; volume down
(xbindkey '(m:0x0 c:174) "/usr/bin/amixer set 'Master' 5%- -q")

; volume up
(xbindkey '(m:0x0 c:176) "/usr/bin/amixer set 'Master' 5%+  -q")

; shutdown
(xbindkey '(m:0x0 c:222) "/usr/bin/xterm -e /usr/bin/sudo /sbin/shutdown -h now")

; print screen
(xbindkey '(m:0x0 c:111) "/usr/bin/scrot")