Overwrite all addressable locations with a character, its complement, then a random character and verify. Overwrite all addressable locations with a single character.ĭ. Removable Rigid Disk a, b, or c a, b, d, or mĬ. ![]() NOTE: I edited this info to limit to relevant media. Maintenance” which I think is the relevant section here. The relevant US DoD 5220.22M standard as best I can tell is at: However, for those who want to take the time to be absolutely clean…. You should only do this if you have a backup or you are sure you will never need the data again.” Note: When you securely empty the Trash, the deleted data cannot be recovered by disk utilities.
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