On Thu, Jul 15, 2010 at 12:05 -0400, H.S. wrote: > > I have a couple of hard disks in a computer which is to be recycled. I > want the windows OS in it to remain functional, but I want to be sure > that I have deleted all my personal files securely (never used the OS > that much anyway and there is hardly any important info in its registry > or browser). There are a number of documents that were deleted in > Windows the usual way (Shift+del) and I just want to make them > unrecoverable. > > Its first and second partitions (sdc1 and sdc2) are vfat. I was thinking > of mounting these on /mnt/scd1 (and scd2) and then doing: > # dd if=/dev/zero > /mnt/sdc1/zeros.bin; rm -f /mnt/sdc1/zeros.bin > > and the same for scd2. The idea is fill the partition with new data thus > overwriting any deleted files' data that is lying around. Would that be > adequate? The objective is just to prevent a casual recovery, reading > and copying of the data by a future user, so I don't need multiple > over-writes.
Take a look at "secure-delete" which contains "sfill" which can be used
to fill the available free space on a hd with random (and specifically
crafted) data to ensure that data recovery is impossible. I am not sure
if it works with vfat though :-\
good luck
Wolodja
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.''`. Wolodja Wentland <wentl...@cl.uni-heidelberg.de>
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