Introduction

A lot has happened since Apple introduced OS X a decade ago (then called “Mac OS X”). 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, iPod touch, and Apple TV. At one point, that was just a novel bit of technology trivia, but with OS X Mountain Lion, many capabilities found in those handheld devices are coming back to the desktop.

The signature features of Mountain Lion are inspired by iOS. Several new features that were formerly iOS-only now have Mac counterparts: Notification Center keeps you up to date on current information, Messages lets you use the iMessage service to send text messages—for ...

Get The OS X Mountain Lion Pocket Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.