The option to disable the touchpad while typing does not work on my Samsung RC512 with an Elantech touchpad and I enjoy two-finger scroll and middle-click emulation with two fingers too much to disable tapping the touchpad. When I type the cursor will jump around because I'll hit the touchpad with my palm. How can I disable one-finger tapping but keep multi-finger tapping?
xinput will allow you to manipulate the properties of human interface devices. It will also show you what human interface devices are there, and some parameters for manipulating them, such as their name and id.
Shows you a list of devices, I have an Elantech touchpad that shows up as
Shows me the available properties for item id 12, which you can see decriptions for in the Synaptics Man Page.
There looks like there could be multiple strategies for doing what you're looking for, but the property
where 12 is the device's id as shown by