Storage contents organized system and a storage device contents organized way

摘要

PROBLEM TO BE SOLVED: To increase the empty capacitance of an external storage device by facilitating the selection of a file to be deleted. SOLUTION: A finder part 202 has a function for displaying the list of files stored in a hard disk 84 in various modes. A user grasps the use conditions of the hard disk 84 while utilizing this list display and can retrieve and delete unwanted files. In the case of deleting any application program or unwanted file, a cleaner part 204 has a function for performing the deletion of the application program, the deletion of the unwanted file and the deletion of information in the prescribed file or the like. When deleting any execution file, the cleaner part 204 analyzes various files to be used for the execution of the execution file and has a function for displaying those files as deleting candidates. A history recording part 212 records the access history of each file and supplies the access history of each file corresponding to the request from the finder part 202 or the cleaner part 204.