while true
do
    java -Xincgc -Xms3072M -Xmx3072M -jar Tekkit.jar nogui

    echo -e 'If you want to completely stop the server process now, press ctrl-C before the\ntime is up!'
    echo "Rebooting in:"
    for i in {5..1}
    do
        echo "$i..."
        sleep 1
    done
    echo 'Restarting now!'
done