Then type list volume and enter...
Then select the volume no. which driver want to be hidden...
For example: I'm going to hide G: drive that is volume 2...
For that type select volume 2 and enter...
Then Remove letter g and enter..
Then open the my computer and there (G:) driver will be hidden...
To make visible that driver. Do the same process that is list volume ---> Enter,
then select volume with volume no. and then type assign letter G and hit enter...
Then open the my computer and see the driver will be shown..