The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group
Participants
The Austin Group
This standard was prepared by the Austin Group, sponsored by the Portable Applications Standards Committee of
the IEEE Computer Society, The Open Group, and ISO/IEC JTC 1/SC22/WG15.
The Austin Group
At the time of approval, the membership of the Austin Group was as follows:
Andrew Josey, Chair
Donald W. Cragun, Organizational Representative, IEEE PASC
Nicholas Stoughton, Organizational Representative, ISO/IEC JTC 1/SC22/WG15
Mark Brown, Organizational Representative, The Open Group
Cathy Hughes, Technical Editor
Austin Group Technical Reviewers
| Peter Anvin
 Bouazza Bachar
 Theodore P. Baker
 Walter Briscoe
 Mark Brown
 Dave Butenhof
 Geoff Clare
 Donald W. Cragun
 Lee Damico
 Ulrich Drepper
 Paul Eggert
 Joanna Farley
 Clive D.W. Feather
 Andrew Gollan
 
 | Michael Gonzalez
 Joseph M. Gwinn
 Jon Hitchcock
 Yvette Ho Sang
 Cathy Hughes
 Lowell G. Johnson
 Andrew Josey
 Michael Kavanaugh
 David Korn
 Marc Aurele La France
 Jim Meyering
 Gary Miller
 Finnbarr P. Murphy
 Joseph S. Myers
 
 | Sandra O'Donnell
 Frank Prindle
 Curtis Royster Jr.
 Glen Seeds
 Keld Jorn Simonsen
 Raja Srinivasan
 Nicholas Stoughton
 Donn S. Terry
 Fred Tydeman
 Peter Van Der Veen
 James Youngman
 Jim Zepeda
 Jason Zions
 
 | 
Austin Group Working Group Members
| Harold C. Adams
 Peter Anvin
 Pierre-Jean Arcos
 Jay Ashford
 Bouazza Bachar
 Theodore P. Baker
 Robert Barned
 Joel Berman
 David J. Blackwood
 Shirley Bockstahler-Brandt
 James Bottomley
 Walter Briscoe
 Andries Brouwer
 Mark Brown
 Eric W. Burger
 Alan Burns
 Andries Brouwer
 Dave Butenhof
 Keith Chow
 Geoff Clare
 Donald W. Cragun
 Lee Damico
 Juan Antonio De La Puente
 Ming De Zhou
 Steven J. Dovich
 Richard P. Draves
 Ulrich Drepper
 Paul Eggert
 Philip H. Enslow
 Joanna Farley
 Clive D.W. Feather
 Pete Forman
 Mark Funkenhauser
 Lois Goldthwaite
 Andrew Gollan
 
 | Michael Gonzalez
 Karen D. Gordon
 Joseph M. Gwinn
 Steven A. Haaser
 Charles E. Hammons
 Chris J. Harding
 Barry Hedquist
 Vincent E. Henley
 Karl Heubaum
 Jon Hitchcock
 Yvette Ho Sang
 Niklas Holsti
 Thomas Hosmer
 Cathy Hughes
 Jim D. Isaak
 Lowell G. Johnson
 Michael B. Jones
 Andrew Josey
 Michael J. Karels
 Michael Kavanaugh
 David Korn
 Steven Kramer
 Thomas M. Kurihara
 Marc Aurele La France
 C. Douglass Locke
 Nick Maclaren
 Roger J. Martin
 Craig H. Meyer
 Jim Meyering
 Gary Miller
 Finnbarr P. Murphy
 Joseph S. Myers
 John Napier
 Peter E. Obermayer
 James T. Oblinger
 
 | Sandra O'Donnell
 Frank Prindle
 Francois Riche
 John D. Riley
 Andrew K. Roach
 Helmut Roth
 Jaideep Roy
 Curtis Royster Jr.
 Stephen C. Schwarm
 Glen Seeds
 Richard Seibel
 David L. Shroads Jr.
 W. Olin Sibert
 Keld Jorn Simonsen
 Curtis Smith
 Raja Srinivasan
 Nicholas Stoughton
 Marc J. Teller
 Donn S. Terry
 Fred Tydeman
 Mark-Rene Uchida
 Scott A. Valcourt
 Peter Van Der Veen
 Michael W. Vannier
 Eric Vought
 Frederick N. Webb
 Paul A.T. Wolfgang
 Garrett A. Wollman
 James Youngman
 Oren Yuen
 Janusz Zalewski
 Jim Zepeda
 Jason Zions
 
