Mac OS X illustrates Apple’s readiness to embrace a modern operating system. With features such as protected memory, preemptive multitasking, and the powerful Unix just below its surface, OS X ...

A system snapshot ensures you always have the means to restore. Some operating systems have built-in tools for automatic snapshots. If your OS doesn't include a built-in tool, you should install one ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...