1. Practical experience with the problems of file systems.
2. Experience with the Windows NT operating system.
3. Keep the definition simple. Don't read things into the problem that aren't there.
Problem Statement:
Implement a Portable File System (PFS). Allocate a file. Move files from the Windows file system into your file. You should have your own directory structure, allocation table, etc. inside your file. Move files back out of your file to the Windows file system.