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Xref: sserve comp.os.linux:47671 comp.os.386bsd.questions:3749 comp.windows.x.i386unix:2465 Newsgroups: comp.os.linux,comp.os.386bsd.questions,comp.windows.x.i386unix Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!decwrl!decwrl!csus.edu!netcom.com!jvs From: jvs@netcom.com (Jonathan Stockley) Subject: Re: SUMMARY: 486DX2/66 for Unix conclusions (fairly long) Message-ID: <jvsCA2Eqx.4oK@netcom.com> Organization: Netcom - Online Communication Services (408 241-9760 guest) References: <CA0zHp.CqK@unixhub.SLAC.Stanford.EDU> <21ra0tINNgeg@serv-200.dfki.uni-kl.de> <JOHNSONM.93Jul12091953@calypso.oit.unc.edu> Date: Mon, 12 Jul 1993 18:44:56 GMT Lines: 42 In article <JOHNSONM.93Jul12091953@calypso.oit.unc.edu> johnsonm@calypso.oit.unc.edu (Michael K. Johnson) writes: > >In article <21ra0tINNgeg@serv-200.dfki.uni-kl.de> malik@alvserv-2.dfki.uni-kl.de (Thomas Malik) 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 > ^^^^^^^^^^^^^^^^^ > Bullshit. Obviously, you don't know the difference between terms 'swapping' > and 'paging'. Swapping means swapping complete process spaces to disk > (what bsd does) , whereas paging means putting some fixed size pieces of > memory to disk (what linux does). Obviously, the former is slower than the latter. > >*I* know the difference between swapping and paging, as you put it. >However, today, swapping has taken on dual connotation of both >swapping and paging, and pure swapping has mostly gone out of style, >as with good paging algorithms, it hardly makes sense. > >Don't be so pedantic -- it's not "bullshit", it's someone without a >classical operating systems education... > >And if you want to get *really* pedantic, you could say that, yes, >Linux *does* occasionally swap -- if all the pages of an executable >are paged out to disk, then the application is technically swapped >out, no? And if you want to get *really* *really* pedantic... BSD also does paging. The above seems to imply it only does swapping which was what SVR2 did I believe. Certainly SCO XENIX SYSTEM V/286 only swapped. > >Cool down -- don't be so righteous. Here Here! > >michaelkjohnson Jo -- Jo Stockley jvs@netcom.com