Increase your Hard Drive/Access Your Folders as Drives

You can create Virtual Drives in your Computer. Now you can access your Favorite Folders as a drive in My Computer.
What you can do ?

Access your folders as a Drive !
Fool 'Computer Beginners' or your 'Friends' (Non-Expert) , as the drive will show Disk Space of the folder's drive so it seems that the disk space has increased !!
Do The Follwing :

Start >> Run
Type cmd and hit Enter
This will open "Command Prompt"
Type subst Z: E:\folder and hit Enter key.
You can replace Z: with your desired New Drive Letter (Except existing Drive letters)
You can replace E:\folder with the path of your favorite folder
Now, type exit

This creates a new drive ! When you open this , it will open your folder !!!
Isn't it Awesome ?

But a there is a Problem !
On Restart the Virtual Drive Disappears !!!