Back in my Unix days I wrote a complete TCP server in Perl! worked like a champ. Sucks that Windows doesn't have a fork/kill/wait ...

Note that you can write network servers in Perl, that work fine on both Unix and Windows, without forking and without threads, simply by taking an event-driven approach via IO::Select.

Here's a complete working example of one I used for testing Syslog a while back: Test Syslog Server