Temrinal Multiplexer

Screen

GNU Screen allows you to manage multiple terminal sessions within a single window and keeps processes running even if your connection drops, making it useful running remote jobs.

Options

screen -S [name]   # Start new named session
screen -ls         # List sessions
screen -r [name]   # Reattach to session
screen -d -r       # Detach existing and reattach here

Shortcut keys

Ctrl-a + c       # Create new window
Ctrl-a + "       # List/select windows
Ctrl-a + n/p     # Next/previous window
Ctrl-a + d       # Detach session
Ctrl-a + k       # Kill window
Ctrl-a + S       # Split horizontal
Ctrl-a + |       # Split vertical
Ctrl-a + <TAB>   # Switch split regions
Ctrl-a + X       # Close active split

Shortcut keys

Ctrl-a + c        # Create a new window.
Ctrl-a + "        # Window selector
Ctrl-a + w        # Displays the list of all the windows currently opened.
Ctrl-a + A        # Renames the current windows. The name will appear when you will list the list of windows opened with Ctrl-a + w.
Ctrl-a + n        # Go to the next windows.
Ctrl-a + p        # Go to the previous windows.
Ctrl-a + Ctrl-a   # Go back to the last windows used.
Ctrl-a + k        # Close the current windows (kill).
Ctrl-a + S        # Split the current windows horizontally. To switch between the windows, do Ctrl-a + <TAB>.
Ctrl-a + |        # Split the current windows vertically.
Ctrl-a + X        # Close active Split window
Ctrl-a + Q        # Close all Split windows
Ctrl-a + d        # Detach a screen session without stopping it.
Ctrl-a + r        # Reattach a detached screen session.
Ctrl-a + <ESC>    # Start the copy mode.

All screen command flags and shortcuts

-a # Force all capabilities into each window’s termcap. -A -[r|R] # Adapt all windows to the new display width & height. -c [file] # Read configuration file instead of ‘.screenrc’. -d (-r) # Detach the elsewhere running screen (and reattach here). -dmS [name] # Start as daemon: Screen session in detached mode. -D (-r) # Detach and logout remote (and reattach here). -h [lines] # Set the size of the scrollback history buffer. -i # Interrupt output sooner when flow control is on. -l # Make the login mode on (update /var/run/utmp), -ln = off. -ls [match] # Display all the attached screens. -L # Turn on output logging. -m # Ignore $STY variable, do create a new screen session. -O # Choose optimal output rather than exact vt100 emulation. -p [window] # Preselect the named window if it exists. -q # Quiet startup. Exits with non-zero return code if unsuccessful. -Q # Commands will send the response to the stdout of the querying process. -r [session] # Reattach to a detached screen process. -R # Reattach if possible, otherwise start a new session. -S [sockname] # Name this session .sockname instead of … -t [title] # Set title. (window’s name). -T [term] # Use term as $TERM for windows, rather than “screen”. -U # Tell screen to use UTF-8 encoding. -v # Print Screen version. -x # Attach to a not detached screen. (Multi display mode). -X # Execute as a screen command in the specified session.

Tmux

• Cheatsheet