The Pdf have all the details, but most importantly
1. Print the contents of the root directory block relevent to disk geometry, i.e.
sectors per cluster, bytes per sector, number of reserved sectors, number
of FATS, max number of root directory entries, number of sectors, sectors
per FAT, sectors per track, and number of surfaces.
2. List the files (name, size, date, time, and status bits) in the root directory.
3. Copy a file from the root directory of the floppy to your local directory.
4. List contents of a subdirectory.