File management system implementation: - basic requirements: using the disk file to realize the operating system file management features, mainly including the directory structure management, peripheral storage space allocation and release and free space management of three parts. Fox reference hours: 16 hours Fox experiment tip: Through the initialization operation in order to build a model of the space documents, in this file save directory and file content. Create this file should create initial root directory contents, index node and free space a pictorial view. The root directory is a special file, its content for the ". "and".." Directory entry. Index node should include type (directory or file), date created, size, disk address (in order to simplicity, can use single line

os4文件管理.cpp

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