Re: Obtaining a CD image

[Alexander Frolkin <alexander@frolkin.demon.co.uk>]

On Thu, Nov 02, 2000 at 01:26:44PM -0800, Seth Arnold wrote:
> * Alexander Frolkin <alexander@frolkin.demon.co.uk> [001102 13:20]:
> > dd if=/dev/xxx of=cd_image
> > 
> > which works fine. Last time I tried this under OpenBSD (with xxx replaced by
> > cd0c), it didn't stop when it got past the end of the CD - the output grew
> > to over 1Gb.
> 
> If it were me, the next thing I would try would be using
> bs=${1024*1024} and count=640 (or whatever your particular CD is.) Check
> out dd(1) for more information, and possible solutions.

I've thought of that, but how do I find out the value I need for count= ?

TIA,
Alexander