dd cd image

[Kevin Kobb]

Osmany Guirola Cruz wrote:
> Hi people
>  I am trying to do an iso image of DATA CD and i am using this command line
> 
> %dd if=/dev/acd0 of=cd.iso
> and this is the error
> 
> dd: /dev/acd0: Invalid argument
> 0+0 records in
> 0+0 records out
> 0 bytes transferred in 0.000304 secs (0 bytes/sec)
> 
> 
> How can i made and iso image of a data cd ?
> 
> 
> 
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I think if you specify a block size (bs=2k or greater) it will work.