Working and playing on a Mac is all about apps, so OS X makes it simple to find and open those apps fast. OS X gives you long battery life by dimming the screen in low-light conditions and even regulating processor activity between keystrokes. The Multi-Touch trackpad on every Mac notebook gives you more than enough space to pinch, swipe, and tap your way around most of the apps on your system. OS X works with the processor in your Mac to deliver the best possible performance. Since the software on every Mac is created by the same company that makes the Mac, you get a fully integrated system in which everything works together perfectly. Hardware and software made for each other. And to deliver the most intuitive and integrated computer experience. Mac OS X Lion is Built on a rock-solid UNIX foundation, OS X is engineered to take full advantage of the technologies in every new Mac.
