The Common Gateway Interface Specification [http://hoohoo.ncsa.uiuc.edu/cgi/interface.html]

# The CGI Specification

This is the specification for CGI version 1.1, or CGI/1.1. Further revisions of this protocol are guaranteed to be backward compatible.

The server and the CGI script communicate in four major ways. Each of the following is a hotlink to graphic detail.

- Environment variables
- The command line
- Standard input
- Standard output

Return to the overview

CGI - Common Gateway Interface