Date: Mon, 2 Apr 2001 13:29:59 -0500 From: "Scot W. Hetzel" <hetzels@westbend.net> To: <r.j.steehouder@student.utwente.nl> Cc: <freebsd-questions@freebsd.org> Subject: Re: [FBSD-Q] Create ISO image from CDROM? Message-ID: <02a101c0bba2$eeb1ce20$7d7885c0@genroco.com> References: <Pine.WNT.4.33.0104021221210.-16663005-100000@rhosgobel>
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From: "Rogier Steehouder" <r.j.steehouder@student.utwente.nl> > Mail from Scot W. Hetzel, sent 31-03-2001: > > > I am trying to create an ISO image from a hybrid CD-ROM (Windows/Mac). But > > when I try to create the image with "dd", I get the following error: > > > > # dd if=/dev/acd0c of=image.iso > > dd: /dev/acd0c: Bad address > > 0+0 records in > > 0+0 records out > > 0 bytes transferred in 2.128974 secs (0 bytes/sec) > > > > How do I create the ISO image file from the CD? > > I recently learned you should specify a blocksize when reading from > CD-ROM: bs=2048. I haven't tried yet and I don't know the exact number > for sure. > Thanks for the tip, I used: dd bs=2048 if=/dev/acd0c of=image.iso and that made a iso image of the CD-ROM. Scot To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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