Data processor and method for performing access from local computer to remote file in data processor

PURPOSE: To minimize a caching resource by allowing a client to operate a program in the local node of a distributed computer system, and to make a request for the reading/writing of data to a remote file and the question/set of the attribute of the remote file. CONSTITUTION: A client program and a caching file server(CFS) file program for interface are enacted, and a common CFS cache for a file attribute is set up. The cache is maintained through a communication link in a file program in the file server in a remote node including the file at present.