lab一个地图操作系统，里面可以实现多地图的GIS功能-lab a map of operating systems, which can achieve multi-functional GIS map

NaviPOWM is planned to be car navigation system capable of running on a variety of operating systems. At the time, only OSM based map data is supported. Realtime routing engine is planned in a later version. Geocaching and city guide function

Solutions Tanembaum System Operation