The top level of the Service Access Facility (SAF)
is concerned with port monitor administration
and is discussed in
``Administering port monitors''.
The lower service
has two distinct administrative functions:
Administration of the port itself using commands that are
specific to the type of port monitor.
The administration commands for the ttymon and listen
port monitors are
Administration of the service associated with a port.
By definition, there is one and only one service
associated with a port.
All ports on the system are peers and their services are
administered through the same command interface,
the SAF's administrative command