You can make folder System and hidden from command line by using the attrib command:
Code:
attrib foldername +s +h
To remove hidden and system attributes from the folder use
Code:
attrib foldername -s -h
Example:
Code:
attrib D:\System +s +h
attrib D:\System -s -h
Please note that you can show system and hidden files and folders from command prompt by using the following command: