[CentOS] help fdisk and dd

From: Mike McCarty <Mike.McCarty at sbcglobal.net>
> What is the difference between the above two commands?
> Did I miss something?

See my second post where I replaced zero by random...

> I don't know what "n times more secure" means. Could you
> please explain? Does that mean that, with n times as much
> work, one can still recover the information?

That was (still is?) the case...
They say that nowdays once is enough...
And I guess the NSA and co. would like us to believe that... muahahahaaa!!!!  ^_^
If the DoD "considers overwriting acceptable for clearing magnetic media _within the same security area/zone_", there must be a reason.
But yeah, I tend to be a little paranoid most of the times...

JD