Patent ID: 7962577

Claim:
A non-transitory data processor communicable with a host device via a network, the data processor comprising: a media connecting unit that is capable of connecting a storage medium, wherein the media connecting unit executes a command to access a directory of the storage medium, and returns a code indicating that the directory of the storage medium was successfully accessed both when the directory of the storage medium is successfully accessed and when the directory of the storage medium is not successfully accessed; a file creating unit that creates a controlling file for controlling an operation for the storage medium; a data transmitting unit, wherein an FTP is used for communication between the data processor and the host device, that transmits data identifying the controlling file to the host device; and an operation executing unit that, in response to receiving a transmission request of the created controlling file, executes the operation for which the requested controlling file has been created by the file creating unit, the operation to be executed for the storage medium being different from a transmission operation for the controlling file.