From owner-freebsd-hackers Sun May 28 7:47:47 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.40.131]) by hub.freebsd.org (Postfix) with ESMTP id 6DBA237B76F for ; Sun, 28 May 2000 07:47:41 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.9.3/8.9.3) with ESMTP id QAA21051; Sun, 28 May 2000 16:47:30 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: bpechter@shell.monmouth.com Cc: freebsd-hackers@FreeBSD.ORG, dhh@androcles.com Subject: Re: Linux and FreeBSD dual universe In-reply-to: Your message of "Sun, 28 May 2000 06:41:58 EDT." <200005281042.GAA54833@bg-tc-ppp32.monmouth.com> Date: Sun, 28 May 2000 16:47:29 +0200 Message-ID: <21049.959525249@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <200005281042.GAA54833@bg-tc-ppp32.monmouth.com>, Bill Pechter write s: >> Date: Thu, 25 May 2000 09:42:51 -0700 (PDT) >> From: "Duane H. Hesser" >> Subject: Re: FreeBSD kernel as a replacement for Linux kernel >> >> Anyone remember the old Pyramid OSX 'universe' command? >> >> command like "att ls", or even "att cc ....". The universe was >> marked by a flag which affected the interpretation of "conditional >> symbolic links". A separate syscall was available to create It did nøt use variant symbolic links, it used a namei hack. If you had a directory containing: . .. .ucbfoo .attfoo bar and you were in universe "ucb" you would see: . foo bar where "foo" would take you to ".ucbfoo" it was that simple. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD coreteam member | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message