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What is CGI?

CGI: Common gateway interface

Allows a web server to actually run a program and return the output as the "web page". Very flexible and very useful, especially when combined with Perl or mod_perl, but can be used with C, bash, Python or a number of other languages (anything the server can run).

CGI is an older technology, and has since been superceded by the following technologies:

Although superceeded, CGI is still widely available and used, essentially because of its ease of setup and the flexibility on which programming language is used.

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