How to automagically move windows between monitors with one keystroke?
I am looking for a way to move windows around on a multi-screen (usually dual screen) setup. So with a keyboard shortcut (or mouse click) I would like to send a window to another monitor.
I am using this functionality a lot when I give presentations. I'll look up something on my main screen and then send the window to the screen or beamer where others can see it. It's also useful when working or when I want to send a screen from my computer to the TV screen that is hooked up to the computer.
How can I set that up, for the three major operating systems Windows, OS X and Linux?