Re: secure erasure of files?

[Jan Hudec]

> I don't know if any filesystem currently relocates blocks if you
> overwrite a file, but it's certainly possible and allowed (everything
> else except the filesystem itself simply must not care where the data
> actually ends up on the disk).

AFAIK, ext2 tries to defragment files when possible. Thus if the file was
fragmented and the blocks after some fragment are free, it will use these
instead of the original ones somewhere far apart.

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                  				- Jan Hudec `Bulb' <[e-mail]>