Simulation Unix file system
4.0
Each file system not only includes the files and data, including the tree structure of the file system itself, and sub directories, links, access to information, it must also guarantee the safety and reliability of the data. Unix file system calls include files opened and closed, files are created and deleted connections and disconnect file, file reading and writing, as well as random access files. Users can use the file system-provided system calls in the above operations on files in your program.