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! NCP.MEM  -  Network Control Program help file
! NCP.RNO  -  DSR source file of the help file
! Updated February 24, 1982.  Son VoBa.
!
! The .MEM file should reside in the HLP: directory of the running system.
!
! Each NCP command has an entry in this file.  The entries must be
! alphabetically ordered and must be preceeded with an "*" in column 1.
!
! Additional entries may be added to this help file, but with care.
*
NCP enables an  operator  to  perform  network  control  functions  like
changing  parameters,  gathering information, down-line loading, up-line
dumping, triggering bootstrap, testing link  and  network,  and  zeroing
counters.

Help for a specific command may be obtained with  the  HELP  command  as
follows:

        NCP> HELP keyword [additional parameter]

For instance, if  you  wish  additional  information  about  the  CANCEL
command you would type "HELP CANCEL"

*CANCEL

   CANCEL is used to remove a command from the queue  before  processing
   begins.   You can check the status of the command with the SHOW QUEUE
   command.

*CLEAR

   CLEAR is used to clear parameters of an entity from the volatile data
   base.  Additional information available

      CLEAR CIRCUIT
      CLEAR EXECUTOR NODE
      CLEAR LINE
      CLEAR LOGGING
      CLEAR NODE

*CLEAR CIRCUIT

   CLEAR CIRCUIT is used to clear the volatile  circuit  parameters  for
   the circuit(s) identified in the command.

*CLEAR EXECUTOR NODE

   CLEAR EXECUTOR NODE is used to reset the  EXECUTOR  to  the  node  on
   which  the  NCP  program is running.  Note that this command does not
   return the executor to the value in the permanent data base.

*CLEAR LINE

   CLEAR LINE is used to clear the  volatile  line  parameters  for  the
   line(s) identified in the command.

*CLEAR LOGGING

   CLEAR LOGGING is used to control the  logging  of  events,  both  the
   events that will be logged and where they will be logged.

*CLEAR NODE

   CLEAR NODE is used to clear  the  volatile  parameters  of  the  node
   identified as node-id or set as EXECUTOR.

*DEFINE

   DEFINE is used to modify values in the permanent  data  base  of  the
   identified entity.  Additional information available

      DEFINE CIRCUIT
      DEFINE LINE
      DEFINE LOGGING
      DEFINE NODE

*DEFINE CIRCUIT

   DEFINE CIRCUIT is used to set the permanent  circuit  parameters  for
   the circuit(s) identified in the command.

*DEFINE LINE

   DEFINE LINE is used to set the  permanent  line  parameters  for  the
   line(s) identified in the command.

*DEFINE LOGGING

   DEFINE LOGGING is used to control where the events are logged  (event
   sinks) and which events get logged.

*DEFINE NODE

   DEFINE NODE is used to set the  permanent  parameters  for  the  node
   identified as node-id or set as EXECUTOR.

*DUMP

   DUMP is used to store a copy of the target's memory image in  a  dump
   file at the host node.

*ENTER

   ENTER is used to  enter  an  alternative  command  processor  for  an
   application type.

*EXIT

   EXIT is used to leave NCP command level and  return  to  the  TOPS-20
   monitor command level.

*HELP

   HELP allows you to  display  the  function  and  format  of  any  NCP
   command.  The format is

   NCP> HELP keyword [additional parameters]

   where keyword can be any one of the following NCP commands:

   CANCEL   CLEAR    DEFINE   DUMP     ENTER    EXIT     HELP
   LIST     LOAD     LOOP     PURGE    PUSH     RETURN   SET
   SHOW     TAKE     TELL     TRIGGER  ZERO

*LIST

   LIST is used to display information from the permanent data base.

*LOAD

   LOAD is used to load the system image file from one node to a  remote
   node in the network

*LOOP

   LOOP is used to  request  a  node  level  loopback  test.   The  node
   specified  in  the  command is the node to be connected TO;  that is,
   the node that will loop back the data.  This may be the local node or
   a remote node.

*PURGE

   PURGE is used to clear parameters of an  entity  from  the  permanent
   data base.  Additional information available

      PURGE CIRCUIT
      PURGE EXECUTOR NODE
      PURGE LINE
      PURGE LOGGING
      PURGE NODE

*PURGE CIRCUIT

   PURGE CIRCUIT is used to clear the permanent circuit  parameters  for
   the circuit(s) identified in the command.

*PURGE EXECUTOR NODE

   PURGE EXECUTOR NODE is used to reset the executor  in  the  permanent
   data base to the local node.

*PURGE LINE

   PURGE LINE is used to clear the permanent  line  parameters  for  the
   line(s) identified in the command.

*PURGE LOGGING

   PURGE LOGGING is used to control the  logging  of  events,  both  the
   events that will be logged and where they will be logged.

*PURGE NODE

   PURGE NODE is used to clear the  permanent  parameters  of  the  node
   identified as node-id or set as EXECUTOR.

*PUSH

   PUSH is used to leave the NCP command level  and  enter  the  TOPS-20
   monitor  command level.  The POP command is used to return to the NCP
   command level.

*RETURN

   RETURN is used to return to the OPR command level.

*SET

   SET is used to modify  values  in  the  volatile  data  base  of  the
   identified entity.  Additional information available

      SET CIRCUIT
      SET LINE
      SET LOGGING
      SET NODE

*SET CIRCUIT

   SET CIRCUIT is used to set the volatile circuit  parameters  for  the
   circuit(s) identified in the command.

*SET LINE

   SET LINE is used to set the volatile line parameters for the  line(s)
   identified in the command.

*SET LOGGING

   SET LOGGING is used to control where the  events  are  logged  (event
   sinds) and which events get logged.

*SET NODE

   SET NODE is  used  to  set  the  volatile  parameters  for  the  node
   identified as node-id or set as EXECUTOR.

*SHOW

   SHOW is used to display information from the volatile data base.

*TAKE

   TAKE is used to execute a series of NCP  commands  from  a  specified
   command file.

*TELL

   TELL NODE is used as a prefix  to  designate  the  node  that  is  to
   process  the  command.   The  prefix is effective only for the single
   command that immediately follows.  Although the access information is
   optional,  the  node  specified  as  node-id may refuse to accept the
   command.

   Using the TELL NODE prefix is more efficient than  a  combination  of
   SET  EXECUTOR and CLEAR EXECUTOR commands when only one command is to
   be given to a node.

*TRIGGER

   TRIGGER is used to attempt to cause the target node (the node  to  be
   loaded)  to send a load request to the executor.  If the load request
   is sent successfully, the load proceeds automatically.

*ZERO

   ZERO is used to generate a counters zeroed event that causes counters
   to  be  logged.   The  counters  are  then set to zero.  The counters
   affected are those associated with the specified entity.