------=_NextPart_001_0002_01C289D1.6E5C5430 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The if=3D/dev/cdrom is the CD inside the CDROM containing the data I wish= to copy. Then what is of=3D/target/dir/file.iso? If I understand, file.iso is the data that is copied to this directory. If so, can I then copy the data to a CD burner? Like a USB burner? HP...= . Regards, Darren ----- Original Message ----- From: Voltage Spike Sent: Monday, November 11, 2002 5:34 PM To: plug-discuss@lists.plug.phoenix.az.us Subject: Re: Copy iso Disk -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Friday, November 8, 2002, at 02:22 PM, Carl Parrish wrote: > Okay I want to copy an ISO image. Can I do something like > dd if=3D/dev/cdrom of=3D/target/dir/ iso9660 > Or would I be better off Coping the disk then using mkiso? As Bill Jonas pointed out, this will not copy bootable CDs. Using =20 mkisofs will not result in "bit-perfect" copies, either(1). Your =20 method is the best one that I know of with the exception that you need =20 to provide a file: dd if=3D/dev/cdrom of=3D/target/dir/file.iso If you are copying a Linux installation CD this is _highly_ recommended =20 since it will retain the ability to boot and the MD5 hash (available =20 from the publisher) will still match with the new CD. (1) The individual files will be the same, but their position on the =20 disk may be different. This is usually not a problem, but it can be =20 with certain copy restriction algorithms. You also lose the CD's =20 label/name with mkisofs unless you take extra steps to provide it. - -- =20 Voltage Spike ,,, (. .) - --ooO-(_)-Ooo-- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (Darwin) iD8DBQE90ExipNoctRtUIRQRAmNVAJ4iALixK6x4zDJnHRZr4vKolQvWmgCghJ6F hypEg/WP6nxRJOf6ODg5oyo=3D =3DqIIR -----END PGP SIGNATURE----- -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss ------=_NextPart_001_0002_01C289D1.6E5C5430 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The if=3D/dev/= cdrom is the CD inside the CDROM containing the data I wish to copy.

Then what is of=3D/target/dir/file.iso?

If I understand, file.iso is the data that is copied to this directory= .

If so, can I then copy the data to a CD burner? L= ike a USB burner? HP....

R= egards,

Darren

----- O= riginal Message -----

From: Voltage Spike

Sent: Monday, November 11, 2002 5:34 PM

To: plug-discuss@lists.plug.phoenix.az.u= s

Subject: Re: Copy iso Disk=

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1<= BR>
On Friday, November 8, 2002, at 02:22 PM, Carl Parrish wrote:
<= BR>> Okay I want to copy an ISO image. Can I do something like
>= dd if=3D/dev/cdrom of=3D/target/dir/ iso9660
> Or would I be bette= r off Coping the disk then using mkiso?

As Bill Jonas pointed out,= this will not copy bootable CDs. Using
mkisofs will not result= in "bit-perfect" copies, either(1). Your
method is the best on= e that I know of with the exception that you need
to provide a file:<= BR>
dd if=3D/dev/cdrom of=3D/target/dir/file.iso

If you are cop= ying a Linux installation CD this is _highly_ recommended
since it wi= ll retain the ability to boot and the MD5 hash (available
from the pu= blisher) will still match with the new CD.

(1) The individual file= s will be the same, but their position on the
disk may be different.&= nbsp; This is usually not a problem, but it can be
with certain copy = restriction algorithms. You also lose the CD's
label/name with = mkisofs unless you take extra steps to provide it.

- --
= &= nbsp; &n= bsp; &nb= sp; &nbs= p; Voltage Spike ,,,
&nbs= p; (. .)
- --ooO-(_)-Ooo--

-----BEGIN PGP SIGNATURE-----
Ver= sion: GnuPG v1.0.7 (Darwin)

iD8DBQE90ExipNoctRtUIRQRAmNVAJ4iALixK6= x4zDJnHRZr4vKolQvWmgCghJ6F
hypEg/WP6nxRJOf6ODg5oyo=3D
=3DqIIR
--= ---END PGP SIGNATURE-----

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