If you're coming from a PC, your first instinct might be to look for the Control key. However, on a Mac, you'll typically use the Command key instead of the shortcut key. You can use the Command key ...
The F1-F12 keys at the top of your Mac keyboard can adjust brightness, control music, and launch system views in a single tap. They can also act as traditional function keys (F1 sends 'F1') for apps ...