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I use the SUN Presenter Openoffice Extension with a twinview Ubuntu laptop. it works well : I have the video-projector with my presentation and my laptop screen with the slides (and time...). My problem is when I want to present a mono-screen application, like Firefox, gnome-terminal. It is displayed only on one monitor, which is not really efficient if you want to be interactive.

Is there a way to display these types of application on both display and to interact with both ?

Thanks

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Try executing xrandr to list your displays (I have them named like VGA1 and LVDS1; they will appear as VGA1 connected ... in xrandr's output), and then make output the same on each of two displays:

xrandr --output VGA1 --same-as LVDS1
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I don't want all the display to be copied, but just the window application I want ! I want my default display to be twinview to use Openoffice –  Dom Jun 6 '10 at 13:09
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