alt+shift+c - kill a window
alt+d and alt+i switch between vertical and horizontal window splits

alt+tab go to previous window like when on window 3 and prev was 6 alt tab will toggle between 3 and 6

alt+b toggles the upper menu on and off
alt+p prompt to run a command

alt+shift+enter shell
alt+enter makes current window the first

alt+h makes right window larger
alt+l makes left window larger