copying video dvds

[Ananda Samaddar]

On Tue, 06 Aug 2013 18:19:28 -0600
smcg4191 at frii.com wrote:

> I generally mount and then use "cp" to copy my video dvds to
> hard disk for convenience.  99% of the time this works fine
> and the resulting directory is playable by vlc, etc.  
> However occasionally I'll get an "Input/output error" when
> copying a disc that vlc played fine and, unsurprisingly,
> there are problems when later trying to play the copy.
> 
> I suspect that vlc makes use of error correction capabilities
> on the dvd, whereas "cp" doesn't.
> 
> Is there some way or tool that will make a copy of the dvd 
> using (or at last preserving in the copy so that vlc can use)
> the error correction stuff on the dvd so that the copy is
> playable even when there are some errors? 

You should use the following command:

dd if=/dev/<insert dvd device here> of=dvd.iso

Ananda