Minecraft wiki entry for Create_a_Mac_OS_X_startup_daemon, associated text: The final reason that it's better to use sudo, is because every sudo command is logged in your Console, meaning you know what happens, and if you made something incorrect, you can review your log and know what you did to try to repair it. Doing a sudo su - will only show that. However, it's your computer, it's your habits, do whatever you want with it!