| <html><head><title>The Common Gateway Interface Specification |
| [http://hoohoo.ncsa.uiuc.edu/cgi/interface.html] |
| </title></head><body><h1><img alt="" src="interface_files/CGIlogo.gif"> The CGI Specification</h1> |
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| This is the specification for CGI version 1.1, or CGI/1.1. Further |
| revisions of this protocol are guaranteed to be backward compatible. |
| <p> |
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| The server and the CGI script communicate in four major ways. Each of |
| the following is a hotlink to graphic detail.</p><p> |
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| </p><ul> |
| <li> <a href="env.html">Environment variables</a> |
| </li><li> <a href="cl.html">The command line</a> |
| </li><li> <a href="in.html">Standard input</a> |
| </li><li> <a href="out.html">Standard output</a> |
| </li></ul> |
| <hr> |
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| <a href="http://hoohoo.ncsa.uiuc.edu/cgi/overview.html"><img alt="[Back]" src="interface_files/back.gif">Return to the overview</a> <p> |
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| CGI - Common Gateway Interface |
| </p><address><a href="http://hoohoo.ncsa.uiuc.edu/cgi/mailtocgi.html">cgi@ncsa.uiuc.edu</a></address> |
| </body></html> |