Tucked away in the Utilities folder, Disk Utility and its First Aid feature can be used to check if a disk is damaged and repair it, create a disk image, partition a disk, and so much more
How to verify and repair Mac Yosemite disk permissions and May 14, 2019 Using Disk Utility To Repair Permissions/Perform First Aid Open Disk Utility, which is in the Utilities folder within your Applications folder. Select the Hard Drive you would like to check from the list of volumes. Click the First Aid tab. To check for incorrect permissions, click Verify Disk Permissions. Once the verification is finished, click Repair Disk Permissions to repair the incorrect permissions. Can't repair disk permissions | MacRumors Forums Jun 03, 2013
Repairing permissions: What you need to know | Macworld
Resetting NTFS files security and permission in Windows Jun 14, 2009 macOS OS 10.14 Mojave problems and how to fix them | TechRadar
Repair disk permissions to speed up your Mac. It won't cure all of your Mac's ills, but a quick and easy first step toward bringing a sluggish Mac back to health is using OS X's Disk Utility to
Dec 31, 2010 macos - "Repair Disk Permissions" doesn't seem to repair I tried repairing the permissions on the boot disk, resetting the Mac, and repairing the permissions on the boot disk. All times I repair the permissions, the list of the files that needs to be repaired is the same.