How to make invisible folders via DOS

Friends Hide your folders with out using any soft
just go to

-->run

-->cmd

-->note 1 "_" give 1 space on that place

-->note 2 if your folder is at D: drive then

-->first you D: and press enter after you write below command

-->Attrib "your folder name"_+r_+a_+s_+h

-->Press Enter

-->if you want to view that folder then you write same command use with like

-->attrib "your folder name"_–r_–a_–s_–h