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We are working on a project of Ubuntu customization with openbox. For some specific requirement, we need to disable the clipboard completely in the system. I have searched a lot over openbox and gnome configurations to achieve this goal but no luck till now. Does any one have any clue on this? Or, is there any other way to make CTRL+C, CTRL+V and CTRL+X unusable?

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You will need to intercept the appropriate X11 selection event and return a null response to any requests.

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