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"An HTTP server is often used as a gateway to a legacy information system; for example, an existing body of documents or an existing database application. The Common Gateway Interface is an agreement between HTTP server implementors about how to integrate such gateway scripts and programs." -- W3C CGI: Common Gateway Interface
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![[WWW]](/moin-1.2.1/wiki/htdocs/classic/img/moin-www.png)
The Common Gateway Interface -- NCSA
