RE: Clear HDD of old OS, etc?
On Friday 31 May 2002 19:28, Dave Price wrote:
> > Hi,
> >
> > I am looking for a quick way to clear an HDD of old data, partitions,
> > etc.
> >
> > I found this on /. thru a google search:
> >
> > dd if=/dev/random of=/dev/hdX
>
> I wouldn't use /dev/random for that. It blocks when it runs out of
> entropy which is very soon in that case. It could take some days to get
> enough data from there. If you insist on pseudo-random data, try
> /dev/urandom. It might not guarantee as much randomness but at least it
> doesn't block.
> BTW: yes|dd of=/dev/hdX
>
Hmm, why not ' if=/dev/zero' ?
That device is made especially for such occasions.
Nok
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