How to hack into a computer running anything from Mac OS X Puma to Snow Leopard.

Step 4 Enter line one

Now that you are at a prompt in single user mode (the bottom line should say something like root) you need to type in "/sbin/mount -uw /" (without the quotes). Do not for get the last "/" or else it will go into read only mode not allowing you to make changes.  This picture does not show the last "/" but do not forget it!