From owner-freebsd-questions Wed Feb 26 8:48:26 2003 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 8A4AB37B401 for ; Wed, 26 Feb 2003 08:48:25 -0800 (PST) Received: from mired.org (ip68-97-54-220.ok.ok.cox.net [68.97.54.220]) by mx1.FreeBSD.org (Postfix) with SMTP id AFA3143F85 for ; Wed, 26 Feb 2003 08:48:23 -0800 (PST) (envelope-from mwm-dated-1046710102.65f571@mired.org) Received: (qmail 31657 invoked from network); 26 Feb 2003 16:48:22 -0000 Received: from localhost.mired.org (HELO guru.mired.org) (127.0.0.1) by localhost.mired.org with SMTP; 26 Feb 2003 16:48:22 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15964.61397.904986.726598@guru.mired.org> Date: Wed, 26 Feb 2003 10:48:21 -0600 To: Konrad Heuer Cc: Brian Henning , freebsd Subject: Re: rfd0 fd0 In-Reply-To: <20030226133214.F29371-100000@gwdu60.gwdg.de> References: <15963.37824.912975.511372@guru.mired.org> <20030226133214.F29371-100000@gwdu60.gwdg.de> X-Mailer: VM 7.07 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`; h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ From: Mike Meyer X-Delivery-Agent: TMDA/0.70 (Pensive) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In <20030226133214.F29371-100000@gwdu60.gwdg.de>, Konrad Heuer typed: > On Tue, 25 Feb 2003, Mike Meyer wrote: > > In <20030225083805.S29371-100000@gwdu60.gwdg.de>, Konrad Heuer typed: > > > On Mon, 24 Feb 2003, Brian Henning wrote: > > > > what is the difference between these two devices? > > > fd0 ist a block-oriented device, data are cached in the buffer cache; > > > rfd0 is a byte-oriented raw device; data are always read from or > > > immediately written to the device. > > This is out-of-date information. Both fd0 and rfd0 are raw character > > devices these days. The old names were kept around for backwards > > compatability, but there is no difference between them. > What does it mean - "these days"? When did the change occur? I'm not sure. 4.6 sounds right, but might not be. To get exact details, check the CVS logs. I'd check /dev/MAKEDEV. http://www.mired.org/consulting.html Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message