How to use Terminal to securely erase free space on a Mac’s mechanical driveIf you’re selling an old Mac with a hard drive, a spare hard drive, or you’re just quite paranoid about your deleted data, you’re either familiar with—or should be familiar with—the Erase Free Space button on the Erase tab in Disk Utility (found in your Applications -> Utilities folder). Editor’s note: This Terminal tip originally […]
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How to use Terminal to securely erase free space on a Mac’s mechanical drive
