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To: Tony Shadwick <tshadwick@goinet.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 23 May 2005 14:08:43 -0400
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Subject: Re: Is this possible ? inherit group permissions
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Tony Shadwick <tshadwick@goinet.com> writes:

> On Mon, 23 May 2005, Lowell Gilbert wrote:
> 
> > cs <cs-fbsd@ctzen.com> writes:
> >
> >> For a directory, e.g. foo/, if I chmod 775 foo/, is it possible for
> >> newly created files and directories under foo/ to automagically
> >> inherit the group permissions of foo ?
> >>
> >> e.g.
> >> touch foo/test would be rw-rw-r--
> >> mkdir foo/sub would be rwxrwxr-x
> >>
> >> I am looking for a non umask solution.
> >>
> >> I seem to remember in debian, I was able to make the group permissions
> >> of the parent directory special for this magic to occur.
> >>
> >> I wonder if there is something similar in FBSD.
> >
> > If you set the suid bit, both owner *and* group will be set.

> I'll have to remember that one.  So if /home is a filesystem unto
> itself, if you set the suid bit on /home, all further creation beneath
> it will inherit the permissions you set above?

Only *directly* underneath it.  Obviously you wouldn't want to do that
for /home, but I find it quite useful on shared project directories
and the like.