How do I get out of 'screen' without typing 'exit'?

• Ctrl + A, Ctrl + \ - Exit screen and terminate all programs in this screen. It is helpful, for example, if you need to close a tty connection.

• Ctrl + D, D or - Ctrl + A, Ctrl + D - "minimize" screen and screen -r to restore it.

Ctrl-a d or Ctrl-a Ctrl-d. See the screen manual # Detach.