When a file with the `s' attribute set is deleted, its
blocks are zeroed and written back to the disk.
Jose Carlos Benfati
ZZP Consultoria
http://zzp.com.br
On Tue, 22 Dec 1998 penang.island@usa.net wrote:
> In the olden days of DOS, where there was no Linux, no Windoze nor swapfiles,
> the (pre-Symantec) Norton Utilities came with a utility file called
> WIPEFILE.EXE, which did a wonderful
> rewrite-at-least-three-times-before-delete-the-file job (and according to Norton
> Utilities at that time, that procedure was conformed to DOD's security
> requirement) on any files you really wanted to get rid for good.
>
> There was also a related utility file called WIPEDISK.EXE, which did a good job
> not only wipe-the-entire-disk, as its name implied, but could be also used to
> wipe all the "empty spaces" on the disk, using a similar
> rewrite-at-least-three-times-before-delete-the-disk(space) procedure, in
> accordance to the DOD security requirement.
>
> Now we have Linux, swapfiles and Windoze, but the little DOD-conforming
> WIPEFILE.EXE and WIPEDISK.EXE are no longer available.
>
> I have finally gotten my company's systems all running Linux, and there are
> times when files containing sensitive informations are being "deleted", I really
> wished that I have a "wipefile(/disk).exe-compatible" utility on hand so I can
> be assured that sensitive informations contained in those "deleted" files are
> safe from prying eyes.
>
> Question: Is there such utility for Linux?
>
> If so, what is its name and where can I get it?
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