On Mon, 10 Feb 2003 at 01:24:29PM +0100, Alberto Cort?s wrote:
> cp, dd and every command use the system calls, and system calls use
> the drivers, and i am not sure the drivers don't modify "structure".

dd, cat, etc. do modify the structure.  One common way I rip an ISO is:

cat /dev/cdrom > myfile.iso

The geometry of the HD and the cdrom are almost certainly different.


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