The storage means which store the directory which possesses the directory entry which consists of the target flag information which is shown whether the memory storage, the data management device and the data management system

摘要

PROBLEM TO BE SOLVED: To provide a storage device, a data management device and a data management method that easily and quickly execute management of files and can manage the files even if a directory is destructed. SOLUTION: A CPU decides whether it can correspond to data indicated by this directory ID, that is, whether it can deal with this directory (step S4). When it decides it can, it performs read in of individual data in accordance with a format defined by the directory ID (step S5), then, these individual data are used as information on an application (step S6).