Messages in this thread | | | Date | Tue, 22 Dec 1998 10:48:58 -0500 | From | Dave Cinege <> | Subject | Re: Wanted: Secure-delete utility for Linux |
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Charles Cazabon wrote: > > Actually, it's all-bits-zero, all-bits-one, all-bits-zero. This prevents > people from reading the previous data from residual magnetic fields underneath > a disk which has simply been wiped with zeroes, etc. The complete cycle for > each bit is enough to minimize this risk.
Hmmm I guess we need a /dev/one? (Actually not a bad thing to have)
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