dupterm man page on Ultrix

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dupterm(8)							    dupterm(8)

       dupterm - DUP virtual terminal program


       The  DUP virtual terminal program provides access to the diagnostic and
       utility features of DSA (DIGITAL Storage Architecture) intelligent disk
       and tape controllers.

       Depending  upon	the  particular controller, operations may include the
       execution of controller resident diagnostics  and  utilities  or	 those
       downloaded from the host system.

       Further information regarding the operation of the utility and diagnos‐
       tic  capabilities  associated  with  a  particular  controller  may  be
       obtained from the appropriate documentation set for that controller.

       Once  invoked, prompts the user with "DUP>> ", and waits for a command.
       can be in one of three states at any time. When it is started, it is in
       state.	When it has established a connection to the on the remote con‐
       troller, it is in the state.  When it starts execution of a  diagnostic
       or  utility  on	the  remote  controller, it enters the state.  In this
       state, user typein is normally transmitted to the remote	 program.   To
       force  to interpret a command locally instead, enter a '.' character as
       the first character of the command line.	 To  transmit  a  '.'  as  the
       first  character	 of  a	command	 line to the remote program, enter two
       periods as the first two characters of the command.

       The program recognizes  the  following  commands.   Commands  are  case
       insensitive.   The  minimum acceptable abbreviation for each command is
       shown in uppercase.

       Help    Displays a brief description of all commands.

       ABort   Valid only in state.  Aborts the execution of the  remote  pro‐
	       gram.  Enters the state.

       Connect scs-node-name
	       Valid only in state.  Attempts to establish a connection to the
	       SCS node named If successful, enters the state. Use the command
	       to get a list of available SCS nodes.

       ^ char  Valid  in  state.  Sends a control character to the remote pro‐
	       gram.  The space between the "^" and is ignored.

	       Valid only in states or Breaks the  connection.	 If  a	remote
	       program was executing, terminates it as well.

       Dust    Valid  in states or Issues a GET DUP STATUS command to the con‐
	       nected controller, and displays the results.

       INFO    Valid in all states.  Displays SCS related information, such as
	       the node names and their SCS id's.

       LOG [log-file-name]
	       Valid  in all states.  If a file name is given, all interaction
	       is logged in the file. If no file is given, terminates logging.

       Quit    Quits the session.

       Runl task-name
	       Valid only in state.  Loads the	program from the  local	 media
	       on  the	controller, and	 starts its execution.	If successful,
	       enters the state.  Whether is case-sensitive or not depends  on
	       the controller.

       RUNS task-or-file-name
	       Valid  only  in state.  Attempts to load the program first from
	       the file on the local host, and if not found, from the file and
	       starts  its  execution.	 is  the  program  name	 extension  as
	       returned by the controller.  If successful, enters the state.

       SEt HSCmode {ON|OFf}
	       Valid in any state. When is set to does some special processing
	       needed by the HSC-nn controllers.

       SEt SERver {-d|scs_sysap_name}
	       Valid  in any state.  Sets the name of the SYSAP name to use to
	       establish the connection. If -d option is given,	 tells	it  to
	       use  the default servers "DUP", "MSCP$DUP", and "DUP$SERVER" in

       SHOw NODe
	       Valid only in the states or Displays the name of	 the  node  is
	       connected to currently.

       SHOw SERver
	       Valid in any state.  Displays the current server setting.

       SHOw STATus
	       Valid  in  any  state. Displays the current status of including
	       which controller it is connected to, and which  program	it  is
	       executing, if any.

       SHOw TASk
	       Valid  only  in state.  Shows the name of the remote diagnostic
	       or utility currently executing.

       SHOw VERsion
	       Displays version information about dupterm and the dup  driver.
	       Useful for reporting problems.

	       Valid  in all states.  Forces to change its state to confirm to
	       the actual state of the remote controller.  This is  useful  if
	       the  remote  program  does not confirm to the DUP Standard Dia‐
	       logue.  In this case, there is no way  for  to  know  that  the
	       remote  program	has  terminated.   This command can change the
	       state appropriately.

       Execution of some diagnostic and utility programs  may  interfere  with
       normal  activities  of  the  controller.	 Refer to the appropriate con‐
       troller documentation set for further specifics.

       To use with a HSC-nn controller, first execute the command before  con‐
       necting.	 When the connection is established, the "HSC-nn>> " prompt is
       displayed.  At this point, HSC commands may be entered.	 When  an  HSC
       command completes, one must type
       to get the "HSC-nn>> " prompt again.  To quit, type the command
       to abort the program on the HSC, or
       to  abort and disconnect.  Note that these commands must be preceded by
       a "." in order to force them to be interpreted by locally, rather  than
       being passed on to the controller.

       The  program  cannot  be	 run with its input redirected. This has to do
       with the fact that it has to wait on both the controller, and the  user
       input,  and there is no reliable way to determine when the next line of
       input from the user should be read and sent to the controller. This  is
       a limitation of the protocol.

       The  utility  generates messages when the user does not have the appro‐
       priate privileges and when operational errors occur.

       Device special files to connect to the driver.


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