From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47fa0c881681f748cb453d9e938a5622@plan9.bell-labs.com> From: David Presotto To: 9fans@cse.psu.edu Subject: Re: [9fans] book chapters In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-nvnfxhvjkflluoppktfpqnfkcg" Date: Mon, 30 Jun 2003 21:44:32 -0400 Topicbox-Message-UUID: e47c500c-eacb-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-nvnfxhvjkflluoppktfpqnfkcg Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit You already have that. Make the directory only writable by the students. They can create files in it but can't remove them. --upas-nvnfxhvjkflluoppktfpqnfkcg Content-Type: message/rfc822 Content-Disposition: inline Received: from plan9.cs.bell-labs.com ([135.104.9.2]) by plan9; Mon Jun 30 19:17:18 EDT 2003 Received: from mail.cse.psu.edu ([130.203.4.6]) by plan9; Mon Jun 30 19:17:16 EDT 2003 Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.18.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id DA2F419AE4; Mon, 30 Jun 2003 19:17:05 -0400 (EDT) Delivered-To: 9fans@cse.psu.edu Received: from ar.aichi-u.ac.jp (ar.aichi-u.ac.jp [202.250.160.40]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 07CFB19992 for <9fans@cse.psu.edu>; Mon, 30 Jun 2003 19:16:43 -0400 (EDT) Received: from ar.aichi-u.ac.jp ([61.211.130.3]) by ar; Tue Jul 1 08:16:37 JST 2003 Subject: Re: [9fans] book chapters Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) From: Kenji Arisawa To: 9fans@cse.psu.edu Content-Transfer-Encoding: 7bit In-Reply-To: Message-Id: X-Mailer: Apple Mail (2.552) Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.11 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Tue, 1 Jul 2003 08:16:37 +0900 Hello, I have many students in my university. In receiving reports from my students, Plan 9 doesn't have safe solution. I would be happy if Plan 9 has append only directory. The concept is similar to that of append only file. Kenji Arisawa --upas-nvnfxhvjkflluoppktfpqnfkcg--