My setting for Wacom tablet CTH-490 to use on Linux

72-wacom.conf

# put this file in `/etc/X11/xorg.conf.d/`. If the directory doesn't exist you can just make one.

Section "InputClass"
        Identifier "Wacom CTH-490 Pad"
        MatchProduct "Intuos PT S 2 (WL) Pad pad|Intuos PT S 2 Pad pad"
        MatchDevicePath "/dev/input/event*"

        # adjust tablet's 16:10 area to 16:9, cropping top and bottom.
        Option "TopX" "0"
        Option "TopY" 475"
        Option "BottomX" "15200"
        Option "BottomY" "9025"
EndSection

Section "InputClass"
        Identifier "Wacom CTH-490 Pen"
        MatchProduct "Intuos PT S 2 (WL) Pen stylus|Intuos PT S 2 (WL) Pen stylus"
        MatchDevicePath "/dev/input/event*"

        Option "PressCurve" "0 10 90 100"
EndSection

wacomrc.sh

#!/bin/sh

# if connected via wireless kit the device name has ` (WL)`
device="Wacom Intuos PT S 2 (WL)"
pad="$device Pad pad"
stylus="$device Pen stylus"
# device id displayed in `xinput`
finger=17

# GIMP allows customizing mouse button 8~12
xsetwacom set "$pad" "Button" "1" "10"
xsetwacom set "$pad" "Button" "3" "key shift"
xsetwacom set "$stylus" "Button" "2" "11"
xsetwacom set "$stylus" "Button" "3" "12"

# change the base speed
xinput set-prop $finger "Device Accel Profile" 2
# decrease the constant deceleration so finger speed gets less slower
xinput set-prop $finger --type=float "Device Accel Constant Deceleration" 1
# enable horizontal two-finger scrolling by setting the second value 1
xinput set-prop $finger "Synaptics Two-Finger Scrolling" 1, 1
# adjust the horizontal and vertical move speed to be same
xinput set-prop $finger "Synaptics Move Speed" 1, 1, 0, 0 
# faster scrolling speed
xinput set-prop $finger "Synaptics Scrolling Distance" 25, 25