http://www.perlmonks.org?node_id=829202


in reply to Want to Create Unix group using perl script

The way to create a "Unix" group varies widely (and Perl can't do it directly). You need to define which flavor of "Unix" you're dealing with. (I'm saying "Unix" in quotes, because Linux isn't Unix, and that's one possibility.)

-- Randal L. Schwartz, Perl hacker

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.