1 - /ALL

    Deletes data for all LAN devices in the LAN permanent device
    database. If you specify a device name, all matching LAN devices
    are selected, for example: E to select all Ethernet devices, F
    for FDDI, I for Token Ring, EW to select all Ethernet PCI Tulip
    devices.

2 - /CHARACTERISTICS

       /CHARACTERISTICS or /PARAMETERS

    Deletes device characteristics settings for the LAN device, such
    as speed, duplex mode, and other device parameters.

3 - /DLL

       /DLL or /MOPDLL

    Deletes MOP downline load settings for the LAN device.

4 - /TRACE

    Deletes driver tracing settings for the LAN device.

    If no qualifier is present to select the type of data to delete,
    the entire device entry is deleted.