How to take screenshot on a Mac OS X

On a mac, the easiest way to take a screenshot of the screen is by using an application called Grab which is available on every Mac computers. You can find the Grab application by locating /Applications/Utilities/Grab in Finder. Grab will save the screenshot as a TIFF image.

(source http://www.apple.com/macosx/apps/all.html#grab)

You can also take a picture of the screen on a Mac by using the following  keyboard shortcuts:

  • Command-Shift-3: Take a screenshot of the screen, and save it as a file on the desktop
  • Command-Shift-4, then select an area: Take a screenshot of an area and save it as a file on the desktop
  • Command-Shift-4, then space, then click a window: Take a screenshot of a window and save it as a file on the desktop
  • Command-Control-Shift-3: Take a screenshot of the screen, and save it to the clipboard
  • Command-Control-Shift-4, then select an area: Take a screenshot of an area and save it to the clipboard
  • Command-Control-Shift-4, then space, then click a window: Take a screenshot of a window and save it to the clipboard

In Leopardand later, the following keys can be held down while selecting an area (via Command-Shift-4 or Command-Control-Shift-4):

  • Space, to lock the size of the selected region and instead move it when the mouse moves
  • Shift, to resize only one edge of the selected region
  • Option, to resize the selected region with its center as the anchor point