Introduction - If you have any usage issues, please Google them yourself
(1) file system, including the initialization of a system directory, including the root directory/the the five subdirectories (bin/boot/dev/etc/home /).
(2) file systems include the following:
(a) to add a file or subdirectory in the root directory or subdirectory. (Directory name with the last / the end of the file name is not used)
(b) to delete a file or subdirectory in the root directory or subdirectory.
(c) Find a directory or file path. (Such as entering a search file1/home/file1, or search user1 is displayed as/home/user1 /)
(d) to exit the file system and save the current directory structure, the next time the program is open to display the last modified file system structure.