`Ctlr+B` activiates command entry (called the prefix)

panes
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% = split pane right
" = split pane below
<Up>/<Left> = switch panes
z = maximize/minimize pane
x = kill pane
Ctrl+B+<Arrow> = resize

windows
----------------------------------
c = create new window
w = create window selection prompt

sessions
----------------------------------
d = detach session
tmux ls = list sesions
tmux attach -t 0 = attach to session 0