1    /ALL

       /ALL
       /NOALL (default)

    Display all messages shown with the last DIRECTORY command.
    When used in conjunction with the /CHANNEL qualifier, only those
    messages shown with the last DIRECTORY command for the specified
    channel will be shown.

2    /CHANNEL

       /CHANNEL=name

    Specifies the name of the channel from which to display messages.
    Wildcards are not permitted.

3    /CONFIRM

       /CONFIRM
       /NOCONFIRM (default)

    When /CONFIRM is specified, you will be prompted to confirm
    whether or not to display each selected message.

4    /CONTENT

       /CONTENT
       /NOCONTENT (default)

    When /CONTENT is specified, the content of the message will also
    be shown.