[Hidden-tech] Hard Disc Shredding Software Reccommendation?

[Robert Heller]

At Fri, 26 Jan 2007 19:02:45 -0500 CPilch at YourBrandPartnership.com wrote:

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> Can anyone recommend a good hard disc shredding program? Someone offered to
> buy an old PC of mine, and I want to completely wipe all traces of
> confidential client data from the hard disc.

You could get a Linux Live CD (I have several copies of Knoppix -- I can
give you one) and then use dd and /dev/zero:

dd of=/dev/hda1 if=/dev/zero
dd of=/dev/hda2 if=/dev/zero

This will write zero bytes onto those partitions.  Your buyer will have
to reformat all of the partitions (not only will the data be gone, so
will the file system itself).

You *could* just do

dd of=/dev/hda if=/dev/zero

This will completely clobber the partition table too.  You buyer will
need to repartition as well as reformat (and obviously re-install the
O/S). 

>  
>  
> Best regards,
> C
>  
> Christine Pilch
>  
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-- 
Robert Heller             -- 978-544-6933
Deepwoods Software        -- Linux Installation and Administration
http://www.deepsoft.com/  -- Web Hosting, with CGI and Database
heller at deepsoft.com       -- Contract Programming: C/C++, Tcl/Tk