Patent ID: 8060465
Filing Date: 2011-11-15
Classification: G06F

Abstract:
1. A data management system, comprising: an information processing device; and an external device communicably connected with the information processing device, wherein the information processing device comprises: a data sending unit configured to send a data file to the external device; a specifying information storing unit configured to store therein data specifying information for specifying the data file sent by the data sending unit; an instructing unit configured to issue a deletion command for deleting the data file, the instructing unit issues the deletion command in response to an external instruction to turn the information processing device off; a request unit configured to send a request for data information regarding a data file stored in the external device to the external device, the request unit sending the request for data information regarding the data file stored in the external device to the external device in response to the deletion command being issued by the instructing unit; a response receiving unit configured to receive the data information as a response to the request by the request unit; a judging unit configured to judge whether the data file specified by the data information received by the response receiving unit includes the data file specified by the data specifying information stored in the specifying information storing unit; and a deletion request unit configured to send a deletion request for deleting the data file specified by the data specifying information to the external device when the judging unit judges that the data file specified by the data information includes the data file specified by the data specifying information, and wherein the external device comprises: a processor configured to, when executing computer readable instruction provide: a receiving unit configured to receive the data file sent by the data sending unit; an external-device-side storing unit configured to store therein the data file received by the receiving unit; a response sending unit configured to send the data information regarding the data file stored in the external-device-side storing unit to the information processing device as a response to the request sent by the request unit; and a data deleting unit configured to delete the data file stored in the external-device-side storing unit in response to the deletion request being sent by the deletion request unit.