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Newsgroups: comp.os.386bsd.development Path: sserve!newshost.anu.edu.au!munnari.oz.au!constellation!osuunx.ucc.okstate.edu!moe.ksu.ksu.edu!zaphod.mps.ohio-state.edu!wupost!uunet!pipex!sunic!psinntp!psinntp!uuneo!sugar!peter From: peter@NeoSoft.com (Peter da Silva) Subject: Re: A challenge to all true kernel hackers - conditional symlinks. Organization: NeoSoft Communications Services -- (713) 684-5900 Date: Fri, 12 Mar 1993 11:25:29 GMT Message-ID: <C3rx2H.Cu9@sugar.neosoft.com> References: <JKH.93Mar9214944@whisker.lotus.ie> <C3pA4z.7CG@sugar.neosoft.com> <1norfhINNq5o@life.ai.mit.edu> Lines: 20 In article <1norfhINNq5o@life.ai.mit.edu> mycroft@hal.gnu.ai.mit.edu (Charles Hannum) writes: > In article <C3pA4z.7CG@sugar.neosoft.com> peter@NeoSoft.com (Peter da > Silva) writes: > > On intel's OpenNET system, namei does a preparatory lookup on the > > file name in a couple of tables, one per UID and one global (only > > root can diddle with the global one). So you can do: > > rdr @tmp /usr1/tmp > > Then when any process owned by you accessed "@tmp" it got "/usr/tmp". > Sounds like Plan 9, eh? There is nothing new under the sun, right? This predates Plan 9 by quite a few years, and is a lot more limited (and also a lot easier to implement). -- Peter da Silva. <peter@sugar.neosoft.com>. `-_-' Oletko halannut suttasi tänään? 'U` Tarjoilija, tämä ateria elää vielä.