input-filespec

    Specifies the name of an existing file (the source file) to be
    copied.

 source-path-name

    This is the data source for the recording operation.

    Specify the name of a disk file containing a disk image to be
    copied onto the target recording media, or the device name of the
    input device containing the disk volume master for the recording.

    On OpenVMS systems, this is usually a Logical Disk (LD) Utility
    LDAu: device.

 target-device-name

    The device name of the target recordable media device.

    This is usually the name of an ATAPI (DQcu:) SCSI (DKcu:), or USB
    (DNcu:): CD-R/RW or DVD+R/RW recording device, or both.