Contains the command-line arguments for the script (not including the command name).
Names the methods a package exports by default.
Names the methods a package can export upon explicit request.
Contains the list of places to look for Perl scripts to be evaluated by the do filename and require commands.
List of base classes of a package.
Parameter array for subroutines. Also used by split if not in array context.
Contains the current environment.
List of files that have been included with require or do.
Can be used to overload operators in a package.
Used to set signal handlers for various signals.