Cool commands screen
CTRL-a d will detach screen from the TTY and put it in the background. Resume with screen -r
CTRL-a n and CTRL-a p shifts input focus to the next & previous window, respectively.
CTRL-a SHIFT-a (CTRL-a A) will ask you to set the title of the focus window.
CTRL-” list available windows
Use CTRL-a TAB to move between the panes
CTRL-a SHIFT-s (CTRL-a S) Split the right pane horizontally
CTRL-a SHIFT-\ (CTRL-a |) Split the right pane vertically
DTRL-a SHIFT-x (CTRL-a X) will close the pane that has focus
Problem: Sometimes is not vertical splitting working