Run an Application Full Screen
You can maximize the viewing and working areas of an application by running that application in full-screen mode. When you switch to full-screen mode, OS X hides the menu bar, the application’s status bar, the Dock, and the top section of the application window (the section that includes the Close, Minimize, and Zoom icons). OS X then expands the rest of the application window so that it takes up the entire screen. You must be running OS X Lion or Mountain Lion to use full-screen mode. Note, too, that not all programs are capable of switching to full-screen mode.
Run an Application Full Screen
Click View.
Click ...
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