COMPUTER SYSTEM AND ITS USING METHOD

摘要

PROBLEM TO BE SOLVED: To make mutually providing of information between user digital contents corresponding to each piece of disk. SOLUTION: A computer system is equipped with a plurality of computers to admit mounting of respective optical disks and a authentication server connectable to the computers via a network. Each optical disk has a disk ID intrinsic, and the authentication server has a user database in which the user information corresponding to the disk ID is accumulated. The authentication server specifies the optical disk on the basis of the disk ID, and the data according to the optical disk is transmitted to the computer.