Introduction - If you have any usage issues, please Google them yourself
Functions:
1. In memory open up a virtual disk space as a file storage, on its more than a user realize how directory file system.
2. The physical structure can file by explicit links or other methods.
3. Free disk space management can choose a diagrams of or other methods. If using a chart to management and file storage space, and by explicit links distribution methods, it can select a diagrams of merge to FAT.
4. File directory structure using multi-level user directory structure, each directory contains a file name, physical address, length and other information, but also through a catalogue of the file realize read and write protection. Catalogue organization can not use index node way way, but use index node, the difficulty coefficient is 1.2.
5. Design a practical user interface, and user-friendly. Required to provide the following documents operation:
(1) have login (user login)
(2) system initialization (built file roll, and provide login module)
(3) files created: crea