From: utzoo!decvax!harpo!npoiv!alice!sjb
Newsgroups: net.unix-wizards
Title: Re: chown of files
Article-I.D.: alice.818
Posted: Fri Jul 30 08:10:50 1982
Received: Sat Jul 31 02:43:57 1982
References: utcsstat.277

Chown should remove the setuid (and setgid) bits of a
file's mode when it is called.  Same with chgrp.  However,
one can say something like this:
chown some_powerful_group file
chmod 2700 file
and then own a file that is setgid to the powerful group
(say bin or sys)