I have completed everything except for part 3. I think that I can only create 2 directories before it runs out of space but I'm not certain how the storage works

File System Simulator Exercise: (1) Use mkfs to create a file system with a block size of 64 bytes and having a total of 8 blocks. (2) Use dump to examine the file system backing file, and note the value in byte 64. What does this value represent? (3) Use mkdir to create a directory (e.g., /usr), and then use dump to examine byte 64 again. What do you notice? Repeat the process of creating a directory (e.g., /bin, /lib, /var, /etc, /home, /mnt, etc.) and examining with dump. How many directories can you create before you fill up the file system? Explain why