[TriLUG] cp of /dev hangs, but not tar

[Joseph Mack NA3T]

On Tue, 19 Jun 2007, Michael Tharp wrote:

> No, but there are plenty of finitely-sized device nodes that contain
> useful data. For example. you could `cp --copy-contents /dev/cdrom
> foobar.iso`, although for this purpose I usually utilize dd.

OK so cp can do the same job as dd (under the right 
circumstances). Why do you "usually" use dd? Is there some 
other wrinkle?

Thanks Joe


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Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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