You want to take screenshots (screen captures) on Apple Mac OS X. You can either use the Grab application (already included in your system) or the following keyboard shortcuts:
| Key combination | Action |
|---|---|
| ⌘ cmd⇧ shift3 | Capture entire screen to a file on the desktop |
| ⌘ cmd⇧ shift4 | Capture a selection to a file on the desktop |
| ⌘ cmd⌃ ctrl⇧ shift3 | Capture entire screen to the clipboard |
| ⌘ cmd⌃ ctrl⇧ shift4 | Capture a selection to the clipboard |
