From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fco.J.Ballesteros To: 9fans@cse.psu.edu Subject: Re: [9fans] Virtual memory & paging MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-gqvejzhjamhlcgfakpxjkuiius" Message-Id: <20020205104841.C52B219981@mail.cse.psu.edu> Date: Mon, 4 Feb 2002 12:03:55 +0100 Topicbox-Message-UUID: 4ba4199c-eaca-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-gqvejzhjamhlcgfakpxjkuiius Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit It still uses to be made; at least that's what I tell my students. --upas-gqvejzhjamhlcgfakpxjkuiius Content-Type: message/rfc822 Content-Disposition: inline Received: from mail.cse.psu.edu ([130.203.4.6]) by aquamar; Mon Feb 4 12:02:14 MET 2002 Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.18.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 36AD5199E8; Mon, 4 Feb 2002 06:02:06 -0500 (EST) Delivered-To: 9fans@cse.psu.edu Received: from lavoro.home.cs.york.ac.uk (public1-york1-5-cust17.leed.broadband.ntl.com [80.0.45.17]) by mail.cse.psu.edu (CSE Mail Server) with SMTP id 588D119999 for <9fans@cse.psu.edu>; Mon, 4 Feb 2002 06:01:39 -0500 (EST) To: 9fans@cse.psu.edu Subject: Re: [9fans] Virtual memory & paging From: forsyth@caldo.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Message-Id: <20020204110139.588D119999@mail.cse.psu.edu> Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.8 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Help: List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Mon, 4 Feb 2002 10:59:30 0000 I don't know that anyone else makes this distinction, but to me virtual memory is a technique an operating system can use to manage user memory, while paging is a technique for coping with a shortfall in physical memory. VM manages memory by using page faults to fill in it's a distinction that certainly used to be made when teaching operating systems. --upas-gqvejzhjamhlcgfakpxjkuiius--