Specifying tmux command-prompt line

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http://unix.stackexchange.com – How can you specify the line where you want tmux's command prompt to appear? I want to see the windows when executing tmux commands that require window numbers (e.g. join-pane, etc) but as the command prompt is displayed on top of the window numbers, I have to cancel it, memorize the window number and type the command again. (HowTos)