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Xref: sserve comp.os.linux:47587 comp.os.386bsd.questions:3727 comp.windows.x.i386unix:2445 Path: sserve!newshost.anu.edu.au!munnari.oz.au!uunet!mcsun!sun4nl!philapd!apdnews!spoetnix.idca.tds.philips.nl!wilko From: wilko@idca.tds.philips.nl (Wilko Bulte) Newsgroups: comp.os.linux,comp.os.386bsd.questions,comp.windows.x.i386unix Subject: Re: SUMMARY: 486DX2/66 for Unix conclusions (fairly long) Message-ID: <wilko.742465908@spoetnix.idca.tds.philips.nl> Date: 12 Jul 93 08:31:48 GMT References: <21k903$3q4@GRAPEVINE.LCS.MIT.EDU> <PCG.93Jul12003233@decb.aber.ac.uk> <CA0zHp.CqK@unixhub.slac.stanford.edu> <21qfam$htg@theory.TC.Cornell.EDU> Sender: news@idca.tds.philips.nl Lines: 29 mdw@TC.Cornell.EDU (Matt Welsh) writes: >In article <CA0zHp.CqK@unixhub.slac.stanford.edu> ralph@unixhub.SLAC.Stanford.EDU (Ralph Becker-Szendy) writes: >>In article <PCG.93Jul12003233@decb.aber.ac.uk> pcg@aber.ac.uk >>(Piercarlo Grandi) writes: >>>On the other hand Linux does no swapping. >>> >>Nonsense. See man swapon, man swapoff, and man mkswap on any Linux >>system. I was trying to run X with 4MB for a while, so I can testify >>that Linux can swap a hell of a lot if needed :-) >Someone correct me if I'm wrong, but Linux "swapping" is really "paging" to >the hard drive. As far as I know images are not "swapped" to disk or >rendered inactive; the "swap space" is actually used as "paging space". >Therefore, calling it "swap" is probably a misnomer. >If something has changed, someone please bonk me on the head with a >large mallot. Thank you. Almost all (or all??) vm systems use paging when memory becomes scarce. If the free memory drops below a certain level they start to swap entire tasks to/from disk instead of single pages from tasks. Wilko -- | / o / / _ Wilko Bulte mail: wilko@idca.tds.philips.nl |/|/ / / /( (_) |d|i|g|i|t|a|l| Equipment Corporation voice: +3155-432062 fax: +3155-432103 DTN: 829 2062 PO Box 245 - 7300 AE Apeldoorn - The Netherlands