When I say 'delete' I mean wipe off the disk completely. I'm not 100% sure how to do this, but would it work if I just opened the said file for output and wrote a load of 0's to it?
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When I say 'delete' I mean wipe off the disk completely. I'm not 100% sure how to do this, but would it work if I just opened the said file for output and wrote a load of 0's to it?
Not guaranteed. The system might relocate the file.
I don't know how disk scrubbers work, but you can expect them to have some kind of device driver in the background to do the direct hardware access they probably need for them.
The last copy that may be transfered to another location would probably contain the zeros instead of the initial data.
Yes, but the original location of the file would then still contain the old data of the file.