Re: Inquiry:How to totally wipe out the entire hard drive

[Sven Joachim <svenjoac@gmx.de>]

On 2009-09-06 21:12 +0200, John Hasler wrote:

> Napoleon writes:
>> Overwriting with zeros (or ones) once is not at all secure.  It can
>> easily be nearly 100% recovered by someone with the necessary
>> equipment, even more so on a modern drive.
>
> Please provide evidence that anyone has ever done this on a modern
> drive.

Jumping into that discussion, here is evidence that this is not possible
with modern drives:

http://www.h-online.com/news/Secure-deletion-a-single-overwrite-will-do-it--/112432

So, anyone who wants to sell his hard disk can just use
"dd if=/dev/zero ..." and be done with it.

Sven