Path: utzoo!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!spool.mu.edu!snorkelwacker.mit.edu!bloom-picayune.mit.edu!athena.mit.edu!jik From: jik@athena.mit.edu (Jonathan I. Kamens) Newsgroups: comp.unix.admin Subject: Re: How do you make your UNIX crash ??? Message-ID: <1991Mar18.052757.24460@athena.mit.edu> Date: 18 Mar 91 05:27:57 GMT Article-I.D.: athena.1991Mar18.052757.24460 References: <690@tndsyd.oz.au> <513@bria> <1991Mar12.132003.27383@cs.widener.edu> <7959@tyrell.gtc.de> <1991Mar16.195916.26282@infoac.rmi.de> Sender: news@athena.mit.edu (News system) Organization: Massachusetts Institute of Technology Lines: 22 In article <1991Mar16.195916.26282@infoac.rmi.de>, siebeck@infoac.rmi.de (Wolfgang Siebeck ) writes: |> what about |> |> # rm -f /dev/kmem All of the other suggestions which discussed writing to /dev/kmem assume that the device /dev/kmem is world-writeable. Your suggestion assumes that the directory /dev is world-writeable, which is a completely different thing. In any case, I'm not even convinced that removing /dev/kmem will cause a Unix system to crash. The kernel itself doesn't use /dev/kmem; the device is used only by processes that want to get access to kernel memory. Deleting /dev/kmem will simply prevent those processes (e.g. ps, ofiles) from working properly. Not a catastrophic failure by any standard. -- Jonathan Kamens USnail: MIT Project Athena 11 Ashford Terrace jik@Athena.MIT.EDU Allston, MA 02134 Office: 617-253-8085 Home: 617-782-0710