perl -v should give you all the information you need...
ahunter:~ % perl -v
This is perl, v5.6.0 built for i686-linux-multi
Copyright 1987-2000, Larry Wall
Perl may be copied only under the terms of either the Artistic License
+ or the
GNU General Public License, which may be found in the Perl 5.0 source
Complete documentation for Perl, including FAQ lists, should be found
this system using `man perl' or `perldoc perl'. If you have access to
Internet, point your browser at http://www.perl.com/, the Perl Home Pa
So it's covered by either the Artistic Licence or the GPL, depending on how
you want to distribute it.
Oh, umm... A 20K exe file? That doesn't sound right... I think
you're missing something, most likely a 900K or so DLL?
Plus you'll want to include any modules that you use in
your package. Plus there may be other oddities that are
normally set up by ActiveState's installer...