which "puts the current load average on the right side".
_current_ here means the load averages in the moment
the tmux session was started; these numbers stay the
same throughout the life of the session, while the load
averages of course change.
set -g status-bg blue
+set -g status-interval 5
set -g status-right '#(sysctl vm.loadavg)'
setw -g window-status-current-attr underscore
-Putting these three commands in .tmux.conf and restarting tmux changes the
-status line background to blue, puts the current load average on the right side
+Putting these four commands in .tmux.conf and restarting tmux
+changes the status line background to blue,
+makes the status bar update every 5 seconds,
+puts the current load average on the right side
and underlines the current window.
The status line may be turned off entirely with: