Ever since Apple introduced OS X to the world a few years ago, there have been improvements to the operating system in regards to the way a user uses it. nnOver the years, there have been so many improvements to the operating system.Many users do not know half of the useful and time saving commands that the operating system offers.nnThe "OS X Reference" takes the best and useful commands and presents them in an easy to read format.The user is first presented with a list of categories that relates to the operating system.Selecting on an option gives shows a user a command, and also describes what that command does.nnThis application includes commands for:nn Mac OS X 10.4 Tigern Mac OS X 10.5 Leopardn Mac OS X 10.6 Snow LeopardnnThe application lists keyboard and shortcut commands for the most used areas of the operating system, including:nn Start up keys.n Dock.n Finder.n Folders.n Screen Shots.n Universal Access.nnThis application is meant to be used as a learning tool for both beginners and experienced users of OS X.nnPlease let us know what you think, and what you'd like to see added.