DeX is a dock that tells your phone to go to "desktop mode". It is still Android. With "Linux on Galaxy" I guess you'd be running whatever DE you like. Unless

DeX is a dock that tells your phone to go to "desktop mode". It is still Android. With "Linux on Galaxy" I guess you'd be running whatever DE you like. Unless they've done it differently and you're in DeX desktop but can run full Linux apps there. Not sure.