Enable root user on MAC OS X Lion

To enable the root user on your MAC, use the following steps

  • Open System Preferences
  • Select Users and Groups
  • Unlock the padlock
  • Click on the Login Options button
  • Now click on the Join button
  • Click on the Open Directory button
  • Select Edit from the menu bar at the top of the screen
  • Select Enable Root User (you will be asked to give it a password)