Information Retrieval Service Definition and Protocol Specification for Library Applications." This was designed to be a standard for connecting library computers and databases regardless of hardware and software. It could be used as a standard for many kinds of databases. It has not caught on, and there are many, many other database protocols in use today in and out of libraries.
zip
A method of file compression originally used with MSDOS and a file extension for files which are zip compressed.
zmodem
A very common form of file transmission, which can be used across dialup and telnet connections. It can be used in batch modes (for multiple files), and it is faster than the older xmodem and ymodem. In some implementations, it can resume a transfer after a connection has been broken and re-established.
zulu time
Zulu time, often used in US Government communications, is another way of saying Greenwich Mean Time (GMT).
zup?
Chat shorthand for "What'z up?".

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For Web Developers: How to Link to the glossary terms.
You can link to any term in this glossary with a link in this form:

http://www.walthowe.com/glossary/*.html#term

Replace the asterisk in *.html with the first letter of the term you are linking to. Terms with more than one word will generally use an underline to link the words.