An easy way to get perl help on your system is to type: perldoc at a shell prompt. It will print the following help message, and if you want help on a particular funcion, do: perldoc -f funcname and get the help. Read the help message for more options!
Here are some helpful commands for getting help with Perl. You can also run perldoc to get additional help (You can't run it as root on *nix)
For ease of access, the Perl manual has been split up into several sections:
perl Perl overview (this section) perldelta Perl changes since previous version perl5005delta Perl changes in version 5.005 perl5004delta Perl changes in version 5.004 perlfaq Perl frequently asked questions perltoc Perl documentation table of contents
perldata Perl data structures perlsyn Perl syntax perlop Perl operators and precedence perlre Perl regular expressions perlrun Perl execution and options perlfunc Perl builtin functions perlopentut Perl open() tutorial perlvar Perl predefined variables perlsub Perl subroutines perlmod Perl modules: how they work perlmodlib Perl modules: how to write and use perlmodinstall Perl modules: how to install from CPAN perlform Perl formats perlunicode Perl unicode support perllocale Perl locale support