Tmux

set-option -g renumber-windows on

bind-key -n M-k confirm-before -p "kill-window #W? (y/n)" kill-window

bind-key -n M-z resize-pane -Z

bind -n M-m run "\
    tmux show-options -g | grep -q "mouse\\s*on"; \
    if [ \$? = 0 ]; \
    then  \
        toggle=off;  \
    else  \
        toggle=on;  \
    fi;  \
    tmux display-message \"mouse is now: \$toggle\";  \
    tmux set-option -w mouse \$toggle; \
    tmux set-option -g mouse \$toggle; \
    "