I am using Ubuntu 15.10 as a guest from Windows 8.1 with VMware. There is no option to enable/disable Two finger scroll in System settings. By default, two finger horizontal scroll is enabled but two finger vertical scroll isn't. Touchpad - Synaptics SMbus (As shown by Windows Device Manager). Tried Ubuntu Tweak to modify settings - No change. Previously, I had Ubuntu 14.04.3 LTS dual-boot which had this option in System Settings. Output of xinput command -
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ VMware VMware Virtual USB Mouse id=7 [slave pointer (2)]
⎜ ↳ VirtualPS/2 VMware VMMouse id=9 [slave pointer (2)]
⎜ ↳ VirtualPS/2 VMware VMMouse id=10 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=8 [slave keyboard (3)]
