Uwe Thiem wrote: > On 31 January 2006 15:19, Schleimer, Ben wrote: >> I understand that writing zeros over the file should permenately delete the >> data > > Don't believe people telling that.
Why not? I would believe those people. > The data will still be recoverable Will it? Why is it, that there are no proofs at all that this is actually possible? Or do you have any prove? > The > only way to wipe out data safely is to write different random bit over it > several times. "0" is good enough with modern hardware. That's so, because current harddrives have a much higher "rate" of staying in the track and thus do not write to the "left" or "right" of it. > >> but couldn't the data be cached elsewhere on the drive, especially >> with journalling filesystems?? > > Journalling filesystems are a problem when it comes to wipe out single files. Yes. > Wiping out the whole harddrive is still possible. But not with normal hardware. Alexander Skwar -- Here we are in America ... when do we collect unemployment? -- gentoo-user@gentoo.org mailing list
