Introduction

A lot has happened since Apple introduced Mac OS X a decade ago. What started as an incomplete replacement for an established operating system has become not only the backbone of today’s powerful Mac computers, but also the foundation for the iPhone, iPad, and iPod touch. At one point, that was just a novel bit of technology trivia, but with Mac OS X Lion, many capabilities found in those handheld devices are coming back to the desktop.

The signature new features of Lion are inspired by iOS: Launchpad makes it easy for new users to locate and open applications; Auto Save means you don’t have to save a document before closing it; Mission Control and full-screen mode can run applications in their own spaces; and Multi-Touch gestures ...

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