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Why do so many split keyboards not have "F" keys?
(programming.dev)
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Ctrl-[1-9] selects the first few, and last tab in most browsers.
I get your point, though. I, for one, wish vertically staggered keebs had more keys. (just straight up F1-F24, because more keys is more better)
it's alt+num on debian and MATE! :)