From the site: tmux is a terminal multiplexer. It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. And do a lot more.

TERMINAL COMMANDS

TMUX COMMANDS

SHARED SESSION

CREATE SESSION

    tmux new-session -s SESSION-NAME

ATTACH TO SESSION

    tmux attach-session -t SESSION-NAME

ALLOW OTHER USERS TO ATTACH TO SESSION

Pay attention to the vernacular here, we have three things that need to be paid attention to: