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