How to disable the touchpad?

It displays all the input devices connected. Note that they all have an id. 
Run the following command in a terminal:

xinput list

It displays all the input devices connected. Note that they all have an id. Now use the id to disable it.

xinput set-prop 12 "Device Enabled" 0

https://askubuntu.com/questions/65951/how-to-disable-the-touchpad

uninstall of installed files with ./configure,make,make install

How to uninstall files that have been installed with the combination of commands:
./configure,make,make install

To find out where the files are located, you run the command:
make -n install