detatch other attached clients: C-a D
To change tabs interactively: C-a '
To change tabs by moving left or right (from http://superuser.com/questions/755634/how-to-quickly-switch-to-n-10-windows-in-tmux): C-a C-h and C-a C-l (vi movement keys, hold Ctrl for both a and the letter).
Change the bottom bar color:
set status-bg red set status-fg white
Or use set -g to change it for every tmux session on the box.
haA " - split vertically haA % - split horizontally (allegedly) haA arrow key - move to another pane