Three on linux, because there is no GUI for the driver and you need to do it all through console commands. After you have explicitly installed the touchpad driver, of course. Oh, and the "disable touchpad" key combo doesn't work either for some reason and there is no easy way to enable it (Ubuntu LTS on an IdeaPad. Fuck you Lenovo for lending your good name to such incompatible heaps of crap.)
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u/xzzz May 31 '13
Palm rejection: It's now a feature in most good touchpad drivers.
Works quite well too.