[Ilugc] Overwriting hard disk

Arun Khan knura at yahoo.com
Wed Dec 10 23:41:42 IST 2008

On Wednesday 10 Dec 2008, Kapil Hari Paranjape wrote:

> Also if the person who buys your disk wants to analyse it
> magnetically and has the equipment to do so :) then this is not
> enough.

I can see how data can be "recovered" if one just deletes the files from 
the filesystem and not obliterate the contents from the disk platters.

What would the equipment find, if I have written each and every byte on 
the disk with zeros?

Arun Khan

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