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Apple Computing Products:
macOS - Operating System
free space cleaner for Mac OS X?
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<blockquote data-quote="pigoo3" data-source="post: 905419" data-attributes="member: 56379"><p>Good job! As you probably found...Disk Utility is capable of doing an "over-write free space" operation where it can do a 1, 7, or 35 times over-write of the free space by writing zero's to the disk. With the 7x overwrite exceeding the US DOD (Department of Defense) specification for security.</p><p></p><p>Of course the 7x & 35x overwrite takes that many times longer to complete vs. the 1x.</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 905419, member: 56379"] Good job! As you probably found...Disk Utility is capable of doing an "over-write free space" operation where it can do a 1, 7, or 35 times over-write of the free space by writing zero's to the disk. With the 7x overwrite exceeding the US DOD (Department of Defense) specification for security. Of course the 7x & 35x overwrite takes that many times longer to complete vs. the 1x. - Nick [/QUOTE]
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Apple Computing Products:
macOS - Operating System
free space cleaner for Mac OS X?
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