Since APFS supports the traditional Unix permissions, it gives you the ability to change permissions for files and directories on your Mac for different users and groups.

In the world of Linux, where multi-user systems and server security are foundational principles, understanding file permissions and ownership is crucial. Whether you're a beginner exploring your first ...

How to assign special file permissions As with many things on the Linux command line, you have some choices on how you make your requests. The chmod command allows you to change permissions ...

In order to claim ownership and eliminate the message, you must have an administrator account, and use the "chown" command to change file permissions.