How to verify disk permissions with Disk Utility
How to Use the Terminal: 'chmod' Command Demystified and Put to Use

A progress bar appears at the top of the window. When the progress bar completes, open the Terminal app, which is in the Utilities folder of your Applications folder. If Terminal says that permissions reset failed, skip to the next next section. When the process completes, restart your Mac.

Reset permissions

If Terminal says that permissions reset failed When following the previous steps, if you get a message that permissions reset on user home directory failed error , follow these steps. From the list of items on the left, select Full Disk Access. You can now remove Terminal from the apps allowed full-disk access, or just deselect the checkbox next to Terminal.

Yes No.

Terminal 101: File Permissions

Character limit: By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. It only takes a minute to sign up. I then have to open folder properties in Finder, add myself as a second owner and set permissions using the GUI. Is there a way to add TWO owners using terminal? In other words how to add a second owner to a folder using terminal?

Understanding disk permissions in OS X

Not necessarily chown. PS: Just in case..


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The permissions inside single quotes after the 'allow' keyword are just copied from the output of ls -le. However in Mac you can give owner-like permissions to numerous users via ACL like Philippos commented thanks for hinting. Sign up to join this community.


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  • The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. How to add a second owner of a folder using terminal on Mac? Ask Question.

    Terminal File Permissions | TechRadar

    Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. CHMOD In terminal, the command to make all changes affect every file and folder?


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    • Ask Question. Asked 10 months ago. Active 10 months ago.

      Understanding File Permissions: What Does “Chmod 777” Mean?

      Viewed 2k times. Videonauth Videonauth Videonauth Fabby Videonauth Does my edit address your concern? It does, thus reversed my downvote.