Multiple folder

open notepad and write the following:

MD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Press Save as and save it as anything.bat
this will create 20 folders if you write numbers upto 100 it will give you 100 folders. You can also make folders with names, like this: