The source partition in our example will be sdb1 which is currently mounted, indicated by the lock-icon next to the mount point name in the screen shot. A mounted partition can not be copied, thus you first need to unmount it: Click on it then select.
source asukohas näidis on x lock ikoon järgmine kuni ühendamine punkt nimi asukohas ekraan A mitte kuni lahutamine Klõps sees.