| 摘要 |
When recording a large volume of data such as video data, audio data, or the like, it is desirable to delete menus for unnecessary files and thereby enable quick and efficient access to data. An optical recording medium having a data recording medium which is divided into at least a readable/writable first region and a second region used exclusively for data reading. The first region has recorded therein a title management information table in which filenames of software titles are registered in the second region, and a loader for executing or reproducing these software titles, wherein the loader and the software title correspond to each other. The second region has recorded therein at least two types of software titles.
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