[dropcap]P[/dropcap]review is the default application on Mac OS X for viewing and working with PDFs and image files.
In Mountain Lion, it is possible to restore all open windows when an application (including Preview) is re-open. Although, this setting can be turned on/off in the system preferences, you may still be bothered by a lot of open windows as each new file is opened in a new window by Preview. Here is a quick tip to close all these open windows at once.
[box color=IBOutline]In Preview, click the menu item ‘File’ and press the ‘option’ key on your keyboard. Select the option ‘Close All’ to close all open windows in Preview with one click![/box]
Just wondering why Apple didn’t provide this quite important option in the standard File menu! Why the need of holding down any special key to perform some basic task?!