Understanding what an operating system is and is not
Turning on your Mac
Getting to know the startup process
Turning off your Mac
Avoiding major Mac mistakes
Pointing, clicking, dragging, and other uses for your mouse
Getting help from your Mac
Congratulate yourself on choosing OS X, which stands for (Mac) Operating System X — and that’s the Roman numeral ten, not the letter X (pronounced ten, not ex). You made a smart move because you scored more than just an operating system (OS) upgrade. OS X El Capitan includes several new features that make using your Mac easier and dozens of improvements under the hood that help ...
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Understanding what an operating system is and is not