From owner-freebsd-questions Sun Dec 22 16:25:55 2002 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 7655A37B401 for ; Sun, 22 Dec 2002 16:25:54 -0800 (PST) Received: from fep03-mail.bloor.is.net.cable.rogers.com (fep03-mail.bloor.is.net.cable.rogers.com [66.185.86.73]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7CEAD43EE5 for ; Sun, 22 Dec 2002 16:25:53 -0800 (PST) (envelope-from mj001@rogers.com) Received: from rogers.com ([24.101.253.54]) by fep03-mail.bloor.is.net.cable.rogers.com (InterMail vM.5.01.05.06 201-253-122-126-106-20020509) with ESMTP id <20021223002526.YFK148587.fep03-mail.bloor.is.net.cable.rogers.com@rogers.com> for ; Sun, 22 Dec 2002 19:25:26 -0500 Message-ID: <3E06580B.10001@rogers.com> Date: Sun, 22 Dec 2002 19:25:47 -0500 From: Mike Jeays User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.0.1) Gecko/20021005 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-questions@FreeBSD.ORG Subject: Re: Copying a CD References: <3E05272A.50201@rogers.com> <20021222211700.GB16677@sylvester.dsj.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH PLAIN at fep03-mail.bloor.is.net.cable.rogers.com from [24.101.253.54] using ID at Sun, 22 Dec 2002 19:25:26 -0500 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 David S. Jackson wrote: >On Sat, Dec 21, 2002 at 09:44:58PM -0500 Mike Jeays wrote: > > >>How can I use dd to copy a CD? The command below does not >>work - I presume I have failed to understand something. I have tried other >>devices begining "acd". >> >>209 ~# dd if=/dev/acd0c of=x1 >>dd: /dev/acd0c: Invalid argument >>0+0 records in >>0+0 records out >>0 bytes transferred in 0.000219 secs (0 bytes/sec) >>210 ~# >>211 /dev# ls -l acd* >>crw-r----- 4 root operator 0,13568 Dec 21 2002 19:33 acd0a >>crw-r----- 4 root operator 0,13568 Dec 21 2002 19:33 acd0c >>212 /dev# ls -l racd* >>crw-r----- 4 root operator 0,13568 Dec 21 2002 19:33 racd0a >>crw-r----- 4 root operator 0,13568 Dec 21 2002 19:33 racd0c >>213 /dev# >> >> > >What kind of data is on the CD? Whether or not you can/should use dd >depends on what you're trying to do and with what kind of CD. Make sure >you read chapter 12.5 of the FreeBSD handbook. > > > It is a data CD. "bs=2048" was what I needed. My thanks to all who made suggestions. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message