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NotJustBikes uses Linux!
(sh.itjust.works)
A community for everything relating to the GNU/Linux operating system
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Original icon base courtesy of lewing@isc.tamu.edu and The GIMP
He doesn't do a lot of gaming videos now, but it does seem so. He talked about Proton and running OBS, so for anything Linux compatible via Proton is likely that's what he's doing