A recording medium, a method of controlling a file of the recording
medium, and a method and apparatus for reproducing the same are
disclosed. The recording medium includes at least one data area storing
an original file system, which includes original data files, at least one
normal file designating at least one of the original data files, and at
least one remote file designating at least one additional data file, the
at least one additional data file being required to be downloaded from an
external source in order to play-back the at least one remote file.