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Date:      Wed, 7 Mar 2001 15:51:17 +0100
From:      Stijn Hoop <stijn@win.tue.nl>
To:        Jim Freeze <jim@freeze.org>
Cc:        questions@freebsd.org
Subject:   Re: Directory permissions and sticky bits
Message-ID:  <20010307155117.I14261@pcwin002.win.tue.nl>
In-Reply-To: <Pine.BSF.4.32.0103070942140.42531-100000@www.stelesys.com>; from jim@freeze.org on Wed, Mar 07, 2001 at 09:48:22AM -0500
References:  <Pine.BSF.4.32.0103070942140.42531-100000@www.stelesys.com>

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On Wed, Mar 07, 2001 at 09:48:22AM -0500, Jim Freeze wrote:
> I now have
> % dir /var/tmp
> drwxr-xr-t   4 root     wheel         512 Mar  1 22:19 ./
> drwxr-xr-t  20 root     wheel         512 Jun  7  2000 ../
> drwxr-xr-t   5 jfreeze  wheel         512 Mar  1 22:18 texfonts/
> drwxrwxrwx   2 root     wheel         512 Mar  7 09:09 vi.recover/
> 
> But I cannot create a file in /var/tmp.
> % touch xyz
> touch: xyz: Permission denied

No, see the first line of dir output; you still need write permission on
the directory to create a file in it.

All the sticky bit does is prevent others from deleting your files in
a world writable directory.

chmod a+w /var/tmp

and try again.

HTH,

--Stijn

-- 
What would this sentence be like if it weren't self-referential?

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