Design Objective: To design and debug a simple file system, mainly the implementation of the simulation file manipulation commands, to simulate the file manager, so that students have a more in-depth understanding of the substance and the implementation process of the main file manipulation commands to master their basic implementationapproach. Design requirements: The ⑴ design a file system supports n users, each user can have multiple files ⑵ two multi-level or two above the file directory management (3) the file should be set up access control to protect only the implementation, "allowed to read," Allow Write " ⑷ the external characteristics of the system should be close to the real system, file manipulation commands can be set to the following: creating a document, open the file, close the file, delete files, read files, write files, copy files, query the directory. ⑸ use the file system via the keyboard (or mouse), the system should display the results of the implementati

成功.cpp

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