button 3 {
  name "system status"
  foreground red
  background black
  border yellow
  head bright yellow

  ""          f.nop
  "%b %d %Y"  f.time
  "%H:%M"     f.time
  ""          f.nop
  "load: "    f.load 
  "free:"     f.free
  "" f.nop
  "report disk usage to ~/du" f.bgcmd  "du ~ | sort -rn > ~/du"
  "print mail headers to tty" f.bgcmd
	 "grep '^From ' /usr/spool/mail/$USER | tail"
  "ps"       f.bgcmd "ps xua"
  "halt"     f.bgcmd "halt"
}