> 
> Hi,
> 
> I have a question: If I read a CD image, I use the following command:
> 
>                 dd if=/dev/scd0 of=<some image file>
> 
> I know, there is the "readcd" command. In which cases should I use
> the readcd command instead of dd? Or should I avoid principally
> the usage of the dd command? The usage of dd is a lot faster then
> the usage of readcd.

readcd does not have a problem with the linux-readahead bug.
(trying to read over the boundries of a CD)
And it tries error-correction when reading bad CDs.

Otherwise its almost the same as dd. 

Thomas

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