Minecraft wiki entry for Create_a_Mac_OS_X_startup_daemon, associated text: It is much safer and therefore strongly recommended to first move to the proper folder and then do the action for a precise file or folder. This is becausemany people who have tried to create this without moving it to the proper folder, have mistakenly pressed return while doing a nasty command and applied it to their whole computer. It's preferable that you don't learn to move it to the proper folder first the hard way.