 | 
The Open Group
When The Open Group approved the Base Specifications, Issue 6 on 12 September 2001, the membership of The Open Group Base
Working Group was as follows:
Andrew Josey, Chair
Finnbarr P. Murphy, Vice-Chair
Mark Brown, Austin Group Liaison
Cathy Hughes, Technical Editor
Base Working Group Members
| Bouazza Bachar
 Mark Brown
 Dave Butenhof
 Donald W. Cragun
 Larry Dwyer
 
 | Joanna Farley
 Andrew Gollan
 Karen D. Gordon
 Gary Miller
 Finnbarr P. Murphy
 
 | Frank Prindle
 Andrew K. Roach
 Curtis Royster Jr.
 Nicholas Stoughton
 Kenjiro Tsuji
 
 | 
IEEE
When the IEEE Standards Board approved IEEE Std 1003.1-2001 on 6 December 2001, the membership of the committees was
as follows:
Portable Applications Standards Committee (PASC)
Lowell G. Johnson, Chair
Joseph M. Gwinn, Vice-Chair
Jay Ashford, Functional Chair
Andrew Josey, Functional Chair
Curtis Royster Jr., Functional Chair
Nicholas Stoughton, Secretary
Balloting Committee
The following members of the balloting committee voted on IEEE Std 1003.1-2001. Balloters may have voted for approval,
disapproval, or abstention:
| Harold C. Adams
 Pierre-Jean Arcos
 Jay Ashford
 Theodore P. Baker
 Robert Barned
 David J. Blackwood
 Shirley Bockstahler-Brandt
 James Bottomley
 Mark Brown
 Eric W. Burger
 Alan Burns
 Dave Butenhof
 Keith Chow
 Donald W. Cragun
 Juan Antonio De La Puente
 Ming De Zhou
 Steven J. Dovich
 Richard P. Draves
 Philip H. Enslow
 Michael Gonzalez
 Karen D. Gordon
 Joseph M. Gwinn
 
 | Steven A. Haaser
 Charles E. Hammons
 Chris J. Harding
 Barry Hedquist
 Vincent E. Henley
 Karl Heubaum
 Niklas Holsti
 Thomas Hosmer
 Jim D. Isaak
 Lowell G. Johnson
 Michael B. Jones
 Andrew Josey
 Michael J. Karels
 Steven Kramer
 Thomas M. Kurihara
 C. Douglass Locke
 Roger J. Martin
 Craig H. Meyer
 Finnbarr P. Murphy
 John Napier
 Peter E. Obermayer
 James T. Oblinger
 
 | Frank Prindle
 Francois Riche
 John D. Riley
 Andrew K. Roach
 Helmut Roth
 Jaideep Roy
 Curtis Royster Jr.
 Stephen C. Schwarm
 Richard Seibel
 David L. Shroads Jr.
 W. Olin Sibert
 Keld Jorn Simonsen
 Nicholas Stoughton
 Donn S. Terry
 Mark-Rene Uchida
 Scott A. Valcourt
 Michael W. Vannier
 Frederick N. Webb
 Paul A.T. Wolfgang
 Oren Yuen
 Janusz Zalewski
 
 | 
The following organizational representative voted on this standard:
Andrew Josey, X/Open Company Ltd.
IEEE-SA Standards Board
When the IEEE-SA Standards Board approved IEEE Std 1003.1-2001 on 6 December 2001, it had the following
membership:
Donald N. Heirman, Chair
James T. Carlo, Vice-Chair
Judith Gorman, Secretary
| Satish K. Aggarwal
 Mark D. Bowman
 Gary R. Engmann
 Harold E. Epstein
 H. Landis Floyd
 Jay Forster*
 Howard M. Frazier
 Ruben D. Garzon
 
 | James H. Gurney
 Richard J. Holleman
 Lowell G. Johnson
 Robert J. Kennelly
 Joseph L. Koepfinger*
 Peter H. Lips
 L. Bruce McClung
 Daleep C. Mohla
 
 | James W. Moore
 Robert F. Munzner
 Ronald C. Petersen
 Gerald H. Peterson
 John B. Posey
 Gary S. Robinson
 Akio Tojo
 Donald W. Zipse
 
