User-agent: *   # directed to all robots
Disallow: /cgi-bin/

To exclude your site from AltaVista's web page index use:


User-agent: scooter   # AltaVista web page search
Disallow: /cgi-bin/

To exclude your site from AltaVista Canada's web indexes, use: 
User-agent: taz   # AltaVista Canada web page search
Disallow: /cgi-bin/