ref: c3399d1447d0c5e815c1262e0f99d69b6d4b3bfb dir: /sys/src/cmd/python/Demo/cgi/cgi0.sh/
#! /bin/sh # If you can't get this to work, your web server isn't set up right echo Content-type: text/plain echo echo Hello world echo This is cgi0.sh