Tmux Quick Reference

Essential

Ctrl-b d       detach from session (leaves everything running)
Ctrl-b c       new window
Ctrl-b n       next window
Ctrl-b p       previous window
Ctrl-b [0-9]   switch to window by number
Ctrl-b "       split pane horizontally
Ctrl-b %       split pane vertically
Ctrl-b arrow   move between panes
Ctrl-b z       zoom current pane (toggle fullscreen)
Ctrl-b K       stop Minecraft server and kill session (emergency)

Session

tmux new-session -A -s main  attach to or create the persistent session
tmux ls        list sessions
tmux attach    reattach to session

Scrollback

Ctrl-b [       enter scroll mode (use arrow keys, q to exit)

Minecraft

mc-console     attach to the server console window