enable the root super user account in Snow Leopard
December 26th, 2009 Posted in Operating Systems
1.Open Directory Utility in /System/Library/CoreServices/.
2.Click the padlock icon and type in your password.
3.From the Edit menu, select Enable Root User.
4.Select Change Root Password from the Edit menu and type in the new root password.
5.Click the padlock icon to lock the application again.
now you can easy use su -
