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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 status information
       by sending a Server Status Request to a batch server.

OPTIONS
       The  qstat  utility  shall  conform  to	the Base Definitions volume of
       POSIX.1‐2008, 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 section.

		 Additional  contents  and format of a full display are imple‐
		 mentation-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
		 identified 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 Section 3.3.2, 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 Section 3.3.1, Batch Job Identi‐
       fier).

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 vari‐
		 ables that are unset or null. (See the Base Definitions  vol‐
		 ume  of POSIX.1‐2008, Section 8.2, Internationalization Vari‐
		 ables 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 regu‐
		 lar 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	imple‐
       mentation-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
       The qstat utility may be removed in a future version.

SEE ALSO
       Chapter 3, Batch Environment Services, qselect

       The Base Definitions volume of  POSIX.1‐2008,  Chapter  8,  Environment
       Variables, Section 12.2, Utility Syntax Guidelines

COPYRIGHT
       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  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.unix.org/online.html .

       Any typographical or formatting errors that appear  in  this  page  are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors,	 see  https://www.ker‐
       nel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group		     2013			     QSTAT(1P)
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