anchor.diff:  
       cat /proc/mounts
   
  +
       # Final sync.
       sync || true
  +
   
       # Right now all events above power off the system.
       if test ${event} = reboot; then
  
positive.code:     else
          exec halt -f -p
      fi
  end script
    ";
    
  
negative.code: start on ${event}
  
  script
      set +e # continue in case of errors
  
      exec < /dev/tty1 > /dev/tty1 2>&1
      echo \"\"
      echo \"<<< SYSTEM SHUTDOWN >>>\"
  