How to use the power button in OS X Mavericks: It's just like your iPhone and iPad now

[iMore.com]

If you've upgraded your Mac to OS X Mavericks, you may have already noticed that the physical power button behaves differently when pressed than it did in previous versions of OS X. As it turns out, Apple has brought some of iOS to the Mac when it comes to powering up and shutting down. Here's what's changed and what you need to know:

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