gistfile1.txt

Section "InputClass"
        Identifier "touchpad catchall"
        Driver "synaptics"
        Option "TapButton3" "2"
        Option "ClickFinger3" "2"
        Option "HorizTwoFingerScroll" "1"
        MatchIsTouchpad "on"
# This option is recommend on all Linux systems using evdev, but cannot be
# enabled by default. See the following link for details:
# http://who-t.blogspot.com/2010/11/how-to-ignore-configuration-errors.html
      MatchDevicePath "/dev/input/event*"
EndSection

Section "InputClass"
        Identifier "touchpad ignore duplicates"
        MatchIsTouchpad "on"
        MatchOS "Linux"
        MatchDevicePath "/dev/input/mouse*"
        Option "Ignore" "on"
EndSection

gistfile2.txt

Section "InputClass"
    Identifier             "Keyboard Defaults"
    MatchIsKeyboard        "yes"
    Option                 "XkbOptions" "terminate:ctrl_alt_bksp"
EndSection