1. A virtual server providing web based multi-layered item lists accessing and managing resources, which comprises: one or more system units, each one-system unit having service agent providing web services, at least a console system having web browser for operating the virtual server, and a control system comprising multi-layered item lists (“MLIL”) memories; wherein the control system controls the operations of the virtual server which includes automatically forming the virtual server with one or more service pools via communication to each system unit across a communication network, organizing resources information on the control system and from each system unit into one or more MLIL, and providing the web services and a web for UI displaying information of the virtual server including displaying in one or more MLIL; wherein the control system performs the following acts in response to each of one or more concurrent users from a web browser requests accessing the resources of the virtual server related to each specific MLIL: a) creating a mirrored MLIL object in memory with one or more resource nodes; b) encoding and including the mirrored MLIL in web UI to be vertically displayed into a user's web browser with one or more sub nodes, which are vertically aligned, right indented and displayed into one or more layers according to each node's level; and c) updating the mirrored MLIL in the memory and in the user's web browser by updating the web UI in response to the user's interaction with the MLIL, displayed to perform one or more tasks during the user's entire session; wherein the control system controls each web browser submitted one or more tasks to be run without blocking the web browser screen; and wherein each system unit receives, executes and responds to each requested task transmitted from the control system.