Re: How to delete files permanently?!?

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Very interesting. I will use it by occassion, 3 is good and far enough, but
there's often that the 'but' thing. Sensitive data is for some period a
sensitive data so using good encryption and good reerase programs and
solutions is sometimes grateful.

Thanks.
Marko

" <smirnoff@xxxxxxxx>
wrote:

Hi,
Is it possible to delete files permanently?
I have deleted files and found them with recover my files program, get
data
program. The program hadn't recovered all through past month files because
it couldn't find them all, but most of my important data has been found by
the program?
That's not how i planed to delete files. :)
We are talking about personal computer and personal data.



It depends on what you mean by "delete files permanently." Are you
asking whether they can absolutely *never* be recovered by anyone
else? Note the following.

1 When you delete a file, it normally goes into the recycle bin. That
"deletes" of it in one sense, but it can be retrieved from the recycle
bin, if the bin hasn't been emptied.

2. Once you empty the recycle bin, you can no longer retrieve files
from it. However a deleted file is still on the disk --just the space
that it used is now marked as available. There exist many different
undelete programs that can still recover the file, until the space is
rewritten.

3. Once it's gone from the recycle bin, you can make the file much
more difficult to recover by using one of the many available programs
that overwrite deleted files multiple times.

4. Even if the space has been overwritten multiple times, there are
sophisticated (and usually very expensive) data recovery techniques
that can still, at least sometimes, find remnants of the deleted file
and recover it.

5. Because of that last point, the US government does not rely on any
software techniques when getting rid of really sensitive data, but
physically melts the drive in a furnace.

For most of us, the technique described in point 3 above is good
enough. But I don't know what your need are.

--
Ken Blake, Microsoft MVP Windows - Shell/User
Please Reply to the Newsgroup


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