Mac: How to repair permissions in the system.

1. In OS X Yosemite and earlier, When you have a trouble with the disk in your Mac, you may check if it has the right permission in the system files. You can check easily by sudo diskutil repairPermissions / or Launch Disk Utility ->Select the Disk you want to repair -> Select “First Aid” Read more about Mac: How to repair permissions in the system.[…]

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