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QSTAT(1P)		   POSIX Programmer's Manual		     QSTAT(1P)

PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

NAME
       qstat - show status of batch jobs

SYNOPSIS
       qstat [-f] job_identifier ...

       qstat -Q [-f] destination ...

       qstat -B [-f] server_name ...

DESCRIPTION
       The status of a batch job, batch queue, or batch server is obtained  by
       a  request  to the server. The qstat utility is a user-accessible batch
       client that requests the status	of  one	 or  more  batch  jobs,	 batch
       queues,	or servers, and writes the status information to standard out‐
       put.

       For each successfully processed batch job_identifier, the qstat utility
       shall display information about the corresponding batch job.

       For  each  successfully	processed destination, the qstat utility shall
       display information about the corresponding batch queue.

       For each successfully processed server name, the	 qstat	utility	 shall
       display information about the corresponding server.

       The qstat utility shall acquire batch job status information by sending
       a Job Status Request to	a  batch  server.   The	 qstat	utility	 shall
       acquire	batch  queue  status  information  by  sending	a Queue Status
       Request to a batch server.  The qstat utility shall acquire server sta‐
       tus information by sending a Server Status Request to a batch server.

OPTIONS
       The  qstat  utility  shall  conform  to	the Base Definitions volume of
       IEEE Std 1003.1-2001, Section 12.2, Utility Syntax Guidelines.

       The following options shall be supported by the implementation:

       -f     Specify that a full display is produced.

       The minimum contents of a full display are specified in the STDOUT sec‐
       tion.

       Additional  contents  and  format of a full display are implementation-
       defined.

       -Q     Specify that the operand is a destination.

       The qstat utility shall display information about each batch  queue  at
       each destination identified as an operand.

       -B     Specify that the operand is a server name.

       The  qstat  utility shall display information about each server identi‐
       fied as an operand.

OPERANDS
       If the -Q option is presented to the qstat utility, the	utility	 shall
       accept  one  or more operands that conform to the syntax for a destina‐
       tion (see Destination ).

       If the -B option is presented to the qstat utility, the	utility	 shall
       accept one or more server_name operands.

       If  neither the -B nor the -Q option is presented to the qstat utility,
       the utility shall accept one or more operands that conform to the  syn‐
       tax for a batch job_identifier (see Batch Job Identifier ).

STDIN
       Not used.

INPUT FILES
       None.

ENVIRONMENT VARIABLES
       The  following  environment  variables  shall  affect  the execution of
       qstat:

       HOME   Determine the pathname of the user's home directory.

       LANG   Provide a default value for the  internationalization  variables
	      that  are	 unset	or  null.  (See the Base Definitions volume of
	      IEEE Std 1003.1-2001, Section  8.2,  Internationalization	 Vari‐
	      ables  for the precedence of internationalization variables used
	      to determine the values of locale categories.)

       LC_ALL If set to a non-empty string value, override the values  of  all
	      the other internationalization variables.

       LC_COLLATE

	      Determine	 the  locale  for  the behavior of ranges, equivalence
	      classes, and multi-character collating elements  within  regular
	      expressions.

       LC_CTYPE
	      Determine	 the  locale  for  the	interpretation of sequences of
	      bytes of text data as characters (for  example,  single-byte  as
	      opposed to multi-byte characters in arguments).

       LC_MESSAGES
	      Determine	 the  locale  that should be used to affect the format
	      and contents of diagnostic messages written to standard error.

       LC_NUMERIC

	      Determine the locale for selecting the radix character used when
	      writing floating-point formatted output.

ASYNCHRONOUS EVENTS
       Default.

