From: "Russ Cox" <rsc@swtch.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] group permission
Date: Mon, 31 Jul 2006 07:37:35 -0700 [thread overview]
Message-ID: <ee9e417a0607310737q44f579d9r59238627fb8a4326@mail.gmail.com> (raw)
In-Reply-To: <69081255-C87C-41C0-AA0A-3091DA3D8C9C@ar.aichi-u.ac.jp>
> Russ's solution solves most popular case that arises in human group
> working.
> However allowing chgrp without editing /adm/users will solve
> different problem.
> Suppose bob is a teacher and he is teaching something to alice and
> carol.
> Alice want to show her files to only bob, and carol also want to show
> her files only to bob.
> How to do that ?
> Creating new group does not answer the purpose.
> The only solution of current Plan 9 is
> chgrp bob ...
> by host owner.
There is another solution.
Bob can create a directory, say /bob/submit,
and make it group bob and mode 777.
Then alice and carol can each run
mkdir /bob/submit/$user
chmod 770 /bob/submit/$user
and put their files in that new directory,
which is owned by them but has group bob.
Russ
next prev parent reply other threads:[~2006-07-31 14:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-30 12:47 arisawa
2006-07-30 13:06 ` Sascha Retzki
2006-07-30 15:40 ` Skip Tavakkolian
2006-07-30 18:25 ` csant
2006-07-30 19:39 ` Russ Cox
2006-07-30 21:18 ` arisawa
2006-07-30 22:07 ` Russ Cox
2006-07-30 22:12 ` Rob Pike
2006-07-31 3:35 ` Skip Tavakkolian
2006-07-31 14:37 ` Russ Cox [this message]
2006-07-31 22:17 ` arisawa
2006-07-31 15:04 ` Victor Nazarov
2006-07-31 15:34 ` Wes Kussmaul
2006-07-31 20:37 Sascha Retzki
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