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, ...

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.

Noelle Oliveira says her Mac isn’t letting her save files from several different programs. She consistently receives the error (with various filenames and folder ...

When it comes to Mac OS X troubleshooting and maintenance, Repairing permissions may be the most frequently recommended course of action. It’s also easily the most maligned. The procedure has taken ...

Mac OS X 10.7 Lion makes system wide changes to standard folder ownership and permissions to enhance security, finding and recommending changes where necessary. Apple reportedly informed developers ...

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 repair disk permissions. Matt Elliott Senior Editor ...

Several readers have noted an issue where permissions for files and folders created through AFP (Apple filesharing protocol) under Mac OS X 10.4.x. are not correct. Under Mac OS X 10.3.x (Panther), ...

Need to password-protect some files on your Mac? Want to stop them from being edited or deleted by mistake? Or do you just need to hide them away from prying eyes? macOS has solutions for all these ...