The present invention provides an optical disk drive, optical disk recording method, optical disk recording program and a recording medium having the optical disk recording method recorded therein, applicable to a DVD drive, for example, to permit recording of also a file of still pictures other than moving pictures, thereby enabling more effective use of the information recording area of the optical disk and more quick search for desired data. To this end, the address of management information (DK) is identified with reference to a management table (TV) recorded in a fixed area on the optical disk, and a recording format is selected for the management information (DK) to be recorded in combination with an extension file (EF).