FILE MANAGEMENT DEVICE, ITS METHOD, IMAGE FILE DEVICE, COMPUTER SYSTEM, OPERATING SYSTEM, PROGRAM MODULE, USER INTERFACE METHOD, INTER-PROGRAM INTERFACE METHOD, AND PROGRAM STORAGE MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a systematical file management method capable of adding extended information such as a thumbnail image, a photo-graphing date, and a comment to a file independently of the sort of the file. ;SOLUTION: The file management method manages each file stored in a memory by system directory information including file size information, adds extended information Ft to an extended informa-tion block following the end of main data of the managed file, adds pointer information Fe. specifying the head position of the extended information block to a regulated position in the extended information block, and registers the main data of the file and the extended information block including the pointer information in the memory as a file.;COPYRIGHT: (C)2000,JPO