perldoc Look up Perl documentation in Pod format
perlhist Perl history records
-D perl5133delta Perl changes in version 5.13.3
+d perldelta Perl changes since previous version
+D perl5134delta Perl changes in version 5.13.4
+ perl5133delta Perl changes in version 5.13.3
perl5132delta Perl changes in version 5.13.2
perl5131delta Perl changes in version 5.13.1
perl5130delta Perl changes in version 5.13.0
+ perl5121delta Perl changes in version 5.12.1
perl5120delta Perl changes in version 5.12.0
-d perldelta Perl changes since previous version
perl5115delta Perl changes in version 5.11.5
perl5114delta Perl changes in version 5.11.4
perl5113delta Perl changes in version 5.11.3