<Li> Safari, Finder - the Option key causes the "Close Window" menu item to switch to "Close All Windows" when pressed down . Consequently, clicking a window's close box with the option key depressed invokes "close all" as well . This functionality is a de facto Macintosh standard and available in numerous other programs . </Li> <Li> Dock - the Option key causes the "Hide" and "Quit" menu items in the context menu of a Dock icon to switch to "Hide Others" and "Force Quit". </Li> <Li> iTunes - the Create Playlist button switches to a Create Smart Playlist button . Holding Option and clicking the green Window Zoom (+) button at the top - left forces the iTunes window into fullscreen view, rather than switching between the user - set window size and the iTunes Mini Player . </Li> <Li> iPhoto - the rotate image button toggles between a "rotate right" and a "rotate left". </Li>

What are the shift control option keys on a mac