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MacOS Sierra 10.12.6 shows System 123.8GB

Unsure why the system has 123.81G or 49.37% of the overall flash storage....

It doesn't. This is just category error from what you are using. These categories are meaningless unless the files in them have been chosen based on common file extensions. That will only be correct for your system immediately after it has been sorted by Spotlight. These categories are not needed. All you really need is:

Get Correct Storage Information

Do not use the information from the Storage section of the About This Mac dialog. Ignore the Storage information as it is typically wrong. To find out the correct information for any disk: Select a Desktop disk icon. Press Command-I to open the Get Info window and look at the topmost panel displayed. You will find the disk information displayed for Capacity, Available, and Used. If you have more than one disk/partition then repeat for each one on your Desktop.

If you need to clear out unwanted files, then see:

How to Free Up Space on The Hard Drive

1. You can remove data from your Home folder except for the /Home/Library/ folder.
2. Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive.
3. Also, see Freeing space on your Mac OS X startup disk.
4. Free up storage space on your Mac.
5. See Where did my Disk Space go?.
6. Be sure to Empty the Trash to recover the space.
7. Replace the drive with a larger one. Check out OWC for drives, tutorials, and toolkits.
8. Use OmniDiskSweeper or GrandPerspective to search your drive for large files and where they are located.

最后更新：2017-10-04 12:12:22

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