Secure Erase for PCs?

[Matthew Ghio]

Dale Thorn <dthorn at gte.net> wrote:
> It's a hundred times easier to do tools for the IBM PC.  I make
> utilities for the PC, and it would take no more than ten or fifteen
> minutes to cook this one up.

It took me less than ten minutes...

> But nobody answered my question:  Is there a shortcut way to do the
> wipe, say, thirty times?  Ordinarily, I'd run the program thirty
> times, which would consist of a data write followed by a flush,
> which would take 30x amount of time.

Try this in Linux...

#!/bin/csh
set n=1
loop:
cat /dev/urandom >/tmp/fill
rm /tmp/fill
@ n = $n + 1
if ( $n < 30 ) then
  goto loop
endif