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Taking Screenshots in Mac OS X

  • 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 Leopard and 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

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