| 摘要 |
PROBLEM TO BE SOLVED: To provide an information sharing system capable of allowing a client device side to know the use situation of shared resources that are subjected to exclusion control. SOLUTION: This service device 20 writes a resident file 202, also, the file name of a shared file referred to from the file and information about a use situation including the terminal number of a client device 10a accepting a use request in an exclusion control file 201 until the use is finished, notifies the device 10b that the file 202 is not available during the time when another client device 10b requests the file 202, and also transmits the information about the use situation of the file 202 to the device 10b in response to the request, and the device 10b outputs the information of the use situation to a display, etc.
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