Date: Sun, 22 Jul 2012 05:38:08 -0500 (CDT) From: Robert Bonomi <bonomi@mail.r-bonomi.com> To: freebsd-questions@freebsd.org Subject: Re: fsck on FAT32 filesystem? Message-ID: <201207221038.q6MAc8kW022215@mail.r-bonomi.com> In-Reply-To: <BF.8B.02728.15DCB005@smtp02.insight.synacor.com>
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> Date: Sun, 22 Jul 2012 05:52:17 -0400 > From: "Thomas Mueller" <mueller23@insightbb.com> > Subject: Re: fsck on FAT32 filesystem? > > Regarding the security of various methods of deleting data, I just saw in > Office Depot's online ad for the coming week, which is the reason I > couldn't post this any earlier: > > Need to discard an old PC but worried about protecting your identity? > > Let us securely erase your personal files and pictures for only $49.99. > > We use the only permanent data deletion software certified by NIAP, used > by the Department of Defense and Fortune 500 Companies. > > (quoting verbatim but formatting not preserved) > > URL was > > http://officedepot.shoplocal.com/OfficeDepot/BrowseByPage?storeid=2501355&; > promotionviewmode=1&promotioncode=OfficeDepot-120722&listingid=0&sneakpeek > =N# > > Personally, I'd save the money, time and gasoline too, and use dd > if=/dev/zero of=/dev/(disk-to-be-deleted) bs=1M > > from FreeBSD or other (quasi)-Unix OS. Needless to say, that approach doesn't work under Windows. <grin> For *most* users, that approach _is_ probably adewuate. *if* the have the know-how to use it. However, for a _lot_ of end users, the situation is not quite that simple. Trying to wipe the disk that the O/S is running from is fraught with unexpected failure modes. Lots of 'end user' machines have only _one_ drive in them, and the users do not have any other 'bootable' media available, that they know how to use.
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