| 摘要 |
PURPOSE: A system file managing device by version in a full electric exchange is provided to store a new part which is not in accord with a basic system file in a new memory region. CONSTITUTION: A basic system file storer(30) stores basic system files. A version file storer(50) stores system files of a new version each version. A system file manager(100) requests a transmission of the system files to each loading destination part(601-60n) on the basis of system basic information when a re-store command for the system files is inputted, and stores/manages parts which are not in accord with the basic system files each version by using a version file manager(40).
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