From owner-freebsd-questions@FreeBSD.ORG Sat Jun 12 13:08:27 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 20E8216A4CE for ; Sat, 12 Jun 2004 13:08:27 +0000 (GMT) Received: from smtp.infracaninophile.co.uk (ns0.infracaninophile.co.uk [81.2.69.218]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B29E43D45 for ; Sat, 12 Jun 2004 13:08:26 +0000 (GMT) (envelope-from m.seaman@infracaninophile.co.uk) Received: from happy-idiot-talk.infracaninophile.co.uk (localhost [IPv6:::1]) i5CD674O062903 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 12 Jun 2004 14:06:07 +0100 (BST) (envelope-from matthew@happy-idiot-talk.infracaninophile.co.uk) Received: (from matthew@localhost)id i5CD674r062902; Sat, 12 Jun 2004 14:06:07 +0100 (BST) (envelope-from matthew) Date: Sat, 12 Jun 2004 14:06:07 +0100 From: Matthew Seaman To: Grauwmans Steven Message-ID: <20040612130607.GB62427@happy-idiot-talk.infracaninophile.co.uk> Mail-Followup-To: Matthew Seaman , Grauwmans Steven , freebsd-questions@freebsd.org References: <000001c45054$39e06a20$5f7fa551@gezin> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="NMuMz9nt05w80d4+" Content-Disposition: inline In-Reply-To: <000001c45054$39e06a20$5f7fa551@gezin> User-Agent: Mutt/1.5.6i X-Greylist: Message not sent from an IPv4 address, not delayed by milter-greylist-1.3.8 (smtp.infracaninophile.co.uk [0.0.0.0]); Sat, 12 Jun 2004 14:06:08 +0100 (BST) X-Virus-Scanned: clamd / ClamAV version devel-20040604, clamav-milter version 0.71c on smtp.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, hits=-4.8 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on happy-idiot-talk.infracaninophile.co.uk cc: freebsd-questions@freebsd.org Subject: Re: What's the big difference between Linux and Unix?? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jun 2004 13:08:27 -0000 --NMuMz9nt05w80d4+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 12, 2004 at 10:06:49AM +0200, Grauwmans Steven wrote: > Linux is UNIX, but why is Fedora Core a Linux and FreeBSD a UNIX? > I searched on the internet for an answer, but after visiting 10 sites I > gave up. > If U could please help me, I'm getting confused. Because FreeBSD code is derived from the 4.4 BSD release by the CSRG at Berkeley, and they developed their code based on Unix code from AT&T who were the original authors of Unix. =20 Linux on the otherhand was a cleanroom implementation of a unix-like operating system not incorporating any code from previous Unix systems. (Despite what SCO is claiming, which IMHO is a load of tosh). Mind you, there has been significant cross fertilization between Linux, the BSD and SysV Unix camps. I tend to think that Linux passes the duck test as far as being a Unix variant, and that it should be known as such. I also think that the unix vs Unix(TM) distinction -- i.e. whether the OS has licensed code from AT&T or it's heirs -- is pretty much irrelevant nowadays. For more detail that you could possibly want about the descent of Unix, see: http://www.levenez.com/unix/ (Very much up-to-date, that site -- already mentions FreeBSD 4.10.) Cheers, Matthew --=20 Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way PGP: http://www.infracaninophile.co.uk/pgpkey Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK --NMuMz9nt05w80d4+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAyv+/iD657aJF7eIRAp2UAJ46K81SodQgFVcm+RQw0Z6ILULppQCaAkyb LGxev3EBNKjCIN6K9rSqMXQ= =ExJC -----END PGP SIGNATURE----- --NMuMz9nt05w80d4+--