Data processing apparatus, data processing method, terminal unit, and transmission method of data processing apparatus

摘要

A data processing apparatus is disclosed, that comprises a large capacity memory means for storing a plurality of files, a memory means for storing move/copy history when a particular file is moved/copied from the large capacity memory means to a non-volatile memory, a reference means for referencing the history information stored in the memory means when the particular file is moved/copied from the large capacity memory means to the non-volatile memory, and a control means for prohibiting the particular file from being moved/copied from the large capacity memory means to the non-volatile memory when the reference means has detected that the history information is stored in the memory means.