Shortcut Description
CTRL+a c Create a new window (with shell)
CTRL+a “ List windows
CTRL+a n Go to next window
CTRL+a p Go to previous window
CTRL+a CTRL+a Toggle between the current and previous windows
CTRL+a 0 Put window 0 in focus
CTRL+a F Fit screen size to the new terminal window size
CTRL+a A Set title of the window in focus
CTRL+a S Split current window into two horizontal panes
CTRL+a | Split current window into two vertical panes
CTRL+a TAB Set focus to the next pane
CTRL+a Q Close all panes except for the current one
CTRL+a X Close the current pane
CTRL+a x Lock screen session
CTRL+a d Detach from screen session
CTRL+a ESC Use arrows to scroll back

List running sessions:

[t00r@ultra ~]$ screen -ls
There is a screen on:	(01/10/2022 05:35:42 PM)	(Detached)
1 Socket in /run/screen/S-t00r.

Resume session:

[t00r@ultra ~]$ screen -r 1785724

Start named session:

[t00r@ultra ~]$ screen -S build


# Turn off the welcome message
startup_message off

# Disable visual bell
vbell off

# Set scrollback buffer to 10000
defscrollback 10000

# Customize the status line
hardstatus alwayslastline
hardstatus string '%{= kG}[ %{G}%H %{g}][%= %{= kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B} %m-%d %{W}%c %{g}]'

Status line stolen from here.