tmux.conf

# Start tmux on every shell login
[[ $TERM != "screen" ]] && tmux && exit

# TMUX - Cheacks if tmux in installed before launch
if which tmux 2>&1 >/dev/null; then
    # if no session is started, start a new session
    test -z ${TMUX} && tmux

    # when quitting tmux, try to attach
    while test -z ${TMUX}; do
        tmux attach || break
    done
fi