How To: Force quit apps in Mac OS X

If an application on your computer is not responding properly or is frozen, you will need to force quit. On a Windows PC, everyone knows this is done with the Task Manager or using Ctrl+Alt+Delete, but how do you do this on a Mac?
On the rare occasion that a Mac freezes up, you will need to follow a few simple steps.
This tutorial will show you how to force quit an application that is giving you trouble quickly and easily. This can be accomplished in just a few extremely short steps. Then you will be able to reload your program and hopefully get back to normal.