$4.(10$pts$)$ Consider the Linux$/$Unix folder structure shown below.

The current working directory is the directory Cfile.dir.

a$.(2$pts$)$ On the drawing, label the root directory and a parent directory.

b$.(2$pts$)$ What is the absolute path including the file Cfile$1?$

c$.(2$pts$)$ What is the relative path for the directory Cfile$2.$dir? $($Hint: use the current working directory information$)$

d$.(2$pts$)$ Can I have the directory and file structure under the B$.$dir directory? Explain why or why not?

e$.(2$pts$)$ Can I have the files and directories under Bdir directory? Explain why or why not?