if ctrl+b isn’t working: (ctrl+b is called the prefix binding)
tmux set -g prefix ^b
ctrl+b s ⇒ Switch between sessions
ctrl+b “ ⇒ Split horizontally
ctrl+b % ⇒ Split vertically
ctrl+b o ⇒ Cycle through panes in the current window
ctrl+b (arrow keys) ⇒ move to pane in that direction
ctrl+b d ⇒ Detach from session and keep everything running (you can even close your shell session)
ctrl+b [ ⇒ Scroll around with arrow keys and use esc to exit
ctrl + b x ⇒ Kill the current pane if it is frozen
ctrl + b <<window number>> ⇒ jumps to that window
ctrl + b c ⇒ Create new window
ctrl + b n ⇒ Go to next window
ctrl + b p ⇒ Go to previous window
ctrl + b , ⇒ name the current window
ctrl + b :splitw -fv ⇒ create a new vertical split that’s the whole width of the window