Umount
Applies To: Windows Vista, Windows Server 2008, Windows Server 2012, Windows 8
You can use Umount to remove Network File System (NFS)–mounted drives.
Umount [-f] [{-a | DriveLetter:[...] | NetworkMount[...]}]
The Umount command-line utility disconnects the specified NFS-mounted drive. You must supply at least one of the following options or arguments.
-f
Forces deletion of Network File System (NFS) network drives.-a
Deletes all NFS network drives. If there are active connections, Umount prompts you for confirmation unless you also use the -f option.DriveLetter
The letter of the logical drive to be disconnected.NetworkMount
The network mount point to be disconnected. This mount must have been created using the net use Windows command-line utility without specifying a drive letter.