Leave 15% of Macintosh hard disks free

Learned this the hard way…

A little known rule of thumb about how much space you *really* have on a Macintosh hard disk (HFS+ format).

Leave 15% of your available disk space free!

Your 100 GB disk won’t function well (or worse) if you use more than 85 GB of it. Apparently it needs that 15% to manage files correctly; if it doesn’t have it, your data is at risk.

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One Response to Leave 15% of Macintosh hard disks free

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