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Maybe this is a dumb question. I know how to start a screen or how to list different screens.

screen -ls

or to attached..

There are screens on:
        2477.pts-0.server1      (Detached)
        2522.pts-0.server1      (Detached)
2 Sockets in /var/run/screen/S-root.
screen -r 2477.pts-0.server1

but I keep forgeting how to detach a screen.

Can anyone give me and answer? I want you to show me the exact keys (really don't remember)

This is a good way to have an easy way to keep it simple to search in the future

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4 Answers 4

up vote 14 down vote accepted

Ctrl+A followed by D. The [screen manpage] has a long list of these shortcuts under "DEFAULT KEY BINDINGS".

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2  
I think that you mean <kbd>Ctrl-A<kbd> <kbd>d</kbd> (lowercase). The upper case (D) is 'powerdetach'. –  Arcege Apr 25 '12 at 0:23

You'll probably see it listed like this in the screen man page:

^a - d

It's important the note the case of the letters as uppercase and lowercase will do different functions.

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Some systems remove certain bindings by default. So it is best to look at the online keybinding page: Ctrl-a ?. You can also use the command prompt in screen: Ctrl-a :detach. Myself, I generally remove the key bindings for 'detach' and 'powerdetach', except on remote systems.

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To list your sessions, run:

screen -list

You can run any command under screen command like:

screen myscript.sh

Then press Ctrl+A (release) and then D to detach the process/screen (so it'll continue to run).


To resume detached process, use:

screen -r

If you have multiple, then add the session number after that.


You can also re-attach to already Attached screen by screen -x. Useful to investigate why it's attached, share terminal with someone or to watch/check somebody what they're doing.


For more help, either run man screen or within the screen press Ctrl+A (release) and then ? to see more shortcuts.

See also:

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