"file system name"
    Required.
    Specifies the name for the file system or disk. In the case of
    mapping a disk, the "/path" can be only one level from the root.
    This parameter specifies the name by which users will access the
    file system.
 logical_file_system
    Required.
    Specifies the file system to make known to the NFS server.
    To map an OpenVMS file system, specify its disk:
    MAP "/disk" disk:
    To map a container file system, specify the disk and the
    directory name:
    TCPIP> MAP
    "/container_name" disk:[vms.directory.name]