When viewing webpages or programs on your Mac, you may want to capture some of the images to view later. Fortunately, every Mac lets you capture all or part of a screen image using one of the following commands:
Command-Shift-3: Saves a screenshot of the entire screen as a file on the desktop
Command-Shift-4, then select an area: Saves a screenshot of an area as a file on the desktop
Command-
