RE: Erasing a hard disk easily

["Jos Osborne" <Jos () meltemi co uk>]

> However i have been informed that equipment exists to retrieve data that programs on a normal >system cannot. Hence 
> the writing multiple times with all 0 then all 1 then all 0 will cycle >>the disk so that it is virtually impossible 
> to determine the residual data (please note all >1 means all bits are 1).
>
> My two bits

0 and 1 by any chance?

;P

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