Provide various services to the client computer of high performance computer, under the control of the network operating system, it will be linked together with hard disk, magnetic tape, printer, Modem, and various special communication equipment provided to the customer site on the network sharing, also can provide Internet users with centralized computing, information and data management services. Its high performance mainly reflected in the high speed of computing power, the reliable operation of the long, powerful throughput capacity of external data, etc.