linux 禁用触摸板

install xinput
xinput list
⎡ Virtual core pointer                    id=2 [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              id=4 [slave  pointer  (2)]
⎜   ↳ USB Optical Mouse                       id=12 [slave  pointer  (2)]
⎜   ↳ PS/2 Generic Mouse                      id=14 [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)]
    ↳ Video Bus                               id=7 [slave  keyboard (3)]
    ↳ Video Bus                               id=8 [slave  keyboard (3)]
    ↳ Power Button                            id=9 [slave  keyboard (3)]
    ↳ Sleep Button                            id=10 [slave  keyboard (3)]
    ↳ Laptop_Integrated_Webcam_HD             id=11 [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard            id=13 [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                        id=15 [slave  keyboard (3)]

the touchpad device id is 14(the red record)

disable touchPad
xinput disable 14
or
xinput set-int-prop 14 "Device Enabled" 8 0
enable touchPad:
xinput enable 14
or
xinput set-int-prop 14 "Device Enabled" 8 1