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1996-12-14 - Re: Secure Erase for PCs?

Header Data

From: proff@suburbia.net
To: ghio@myriad.alias.net (Matthew Ghio)
Message Hash: 81d5f0ab1dc7b9600829666847bd1a36ee9114d352c1f52729aa63d77c01cb34
Message ID: <19961214205552.1079.qmail@suburbia.net>
Reply To: <199612141959.OAA00409@myriad>
UTC Datetime: 1996-12-14 20:56:13 UTC
Raw Date: Sat, 14 Dec 1996 12:56:13 -0800 (PST)

Raw message

From: proff@suburbia.net
Date: Sat, 14 Dec 1996 12:56:13 -0800 (PST)
To: ghio@myriad.alias.net (Matthew Ghio)
Subject: Re: Secure Erase for PCs?
In-Reply-To: <199612141959.OAA00409@myriad>
Message-ID: <19961214205552.1079.qmail@suburbia.net>
MIME-Version: 1.0
Content-Type: text/plain


> Dale Thorn <dthorn@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
+ sync;df >/dev/null
> rm /tmp/fill
> @ n = $n + 1
> if ( $n < 30 ) then
>   goto loop
> endif
> 

and it just might work.

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