xmodmap -e "pointer = 1 6 3 4 5" i have 5 button mouse 1st position = left mouse button 2nd position = mouse wheel down 3rd position = right mouse button 4th position = mouse wheel up 5th position = mouse wheel down 1 = left click 2 = mouse wheel down 3 = right click 4 = scroll up 5 = scroll down 6 = back one page 7 = forward one page etc..