| 摘要 |
PROBLEM TO BE SOLVED: To make contents of a shared file to be copied into plural computer systems equal to each other. SOLUTION: This system is provided with an updation file checking-in means 106 and an updation file checking-out means 107 which perform check-in and check-out of a user file 101 to a repository database 102. An updation information recording means 103 registers the change information of the file 101 with the database 102. An updation information transmitting and receiving means 104 receives updation information from other computer systems, and an updation applying and collision solving means 105 performs the application of the received updation information and collision conclusion.
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