![]() Protected (medium option) – triple deletion, this writes zeros to the unused state three times.Fastest – The fastest option, this overwrites one set of zeros on the unused portion of the hard drive.The three options for clearing space are as follows: Select the desired wipe level and select “Delete free space” to start replacing the free space on the hard disk.This option is not available on flash-based SSD models (such as those included with the MacBook Air, Retina MacBook Pro) because these drives use the TRIM feature to quickly remove and restore blocks, a side effect that prevents files from recovering automatically fairly quickly - often within 10 minutes. Yes, this only works with traditional rotating disk drives, which are typical of the MacBook Pro, Mac Mini, and iMac, and this applies to most external hard drives used for backup. For most users, this is an unnecessary operation, but if you plan to transfer ownership of a traditional hard drive or computer to someone else and don’t want to format the entire hard drive first, this provides an alternative option that allows you to safely replace and delete only deleted files. OS X DISK HEALTH FREE MAC OS XThe Mac OS X Disk Utility provides the ability to remove free space from traditional hard disks, replacing free disk space on the drive to prevent possible recovery of deleted files (i.e., traditionally deleted files) instead of protected methods). I hope you all like this guide Erase Free Space on a Mac Hard Drive with OS X Disk Utility to Prevent File Recovery. I will try my best so that you understand this guide very well. This guide is about the Erase Free Space on a Mac Hard Drive with OS X Disk Utility to Prevent File Recovery. ![]()
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