RE: Real-Time clock

[George Eliozov]

Could anyone tall me, what is doing this script: 

cat /etc/init.d/date.sh
=============================================
#!/bin/sh
DATEFILE=/etc/default/lastdate
case "$1" in
  start)
    if [ ! -e $DATEFILE ]; then
        LASTDATETIME=100208002007
    else
        . $DATEFILE
    fi
    date -u $LASTDATETIME
       ;;
  stop)
        echo "LASTDATETIME=`/bin/date -u +%m%d%H%M%G`" > $DATEFILE
        ;;
  restart)
        $0 stop
        $0 start
        ;;
  *)
        echo "Usage: date.sh {start|stop|restart}"
        exit 1
esac

exit 0