STDOUT
       If  an operand presented to the qstat utility is a batch job_identifier
       and the -f option is not specified, the qstat utility shall display the
       following items on a single line, in the stated order, with white space
       between each item, for each successfully processed operand:

	* The batch job_identifier

	* The batch job name

	* The Job_Owner attribute

	* The CPU time used by the batch job

	* The batch job state

	* The batch job location

       If an operand presented to the qstat utility is a batch	job_identifier
       and  the	 -f  option  is specified, the qstat utility shall display the
       following items for each success fully processed operand:

	* The batch job_identifier

	* The batch job name

	* The Job_Owner attribute

	* The execution user ID

	* The CPU time used by the batch job

	* The batch job state

	* The batch job location

	* Additional implementation-defined information,  if  any,  about  the
	  batch job or batch queue

       If  an  operand presented to the qstat utility is a destination, the -Q
       option is specified, and the -f option  is  not	specified,  the	 qstat
       utility	shall  display	the  following	items on a single line, in the
       stated order, with white space between each item, for each successfully
       processed operand:

	* The batch queue name

	* The  maximum	number	of  batch  jobs that shall be run in the batch
	  queue concurrently

	* The total number of batch jobs in the batch queue

	* The status of the batch queue

	* For each state, the number of batch jobs in that state in the	 batch
	  queue and the name of the state

	* The type of batch queue (execution or routing)

       If the operands presented to the qstat utility are destinations, the -Q
       option is specified, and the -f option is specified, the qstat  utility
       shall display the following items for each successfully processed oper‐
       and:

	* The batch queue name

	* The maximum number of batch jobs that shall  be  run	in  the	 batch
	  queue concurrently

	* The total number of batch jobs in the batch queue

	* The status of the batch queue

	* For  each state, the number of batch jobs in that state in the batch
	  queue and the name of the state

	* The type of batch queue (execution or routing)

	* Additional implementation-defined information,  if  any,  about  the
	  batch queue

       If  the operands presented to the qstat utility are batch server names,
       the -B option is specified, and the -f option  is  not  specified,  the
       qstat  utility  shall  display the following items on a single line, in
       the stated order, with white space between each item, for each success‐
       fully processed operand:

	* The batch server name

	* The  maximum	number	of  batch  jobs that shall be run in the batch
	  queue concurrently

	* The total number of batch jobs managed by the batch server

	* The status of the batch server

	* For each state, the number of batch jobs in that state and the  name
	  of the state

       If the operands presented to the qstat utility are server names, the -B
       option is specified, and the -f option is specified, the qstat  utility
       shall display the following items for each successfully processed oper‐
       and:

	* The server name

	* The maximum number of batch jobs that shall  be  run	in  the	 batch
	  queue concurrently

	* The total number of batch jobs managed by the server

	* The status of the server

	* For  each state, the number of batch jobs in that state and the name
	  of the state

	* Additional implementation-defined information,  if  any,  about  the
	  server

STDERR
       The standard error shall be used only for diagnostic messages.

OUTPUT FILES
       None.

EXTENDED DESCRIPTION
       None.

EXIT STATUS
       The following exit values shall be returned:

	0     Successful completion.

       >0     An error occurred.

CONSEQUENCES OF ERRORS
       In  addition  to	 the  default behavior, the qstat utility shall not be
       required to write a diagnostic message to standard error when the error
       reply received from a batch server indicates that the batch job_identi‐
       fier does not exist on the server. Whether or  not  the	qstat  utility
       waits  to  output the diagnostic message while attempting to locate the
       batch job on other servers is implementation-defined.

       The following sections are informative.

APPLICATION USAGE
       None.

EXAMPLES
       None.

RATIONALE
       The qstat utility allows users to display the status of jobs  and  list
       the batch jobs in queues.

       The operands of the qstat utility may be either job identifiers, queues
       (specified as destination identifiers), or batch server names.  The  -Q
       and  -B	options,  or absence thereof, indicate the nature of the oper‐
       ands.

       The other options of the qstat utility allow the user  to  control  the
       amount  of  information	displayed  and	the format in which it is dis‐
       played. Should a user wish to display the status of a set of jobs  that
       match  a selection criteria, the qselect utility may be used to acquire
       such a list.

       The -f option allows users to request a "full" display in an  implemen‐
       tation-defined format.

       Historically,  the qstat utility has been a part of the NQS and its de‐
       rivatives, the existing practice on which it is based.

FUTURE DIRECTIONS
       None.

SEE ALSO
       Batch Environment Services, qselect

COPYRIGHT
       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),	The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the	referee document. The original Standard can be obtained online
       at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group		     2003			     QSTAT(1P)
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