Date: Tue, 28 Nov 2000 15:18:10 +1030 From: Greg Lehey <grog@lemis.com> To: Cliff Sarginson <cliff@raggedclown.net> Cc: Kenneth Wayne Culver <culverk@wam.umd.edu>, brian william wolter <bwolter@thesadmachine.org>, Jack Morgan <j-morgan@gol.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Linux vs. FreeBsd (reposted) Message-ID: <20001128151810.D36542@echunga.lemis.com> In-Reply-To: <20001128020456.A1701@buffy.local>; from cliff@raggedclown.net on Tue, Nov 28, 2000 at 02:04:56AM %2B0100 References: <Pine.BSF.4.30.0011270213100.7751-100000@linux.thesadmachine.org> <Pine.GSO.4.21.0011271218130.17758-100000@rac5.wam.umd.edu> <20001128020456.A1701@buffy.local>
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On Tuesday, 28 November 2000 at 2:04:56 +0100, Cliff Sarginson wrote: > On Mon, Nov 27, 2000 at 12:19:04PM -0500, Kenneth Wayne Culver wrote: >>> well, 4.4 BSD is (i believe) a direct descendant of System V and the >>> closest you'll find to actual UNIX today. Linux is based largely in >>> Posix. You'll remember that BSD was originally developed using the >>> AT&T code and while it contains no AT&T code today, linux never did. >> >> You have it backwards. System V integrates things from 4.4BSD and from the >> other branch of UNIX (System IV?). >> >> > Everyone is getting close.. but still no cigar .. lol > > Long ago there was the 6th Edition of UNIX, the first available > outside of Bell Labs. It was cute, minute and very fast. It had > a handful of system calls, the original Bourne Shell (which had > a "goto" in it I recall, implemented as an external program). > Then there was the 7th Edition. Everything was made "bigger", > data structure sizes, system calls, tools (like make!) etc.. > It ran like a dead pig on the PDP11's of the time. There wasn't really that much difference between the Sixth and Seventh Editions. > At UCB they took this version and BSD started to grow... > > The 7th Edition didn't last long. The Seventh Edition was still in use ten years later. For many people, it was the "last true UNIX". It was certainly the last UNIX developed entirely at Bell Labs. > BSD became the basis for certain versions of UNIX, most notably > Sunos..aka these days Solaris, and Ultrix (DEC Unix of it's day, > the most awful Unix system ever let loose). > > Most others got based loosely or otherwise on licensed code > from AT&T, and there was always obeissance to the Regents of > the University of California" in the copyright notices. > This is the basis for HP-UX, Dynix/PTX, SCO etc etc... > > So ... without the BSD kernel stuff and other things UNIX would > not be the system it is today. You've omitted the big thing: the Berkeley IP stack. > BSD I gather contains no code from the orginal BSD Unix, No, that's incorrect. It contains no code from the original AT&T Research UNIX. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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