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Screen User's Manual

8.2 Power Detach

Command: pow_detach

(C-a D)
Mainly the same as detach, but also sends a HANGUP signal to the parent process of screen.
Caution: This will result in a logout if screen was started from your login shell.

Command: pow_detach_msg [message]

(none)
The message specified here is output whenever a power detach is performed. It may be used as a replacement for a logout message or to reset baud rate, etc. Without parameter, the current message is shown.