Introduction - If you have any usage issues, please Google them yourself
courses on operating system design to complete the task of simulation unix operating system of file system function. In a terminal interface, users can like unix shell orders importation of certain orders importing ls show directory, change file permissions chmod, chown change who owns the file, chgrp Changes file group, chnam change the name, pwd shows the current directory, cd change the current directory, create directories mkdir, rmdir delete directory, mk founding documents, cp paper copy, delete the file rm, cat shows the contents of the documents, login switching users, passwd user password changes, and other functions. In the background, in order to achieve mixed-indexing structure of the document, including the use of idle nodes, stack management spare node and link the group mana