Language reference
- perlsyn - syntax
 - perldata - Perl data types
 - perlsub - subroutine function
 - perlop - operator
 - perlfunc - function
 - perlpod - POD plain old documentation
 - perlpodspec - Plain Old Documentation: format specification and notes
 - perldiag - various Perl diagnostics
 - perllexwarn - warning, lexical warnings warning
 - perldebug - debug debugger
 - perlvar - Perl predefined variables
 - perlre - regular expression regex regexp
 - perlreref - Perl Regular Expressions Reference
 - perlref - reference pointer data structure structure struct
 - perlform - format report chart
 - perlobj - object OOP
 - perltie - tie
 - perldbmfilter - Perl DBM Filters
 - perlipc - Perl interprocess communication (signals, fifos, pipes, safe subprocesses, sockets, and semaphores)
 - perlfork - Perl's fork() emulation
 - perlnumber - semantics of numbers and numeric operations in Perl
 - perlport - Writing portable Perl
 - perllocale - Perl locale handling (internationalization and localization)
 - perluniintro - Perl Unicode introduction
 - perlunicode - Unicode support in Perl
 - perlebcdic - Considerations for running Perl on EBCDIC platforms
 - perlsec - Perl security
 - perlmod - Perl modules (packages and symbol tables)
 - perlmodlib - constructing new Perl modules and finding existing ones
 - perlmodstyle - Perl module style guide
 - perlmodinstall - Installing CPAN Modules
 - perlnewmod - preparing a new module for distribution
 - perlcompile - Introduction to the Perl Compiler-Translator
 - perlfilter - Source Filters
 - perlglossary - Perl Glossary
 - CORE - Pseudo-namespace for Perl's core routines
 
  
