** Start of listing of h.f **
      print 100
  100 format('Content-type: text/plain;charset=us-ascii')
      print 200
  200 format('')
      print 300
  300 format('hello, world.')
      end
** End of listing of h.f **

Here is the directory entry for that source file:
-rw-------  1 rem  user  163 Feb 28  2007 h.f
   ^ Note user execute permission *not* needed for source files.

Here is the script to compile and rename files
** Start of listing of comp-h-f77.sh **
f77 h.f
mv h-f77.cgi h-f77.cgi-old
mv a.out h-f77.cgi
** End of listing of comp-h-f77.sh **

-rwx------  1 rem  user  5088 Feb 28  2007 h-f77.cgi
   ^ Note user execute permission needed for all CGI programs.
(because compiled-F77 is native machine code run directly on machine)