Someone

# See how we were called.
case "$1" in
  start)
        # Start daemon.
        /usr/sbin/pppoe-start
        ;;
  stop)
        # Stop daemon.
        /usr/sbin/pppoe-stop
        ;;
  status)
        # Show status of the daemon.

# Show status of the daemon.
        /usr/sbin/pppoe-status
        ;;
  restart)
        $0 stop
        $0 start
        ;;
  *)
        echo "Usage: rc.pppoe {start|stop|restart|status}"
        exit 1
esac

rc.pppoe: line 24: rc.pppoe: command not found
rc.pppoe: line 25: rc.pppoe: command not found