Minecraft wiki entry for Create_a_Mac_OS_X_startup_daemon, associated text: When creating a Mac OS X startup daemon, it may work for some people, but not for others. Therefore, it is strongly recommended not to create one unless you know your way around Terminal and Console, and you have a good analytical mind that will tell you whenever you are doing mistakes. This article is more of a helping hand, so if you have no background knowledge on Terminal and Console, this article may not be very helpful.