[Ubuntu] Asus Fn+F3 touchpad toggle doesn't work

mkdir ~/bin

gedit ~/bin/toggletouchpad.sh

#!/bin/bash if [ $(synclient -l | grep TouchpadOff | awk '{print $3}') == 1 ] ; then synclient touchpadoff=0; else synclient touchpadoff=1; fi

chmod +x ~/bin/toggletouchpad.sh

~/bin/toggletouchpad.sh 

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Go to Settings Manager -> Keyboard -> Application shortcuts and 
create an Fn+F3 shortcut to point to /home/USER/bin/toggletouchpad.sh 
(replace USER with your actual username) and test the Fn+F3 combination.