kextstat -kl | awk '{print $6}'| grep -i multi

com.apple.driver.AppleMultitouchDriver

sudo kextunload -b com.apple.driver.AppleMultitouchDriver

(kernel) Can't remove kext com.apple.driver.AppleMultitouchDriver;    services failed to terminate - 0xdc008018.

Failed to unload com.apple.driver.AppleMultitouchDriver - (libkern/kext) kext is in use or retained (cannot unload)

sudo kextunload /System/Library/Extensions/AppleMultitouchDriver.kext