Am Dienstag, 23. August 2005 04:29 CEST schrieb Mike Jeays: > On Mon, 2005-08-22 at 20:57, Danny MacMillan wrote: > > Sebastian Pahlke wrote: > > > Hi all, > > > > > > I'm trying to "clean" a disc before selling them: > > > > > > dd if=/dev/zero of=/dev/da0 > > > > You may want to consider using /dev/random instead of, or in > > combination with, /dev/zero. Zeroing out a disk isn't a significant > > barrier to forensic analysis. > > [...] > > Using /dev/random is much, much slower than /dev/zero. > He quoted correctly and his statment wasn't about speed, but about the purpose of the original action; To "clean" discs before selling.... I'm not sure if single-writing nulls or randoms makes any difference; I think it doesn't, but his post wasn't incorrect!
-Harry
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