> you'd only get back your own deleted data That depends: if the operation was on a floppy you got from someone else, that data might very well be theirs. > N

> you'd only get back your own deleted data That depends: if the operation was on a floppy you got from someone else, that data might very well be theirs. > NTFS has a "zero fill" flag True, but irrelevant: the Windows API guarantees the "seeking to an offset greater than the file length and then writing anything, including nothing, will fill the intervening bytes with zeroes" behavior. How this translates to the underlying file system (which may very well not be NTFS) is an implementation detail.