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When one presses and holds down certain keys like Control, Alt, Super, no release event is generated while with other keys multiple release & press events are generated simulating the key being pushed & released several times.

I want to make some of the multimedia keys or the Fnkey on my keyboard into modifier keys, and xev shows, that all of them are of the second type. Is it possible to make ordinary keys sticky so that no release event is generated?

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If I understand you right, what you want is to uncheck the option "Key presses repeat when key is held down" at Menu > System > Preferences > Keyboard.

enter image description here

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Thanks for the reply. This does prevent a single press from generating multiple key events. However this still doesn't allow the Fn key or the other keys to be used as modifiers like the Ctrl/Alt/Shift/Super. Specifically, I want "xmodmap add" to work with keys other than Ctrl/Alt/Shift/Super. – harsha May 2 '11 at 0:57
You are looking for something like this:… ? – desgua May 2 '11 at 11:44

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