 | 
Also included are the following non-voting IEEE-SA Standards Board liaisons:
Alan Cookson, NIST Representative
Donald R. Volzka, TAB Representative
Yvette Ho Sang, Don Messina, Savoula Amanatidis, IEEE Project Editors
IEEE Std 1003.1-2001/Cor 1-2002 was prepared by the Austin Group, sponsored by the Portable Applications
Standards Committee of the IEEE Computer Society, The Open Group, and ISO/IEC JTC 1/SC22/WG15.
The Austin Group
At the time of approval, the membership of the Austin Group was as follows:
Andrew Josey, Chair
Donald W. Cragun, Organizational Representative, IEEE PASC
Nicholas Stoughton, Organizational Representative, ISO/IEC JTC 1/SC22/WG15
Mark Brown, Organizational Representative, The Open Group
Cathy Fox, Technical Editor
Austin Group Technical Reviewers
| Theodore P. Baker
 Julian Blake
 Andries Brouwer
 Mark Brown
 Dave Butenhof
 Geoff Clare
 Donald W. Cragun
 Ken Dawson
 Ulrich Drepper
 Larry Dwyer
 Paul Eggert
 Joanna Farley
 Clive D.W. Feather
 Cathy Fox
 
 | Mark Funkenhauser
 Lois Goldthwaite
 Andrew Gollan
 Michael Gonzalez
 Bruno Haible
 Ben Harris
 Jon Hitchcock
 Andreas Jaeger
 Andrew Josey
 Jonathan Lennox
 Nick Maclaren
 Jack McCann
 Wilhelm Mueller
 Joseph S. Myers
 
 | Frank Prindle
 Kenneth Raeburn
 Tim Robbins
 Glen Seeds
 Matthew Seitz
 Keld Jorn Simonsen
 Nicholas Stoughton
 Alexander Terekhov
 Donn S. Terry
 Mike Wilson
 Garrett A. Wollman
 Mark Ziegast
 
 | 
Austin Group Working Group Members
| Harold C. Adams
 Alejandro Alonso
 Jay Ashford
 Theodore P. Baker
 David J. Blackwood
 Julian Blake
 Mitchell Bonnett
 Andries Brouwer
 Mark Brown
 Eric W. Burger
 Alan Burns
 Dave Butenhof
 Keith Chow
 Geoff Clare
 Luis Cordova
 Donald W. Cragun
 Dragan Cvetkovic
 Lee Damico
 Ken Dawson
 Jeroen Dekkers
 Juan Antonio De La Puente
 Steven J. Dovich
 Ulrich Drepper
 Dr. Sourav Dutta
 Larry Dwyer
 Paul Eggert
 Joanna Farley
 
 | Clive D.W. Feather
 Yaacov Fenster
 Cathy Fox
 Mark Funkenhauser
 Lois Goldthwaite
 Andrew Gollan
 Michael Gonzalez
 Karen D. Gordon
 Scott Gudgel
 Joseph M. Gwinn
 Steven A. Haaser
 Bruno Haible
 Charles E. Hammons
 Bryan Harold
 Ben Harris
 Barry Hedquist
 Karl Heubaum
 Jon Hitchcock
 Andreas Jaeger
 Andrew Josey
 Kenneth Lang
 Pi-Cheng Law
 Jonathan Lennox
 Nick Maclaren
 Roger J. Martin
 Jack McCann
 George Miao
 
 | Wilhelm Mueller
 Finnbarr P. Murphy
 Joseph S. Myers
 Alexey Neyman
 Charles Ngethe
 Peter Petrov
 Frank Prindle
 Vikram Punj
 Kenneth Raeburn
 Francois Riche
 Tim Robbins
 Curtis Royster Jr.
 Diane Schleicher
 Gil Shultz
 Stephen C. Schwarm
 Glen Seeds
 Matthew Seitz
 Keld Jorn Simonsen
 Doug Stevenson
 Nicholas Stoughton
 Alexander Terekhov
 Donn S. Terry
 Mike Wilson
 Garrett A. Wollman
 Oren Yuen
 Mark Ziegast
 
 | 
The Open Group
When The Open Group approved the Base Specifications, Issue 6, Technical Corrigendum 1 on 7 February 2003, the membership of The
Open Group Base Working Group was as follows:
Andrew Josey, Chair
Finnbarr P. Murphy, Vice-Chair
Mark Brown, Austin Group Liaison
Cathy Fox, Technical Editor
Base Working Group Members
| Mark Brown
 Dave Butenhof
 Donald W. Cragun
 Larry Dwyer
 Ulrich Drepper
 
 | Joanna Farley
 Andrew Gollan
 Finnbarr P. Murphy
 Frank Prindle
 Andrew K. Roach
 
