The above is how most people first configure tmux, since C-b is just awkward. `bind-key C-a send-prefix` is optional of course, but is used to forward C-a to th

The above is how most people first configure tmux, since C-b is just awkward. `bind-key C-a send-prefix` is optional of course, but is used to forward C-a to the active window (beginning-of-line in shell and emacs). How would you do that in screen? The default for `previous-window` is `prefix-p`. Run `tmux list-keys` to see all active bindings.