Note also that you can open your regular Ubuntu "Settings" --> "Mouse & Touchpad" --> and view the "Touchpad" enable toggle turn on and off as you manually run the enable/disable command-line commands above:
Note also that you can open your regular Ubuntu "Settings" --> "Mouse & Touchpad" --> and view the "Touchpad" enable toggle turn on and off as you manually run the enable/disable command-line commands above: