Go to Disk Utility -> Erase, and click the Options button to select "8 Way Random Write Format" to write random data over the entire disc eight times!
I don't know if it is "military grade," but it's good enough for me. Just saved me from having to buy another app!
I don't know if it is "military grade," but it's good enough for me. Just saved me from having to buy another app!
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[7,908 views]

