From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: David Presotto To: 9fans@cse.psu.edu Subject: Re: [9fans] hierarchical filesystems for non-file things? In-Reply-To: <200403260905.i2Q95kfs076757@adat.davidashen.net> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-vfnissluuulnejdmnnhavmmpce" Date: Fri, 26 Mar 2004 07:35:54 -0500 Topicbox-Message-UUID: 433ed348-eacd-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-vfnissluuulnejdmnnhavmmpce Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Depends on what you want to call that which Unix did. We stuck the proc file system there before there was a plan 9. Also, Unix had devices as files, though a hierarchy of 1 is not that general. There were various file systems on Unix, like the semantic file system, that represented more than just files. I remember similar things also presented in Usenix over the years. Then there was the Mumps computer system at the Mas General Hosp built in 1969. It was a system that presented an integrated language and database where everything available to the language was a persistent object. Not hierarchical though. --upas-vfnissluuulnejdmnnhavmmpce Content-Type: message/rfc822 Content-Disposition: inline Received: from plan9.cs.bell-labs.com ([135.104.9.2]) by plan9; Fri Mar 26 04:15:30 EST 2004 Received: from mail.cse.psu.edu ([130.203.4.6]) by plan9; Fri Mar 26 04:15:27 EST 2004 Received: by mail.cse.psu.edu (CSE Mail Server, from userid 60001) id 598DD19E62; Fri, 26 Mar 2004 04:15:02 -0500 (EST) Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.4.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 7AF4819B28; Fri, 26 Mar 2004 04:14:56 -0500 (EST) X-Original-To: 9fans@cse.psu.edu Delivered-To: 9fans@cse.psu.edu Received: by mail.cse.psu.edu (CSE Mail Server, from userid 60001) id B8B4A19E62; Fri, 26 Mar 2004 04:07:01 -0500 (EST) Received: from adat.davidashen.net (unknown [217.113.20.242]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 4B65919C64 for <9fans@cse.psu.edu>; Fri, 26 Mar 2004 04:06:59 -0500 (EST) Received: from adat.davidashen.net (localhost.davidashen.net [127.0.0.1]) by adat.davidashen.net (8.12.8p1/8.12.8) with ESMTP id i2Q95k1b076758 for <9fans@cse.psu.edu>; Fri, 26 Mar 2004 13:05:46 +0400 (AMT) (envelope-from dvd@adat.davidashen.net) Received: (from dvd@localhost) by adat.davidashen.net (8.12.8p1/8.12.8/Submit) id i2Q95kfs076757 for 9fans@cse.psu.edu; Fri, 26 Mar 2004 13:05:46 +0400 (AMT) From: David Tolpin Message-Id: <200403260905.i2Q95kfs076757@adat.davidashen.net> To: 9fans@cse.psu.edu Subject: Re: [9fans] hierarchical filesystems for non-file things? In-Reply-To: <78f16f84fb0fd7bbd231afba600bce13@vitanuova.com> Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.11 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Fri, 26 Mar 2004 13:05:46 +0400 (AMT) X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on psuvax1.cse.psu.edu X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-Spam-Level: Is the use of a uniform hierarchical (filesystem-like) representation for various non-filesystem things an invention brought with Plan 9? --upas-vfnissluuulnejdmnnhavmmpce--