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This is example of the command:

 screen -S dua -X stuff $'commandhere'

I've searched lots of resources but still not found the command for keypress Ctrl+R.

  • 2
    All screen keystrokes are after a prefix (Ctrl-a by default), so do you mean C-a C-r? – Barmar Sep 4 '14 at 20:48
  • I mean Ctrl+R jut like pressing Ctrl+C when copying text – apasajja Sep 5 '14 at 5:07
  • I don't understand the question. Are you asking how to make C-R execute that command, or are you asking about what C-R does in screen? – Barmar Sep 5 '14 at 5:51
  • Which shell are you using? – ByteNudger Sep 5 '14 at 16:28
  • I'm using bash. – apasajja Sep 6 '14 at 2:56
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In the bash shell the Ctrl+R invokes the build-in command reverse-search-history (C-r). Here is the section from the man 1 bash or you can find at bash(1): GNU Bourne-Again SHell - Linux man page.

reverse-search-history (C-r)

    Search backward starting at the current line and moving 'up' through 
    the history as necessary. This is an incremental search.

The only other command which maybe invoked is a screen specific one for line wrapping, but it's normally invoked like Ctrl+a Ctrl r. The description is from man screen or from Screen User's Manual.

Command: wrap state

    (C-a r, C-a C-r)
    Sets the line-wrap setting for the current window. When line-wrap is on,
    the second consecutive printable character output at the last column of a
    line will wrap to the start of the following line. As an added feature, 
    backspace (^H) will also wrap through the left margin to the previous 
    line. Default is ‘on’. 

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