 | Curtis Royster Jr.
 Nicholas Stoughton
 Kenjiro Tsuji
 
 | 
IEEE
When the IEEE Standards Board approved IEEE Std 1003.1-2001/Cor 1-2002 on 11 December 2002, the membership of the
committees was as follows:
Portable Applications Standards Committee (PASC)
Lowell G. Johnson, Chair
Joseph M. Gwinn, Vice-Chair
Jay Ashford, Functional Chair
Andrew Josey, Functional Chair
Curtis Royster Jr., Functional Chair
Nicholas Stoughton, Secretary
Balloting Committee
The following members of the balloting committee voted on IEEE Std 1003.1-2001/Cor 1-2002. Balloters may have
voted for approval, disapproval, or abstention:
| Alejandro Alonso
 Jay Ashford
 David J. Blackwood
 Julian Blake
 Mitchell Bonnett
 Mark Brown
 Dave Butenhof
 Keith Chow
 Luis Cordova
 Donald W. Cragun
 Steven J. Dovich
 Dr. Sourav Dutta
 Yaacov Fenster
 
 | Michael Gonzalez
 Scott Gudgel
 Charles E. Hammons
 Bryan Harold
 Barry Hedquist
 Karl Heubaum
 Lowell G. Johnson
 Andrew Josey
 Kenneth Lang
 Pi-Cheng Law
 George Miao
 Roger J. Martin
 Finnbarr P. Murphy
 
 | Charles Ngethe
 Peter Petrov
 Frank Prindle
 Vikram Punj
 Francois Riche
 Curtis Royster Jr.
 Diane Schleicher
 Stephen C. Schwarm
 Gil Shultz
 Nicholas Stoughton
 Donn S. Terry
 Oren Yuen
 Juan A. de la Puente
 
 | 
IEEE-SA Standards Board
When the IEEE-SA Standards Board approved IEEE Std 1003.1-2001/Cor 1-2002 on 11 December 2002, the membership was
as follows:
James T. Carlo, Chair
James H. Gurney, Vice-Chair
Judith Gorman, Secretary
| Sid Bennett
 H. Stephen Berger
 Clyde R. Camp
 Richard DeBlasio
 Harold E. Epstein
 Julian Forster*
 Howard M. Frazier
 Toshio Fukuda
 
 | Arnold M. Greenspan
 Raymond Hapeman
 Donald M. Heirman
 Richard H. Hulett
 Lowell G. Johnson
 Joseph L. Koepfinger*
 Peter H. Lips
 Nader Mehravari
 
 | Daleep C. Mohla
 William J. Moylan
 Malcolm V. Thaden
 Geoffrey O. Thompson
 Howard L. Wolfman
 Don Wright
 
 | 
Also included are the following non-voting IEEE-SA Standards Board liaisons:
Alan Cookson, NIST Representative
Satish K. Aggarwal, NRC Representative
Savoula Amanatidis, IEEE Standards Managing Editor
IEEE Std 1003.1-2001/Cor 2-2004 was prepared by the Austin Group, sponsored by the Portable Applications
Standards Committee of the IEEE Computer Society, The Open Group, and ISO/IEC JTC 1/SC22/WG15.
The Austin Group
At the time of approval, the membership of the Austin Group was as follows:
Andrew Josey, Chair
Donald W. Cragun, Organizational Representative, IEEE PASC
Nicholas Stoughton, Organizational Representative, ISO/IEC JTC 1/SC22/WG15
Mark Brown, Organizational Representative, The Open Group
Cathy Fox, Technical Editor
Austin Group Technical Reviewers
| Jay Ashford
 Julian Blake
 Mitchell Bonnett
 Andries Brouwer
 Mark Brown
 Paul Buerger
 Dave Butenhof
 Keith Chow
 Geoff Clare
 Donald W. Cragun
 Lee Damico
 Maulik Dave
 Juan A. de la Puente
 Guru Dutt Dhingra
 Loic Domaigne
 Ulrich Drepper
 Sourav Dutta
 Larry Dwyer
 Paul Eggert
 Joanna Farley
 
 | Clive D.W. Feather
 Yaacov Fenster
 Mark Funkenhauser
 Ernesto Garcia
 Andrew Gollan
 Michael Gonzalez
 Jean-Denis Gorin
 Matthew Gream
 Scott Gudgel
 Bruno Haible
 Charles Hammons
 Barry Hedquist
 Jon Hitchcock
 Lowell G. Johnson
 Andrew Josey
 Piotr Karocki
 David Leciston
 Ryan Madron
 Roger J. Martin
 George Miao
 
 | Rajesh Moorkath
 Peter Petrov
 Franklin Prindle
 Vikram Punj
 Eusebio Rufian-Zilbermann
 Joerg Schilling
 Stephen Schwarm
 Gil Shultz
 Keld Simonsen
 Nicholas Stoughton
 Alexander Terekhov
 Donn Terry
 Mark-Rene Uchida
 Thomas Unsicker
 Scott Valcourt
 Mats Wichmann
 Garrett A. Wollman
 Oren Yuen
 Mark Ziegast
 
