the default modifier key is Ctrl + b
tmux ls # list sessions
tmux new -s myname # new session by name
tmux kill-session -t myname # kill session by name
tmux kill-session -t id # + by id
tmux a -t myname # attach to a named session
% # split vertically
" # split horizontally
x # kill
z # zoom
t # show time
left # move cursor left
right # move cursor right
up # move cursor up
down # move cursor down
s # list sessions
$ # name session