A computer's file permission settings determine who is able to access its files and who can make changes to them. The owner or administrator of a Mac computer can specify the permissions for any file, ...

I have six computers and use a Mac mini as a fileserver with sharing set up on it. About every week some of the files become read-only for some of the users. She also asks: When I open the files on ...

IT admins can save time and energy when changing Mac permissions by doing it via the command line or remotely via SSH. Learn how it’s done and what the notation means for command-line permissions.