Darik’s Boot and Nuke

(“DBAN”) is a self-contained boot floppy that securely wipes the hard disks of most computers. DBAN will automatically and completely delete the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction.

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Download the Floppy or CDR/CDRW version.

Great disk to have laying around if you suspect the Feds might knock on your door. I dropped this in th ‘Entertainment’ category for you mean SOB’s out there that would use something like this to play a joke on someone.