electronic_x wrote:
Regarding #3
-Are installing S.O using System Recovery similarly effective in wiping since Vista, or only installing fro CD does he job?
It depends.
Some "recovery partitions" are not exactly "recovery partitions", i.e. some contain a "minimal" PE (or the like) capable of running an install (let's call these "re-install partitions").
These won' t wipe anything, kust like a "plain" install does not wipe anything.
Some "recovery partitions" are actually "recovery partitions", i.e. they contain a "minimal" OS (PE or the like) capable of restoring an image of the whole (or part) of the OS partition.
But - here we are not yet on the same wavelength - if you do #3 (i.e. write 00's to the volume) before, there is NOTHING to be wiped, everything that the install/recovery mechanism can access is already 00.
Admittedly some (NOT *all*, and not even *many*) "recovery partitions" may by themselves wipe the volume(s) thus making the "preventive" #3 unneeded.
electronic_x wrote:
Is there any mode similar to #3 of wiping, when we are speaking of XP, or in that case we have to use DBAN or similar outside the OS in order to wipe?
It is exactly the same as Vista and later, the only difference is that there is not a OS built-in tool and FORMAT does NOT perform any wiping.
There are wiping tools that can run from a booted XP alright, but of course you can not wipe "self".
Which means that, exactly like with Vista and above you will need to use an external dive case/connection and wipe from *another* PC (most times slower).
jaclaz
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