Patent ID: 7457966

Claim:
A data file processing apparatus, comprising: accepting means for accepting an instruction to record the data file issued from a user through a terminal apparatus; content acquiring means for acquiring content to be recorded as the data file; user identification means for identifying the user who issued the instruction to record the data file; file recording means for setting, based on a result of the identification by said user identification means, an identification code for identifying the user who issued the instruction to record the data file and recording the data file resulting from the instruction from the user to record a data file in correspondence with the identification code which corresponds to the user who issued the instruction to record the data file on a randomly accessible recording medium, wherein said user identification means includes: information acquisition means for acquiring information representative of a physical characteristic of the user through the terminal apparatus, the information acquired by said information acquisition means being distinct from the content acquired by the content acquiring means; and user authentication means for specifying the user based on the information acquired by said information acquisition means.