| 摘要 |
A data management system includes an external device and information processing device communicably connected with the external device. The information processing device includes a data sending unit sending a data file to the external device, a specifying information storing unit storing data specifying information, a request unit sending a request for data information regarding a data file stored in the external device to the external device, a response receiving unit receiving the data information as a response to the request, a judging unit judging whether the data file specified by the data information includes the data file specified by the data specifying information, and a deletion request unit sending a deletion request for deleting the data file specified by the data specifying information to the external device when the judgment is affirmative.
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