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Do you need to defragment a Mac’s hard drive? About: Macs explains how your Mac is capable of defragmenting your hard drive on its own, without any intervention by you.
Tim St. Clair's profile photoVinay Siddavanahalli's profile photo
Linux also doesn't need to be defragmented, not sure if it has all those same features though. (I wouldn't be surprised if it does)
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