Disable laptop touchpad on Linux

sudo apt-get install xinput

xinput list

⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
⎜   ↳ Logitech USB-PS/2 Optical Mouse             id=11    [slave  pointer  (2)]
⎜   ↳ AlpsPS/2 ALPS DualPoint TouchPad            id=14    [slave  pointer  (2)]
⎜   ↳ AlpsPS/2 ALPS DualPoint Stick               id=15    [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)]
    ↳ Power Button                                id=8    [slave  keyboard (3)]
    ↳ Sleep Button                                id=9    [slave  keyboard (3)]
    ↳ Laptop_Integrated_Webcam_FHD: I             id=10    [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                            id=12    [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard                id=13    [slave  keyboard (3)]

Touch pad ID is 14

xinput set-prop 14 "Device Enabled" 0