File/directory permissions are controlled via the users umask. There is no way
to over-ride this using directory permissions/bits. You could change all your
users' umask to 007.

SAMBA does have this feature though. You can force certain bits on or off on a
share level. 



Quoting Jay Kline <list at slushpupie.com>:

> 
> This works fine if all you ant is the is a file to be owned by a
> particular 
> group, but what if you also want to change the umask for a particular 
> directory? Say you want your home directry so that no one else can read
> your 
> stuff, but a shared "data" directory owned by "users" such that any file
> 
> created in there would not only be ownend by users, but also writable by
> 
> users?
> 
> Jay
> 
> On Thursday 07 February 2002 05:03 am, you wrote:
> > Yea, the setuid/setgid bits are probably one of the more confusing
> > aspects of a UNIX filesystem permissions. Basically you need to make
> > the directory setgid, and set the group of the directory to whatever
> > you want the files in it to be created as.
> >
> > # cd /tmp
> > # mkdir test
> > # chgrp audio test
> > # chmod g+ws test
> >
> > joeuser$ touch /tmp/test/testfile
> > joeuser$ ll /tmp/test/testfile
> > total 0
> > -rw-r--r--    1 cfandre  audio           0 Feb  7 04:57 testfile
> >
> > Hmmm, maybe this would be a good topic at the next "newbie" meeting.
> > ;-)
> >
> > On Tue, 29 Jan 2002, Tim Wilson wrote:
> > > Hey everyone,
> > >
> > > Here's a very common sysadmin task that I want to make sure I do
> exactly
> > > right. My wife is home fulltime for the time being taking care of
> our
> > > new baby. While she's home she's got to use "my" computer. That
> makes
> > > her a Linux and KDE user by default. :-) I've got StarOffice all set
> up
> > > and she's having no trouble.
> > >
> > > I want to create a shared folder for "household" documents. Things
> that
> > > should be commonly owned by both of us. I've created a 'family'
> group
> > > and added the right user to the group, but I'm not sure how to set
> up
> > > the permission on the shared directory so that any files added
> will
> > > automatically have group ownership set to 'family'. <confession
> > > type="bold">I never really have understood all the stuff about
> sticky
> > > bits very well.</confession>
> > >
> > > I figure that I'll just leave the new family folder in my account
> and
> > > symlink to it from her /home.
> > >
> > > Any suggestions or hints?
> > >
> > > -Tim
> > >
> > > --
> > > Tim Wilson      |   Visit Sibley online:   | Check out:
> > > Henry Sibley HS |  http://www.isd197.org   | http://www.zope.com
> > > W. St. Paul, MN |                          | http://slashdot.org
> > > wilson at visi.com |  <dtml-var pithy_quote>  | http://linux.com
> > >
> > > _______________________________________________
> > > Twin Cities Linux Users Group Mailing List - Minneapolis/St. Paul,
> > > Minnesota http://www.mn-linux.org
> > > tclug-list at mn-linux.org
> > > https://mailman.mn-linux.org/mailman/listinfo/tclug-list
> 
> -- 
> Jay Kline
> list at slushpupie.com
> http://www.slushpupie.com
> --
> No violence, gentlemen -- no violence, I beg of you!  Consider the
> furniture!
> 		-- Sherlock Holmes
> _______________________________________________
> Twin Cities Linux Users Group Mailing List - Minneapolis/St. Paul,
> Minnesota
> http://www.mn-linux.org
> tclug-list at mn-linux.org
> https://mailman.mn-linux.org/mailman/listinfo/tclug-list
>