[TUHS] /dev/drum

Nemo cym224 at gmail.com
Tue Apr 24 23:01:34 AEST 2018

On 24 April 2018 at 05:57, Dave Horsfall <dave at horsfall.org> wrote:
> A well-known question in the security field, for instance, is how do you
> know that you have *really* erased that disk?  The thing can lie as much as
> it likes, and you'll never know for sure.

That reminds of an old mil-spec that told you how to dispose of
disc-packs by grinding down the platters by hand, what grit of paper
to use, which directions, and how often.  (Exact number escapes me.)


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