Patent ID: 7630615

Claim:
A computer-readable recording medium storing thereon an index table and a plurality of operation mode objects, wherein the index table(a) shows a plurality of titles in correspondence with the plurality of operation mode objects, and (b) shows which of a movie mode and a virtual machine mode each of the operation mode objects is for, the operation mode object for the movie mode includes a navigation command expressing a control procedure, the operation mode object for the virtual machine mode includes cache management information, and the cache management information (a) shows, of files that compose applications for the virtual machine mode, which file is to be read to a cache before audio-visual playback of the title corresponding to the operation mode object for the virtual machine mode when said title becomes a current title, the current title being a title that is about to be played, and (b) includes a group attribute for identifying which of two or more exclusive groups of the virtual machine mode said application belongs to.