Learned a new command today: xinput. This allows you to (re)configure how X11 maps your input devices. If you are on Ubuntu, and you’d want what Apple calls the “Natural Scrolling”, then you may do the following: In the shell: $ xinput list ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Macintosh mouse button emulation id=11 [slave poin