> 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.
'badblocks -w' does this multiple times. So someone could use badblocks to
do a secure deletion ...
- clifford
-- -- -- -- -- -- -- -- -- -- -- -- --
Clifford Wolf (CEO and CTO)
The ROCK Projects Workgoup IRC: IRCnet / clifford
http://www.rock-projects.com/ http://www.clifford.at/
e-mail: c.wolf@rock-projects.com email: god@clifford.at
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