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=cut


=head2 id

Normally the id command shows the current username, userid, group and gid.
In Perl one can access the current ireal UID as $<  and the effective UID as $>.
The real GID is $(  and the effective GID is $) of the current user.

To get the username and the group name use the getpwuid($uid) and getpwgrid($gid)
functions respectively in scalar context.


=cut


=head2 kill

See built in kill function.