浙江工业大学操作系统大型实验————模拟Unix文件系统

Zhejiang University of Technology, Simple Unix File System

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实现功能

01.Exit system....................................(exit)

02.Show help information..........................(help)

03.Show current directory..........................(pwd)

04.File list of current directory...................(ls)

05.Enter the specified directory..........(cd + dirname)

06.Return last directory.........................(cd ..)

07.Create a new directory..............(mkdir + dirname)

08.Delete the directory................(rmdir + dirname)

09.Create a new file....................(create + fname)

10.Open a file............................(open + fname)

11.Read the file...................................(cat)

12.Write the file.....................(write + contents)

13.Copy a file..............................(cp + fname)

14.Delete a file............................(rm + fname)

15.System information view........................(info)

16.Close the current user.......................(logout)

17.Change the current user...............(su + username)

18.Change the mode of a file.............(chmod + fname)

19.Change the user of a file.............(chown + fname)

20.Change the group of a file............(chgrp + fname)

21.Rename a file............................(mv + fname)

22.link.....................................(ln + fname)

23.Change password..............................(passwd)

24.User Management Menu..........................(Muser)

注：该代码中cat指令与write指令与要求中有所不同，需要先对文件执行open指令后才可以读写。

空闲盘块分配采用成组链接，空闲inode节点采用位示图法。