On Sat, Jan 9, 2010 at 11:09 PM, Aryeh Gregor
<[email protected]<simetrical%[email protected]>
> wrote:

> On Fri, Jan 8, 2010 at 9:40 PM, Anthony <[email protected]> wrote:
> > Isn't that what the system immutable flag is for?
>
> No, that's for confusing the real roots while providing only a speed
> bump to an actual hacker.  Anyone with root access can always just
> unset the flag.  Or, failing that, dd if=/dev/zero of=/dev/sda works
> pretty well.
>

Depends on the machine's securelevel.
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