Who?
DCPM are a bunch of people who are, professionally or otherwise, interested in the Perl programming language. People sharing this interest or wishing to develop their skills are encouraged to become involved.
How?
Discussions are held and meetings arranged via a mailing list.
If you are, in fact, trying to find out how to do something with Linux, you want the DCLUG.
If you are trying to learn Perl and have no idea where to start then you should look at learn.perl.org.
If you are looking for a web-based technical forum dedicated to Perl then your best bet is Perlmonks.
