How to modify the scrollbar style (overlay) in Ubuntu

According to the different versions of Ubuntu, the commands to modify the scrollbar overlay are also different.

In Ubuntu 12.04 the command is as fellow:

gsettings set org.gnome.desktop.interface ubuntu-overlay-scrollbars false

and to restoring it back with the command as fellow:

gsettings set org.gnome.desktop.interface ubuntu-overlay-scrollbars true

If your version of Ubuntu is 12.10, you should use the command:

gsettings set com.canonical.desktop.interface scrollbar-mode normal

and you can use the command below to set it back:

gsettings set com.canonical.desktop.interface scrollbar-mode overlay-auto

Finally if your Ubuntu version is 13.04 the command below can setup what you want:

gsettings set com.canonical.desktop.interface scrollbar-mode normal

and you need the command below to restore it back:

gsettings reset com.canonical.desktop.interface scrollbar-mode