Or you can use the Config module, if you need more information about the system.

If you're using regular CGI's (and doesn't need mod_perl) you can use Cygwin at the Windows station, without problems. You will avoid annoyances with IIS, permissions or registry. But if you need mod_perl, just forget about. I recently (two weeks ago) had tried to use Apache 2 with Cygwin and it just didn't worked. Looking for answer at Google brought info related to wrong compilation problem and, well... I quit trying!