How to create hypothetical console (CLI) in c++?
 

i have to create a hypothetical console (CLI) in c++.
This program will not create any folder or text file on hard disk in execution of any command.
I have to make a structure and data base (in simple text file) that it will able to perform following commands.
create directory , copy directory, rename directory, move directory, delete directory.
Please give me a little favor that how to do.