From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44CE1BF3.7070006@comtv.ru> Date: Mon, 31 Jul 2006 19:04:19 +0400 From: Victor Nazarov User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923) MIME-Version: 1.0 To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] group permission References: <91D038E8-828E-451C-A069-265FF382D7D5@ar.aichi-u.ac.jp> <69081255-C87C-41C0-AA0A-3091DA3D8C9C@ar.aichi-u.ac.jp> In-Reply-To: <69081255-C87C-41C0-AA0A-3091DA3D8C9C@ar.aichi-u.ac.jp> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: 94eaf02e-ead1-11e9-9d60-3106f5b1d025 arisawa@ar.aichi-u.ac.jp wrote: > 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. > > My question comes from real problem. > bob is a service program. > alice and carol are system users. I think alice and carol should create two different groups and add bob to these groups. IMHO, allowing regular users to create groups is essensial in multiuser environment. I don't know what's the problem is, but it's better then ACLs. -- Victor