or download this
[root@localhost ~]# perl -v
This is perl 5, version 18, subversion 2 (v5.18.2) built for i386-linu
+x-thread-multi
...
Complete documentation for Perl, including FAQ lists, should be found
+on
this system using "man perl" or "perldoc perl". If you have access to
+ the
Internet, point your browser at http://www.perl.org/, the Perl Home Pa
+ge.