Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!wuarchive!udel!haven!umd5!cogsci!wjb Newsgroups: comp.unix.internals Subject: Re: What does SUID, SGID and Sticky bits do on inappropriate files? Message-ID: <31.Dec.90.002115.20@cogsci.cog.jhu.edu> Date: 31 Dec 90 05:21:15 GMT References: <1990Dec28.234940.24202@odin.diku.dk> <1990Dec29.165803.13809@Think.COM> Organization: JHU Cognitive Science Center, Baltimore, MD Lines: 18 In article <1990Dec29.165803.13809@Think.COM> barmar@think.com (Barry Margolin) writes: >In article bzs@world.std.com (Barry Shein) writes: >[Regarding sticky executables] > >Actually, this is still useful on dataless workstations. Our dataless >workstations have local swap, /, and /usr, but /usr/local generally comes >from an NFS server. We've noticed significant performance improvement by >setting the sticky bit on Lisp images, as it effectively causes the >workstations to use their local swap space as a cache. Be careful, about this. I suggested this to a system administrator running a network of DEC RISC workstations recently. When he set the sticky bit on an executable and then ran it, his server crashed. I don't know which version of Ultrix this was, but do be careful... --- Bill Bogstad (301)338-5253 wjb@cogsci.cog.jhu.edu JHU Cognitive Science Department