 | 
Austin Group Working Group Members
| Harold C. Adams
 Jay Ashford
 Theodore P. Baker
 David J. Blackwood
 Julian Blake
 Mitchell Bonnett
 Andries Brouwer
 Mark Brown
 Paul Buerger
 Alan Burns
 Dave Butenhof
 Keith Chow
 Geoff Clare
 Donald W. Cragun
 Dragan Cvetkovic
 Lee Damico
 Maulik Dave
 Juan A. de la Puente
 Loic Domaigne
 Steven J. Dovich
 Ulrich Drepper
 Guru Dutt Dhingra
 Sourav Dutta
 Larry Dwyer
 Paul Eggert
 Joanna Farley
 Clive D.W. Feather
 Yaacov Fenster
 
 | Mark Funkenhauser
 Ernesto Garcia
 Lois Goldthwaite
 Andrew Gollan
 Michael Gonzalez
 Karen D. Gordon
 Jean-Denis Gorin
 Matthew Gream
 Scott Gudgel
 Joseph M. Gwinn
 Steven A. Haaser
 Charles Hammons
 Ben Harris
 Barry Hedquist
 Karl Heubaum
 Jon Hitchcock
 Andreas Jaeger
 Lowell G. Johnson
 Andrew Josey
 Piotr Karocki
 Kenneth Lang
 Pi-Cheng Law
 David Leciston
 Wojtek Lerch
 Jonathan Lennox
 Nick Maclaren
 Ryan Madron
 Roger J. Martin
 
 | George Miao
 Rajesh Moorkath
 Vilhelm Mueller
 Joseph S. Myers
 Peter Petrov
 Franklin Prindle
 Vikram Punj
 Kenneth Raeburn
 Tim Robbins
 Curtis Royster Jr.
 Eusebio Rufian-Zilbermann
 Joerg Schilling
 Stephen Schwarm
 Glen Seeds
 Gil Shultz
 Keld Simonsen
 Nicholas Stoughton
 Alexander Terekhov
 Donn Terry
 Mark-Rene Uchida
 Thomas Unsicker
 Scott Valcourt
 Mats Wichmann
 Mike Wilson
 Garrett A. Wollman
 Oren Yuen
 Mark Ziegast
 Jason Zions
 
 | 
The Open Group
When The Open Group approved the Base Specifications, Issue 6, Technical Corrigendum 2 on 18 December 2003, the membership of
The Open Group Base Working Group was as follows:
Andrew Josey, Chair
Mark Brown, Austin Group Liaison
Cathy Fox, Technical Editor
Base Working Group Members
| Mark Brown | IBM Corporation | 
| Dave Butenhof | Hewlett-Packard Company | 
| Donald W. Cragun | Sun Microsystems, Inc. | 
| Larry Dwyer | Hewlett-Packard Company | 
| Ulrich Drepper | Red Hat, Inc. | 
| Joanna Farley | Sun Microsystems, Inc. | 
| Andrew Gollan | Sun Microsystems, Inc. | 
| Andrew K. Roach | Sun Microsystems, Inc. | 
| Curtis Royster Jr. | US DoD DISA | 
| Nicholas Stoughton | USENIX Association | 
| Kenjiro Tsuji | Sun Microsystems, Inc. | 
IEEE
When the IEEE Standards Board approved IEEE Std 1003.1-2001/Cor 2-2004 on 9 February 2004, the membership of the
committees was as follows:
Portable Applications Standards Committee (PASC)
Lowell G. Johnson, Chair
Joseph M. Gwinn, Vice-Chair
Jay Ashford, Functional Chair
Andrew Josey, Functional Chair
Curtis Royster Jr., Functional Chair
Nicholas Stoughton, Secretary
Balloting Committee
The following members of the balloting committee voted on IEEE Std 1003.1-2001/Cor 2-2004. Balloters may have
voted for approval, disapproval, or abstention:
| Jay Ashford
 Julian Blake
 Mark Brown
 Keith Chow
 Donald W. Cragun
 Juan A. de la Puente
 Guru Dutt Dhingra
 Ernesto Garcia
 Michael Gonzalez
 Jean-Denis Gorin
 
 | Matthew Gream
 Scott Gudgel
 Charles Hammons
 Barry Hedquist
 Andrew Josey
 Piotr Karocki
 David Leciston
 Ryan Madron
 Roger J. Martin
 George Miao
 
 | Rajesh Moorkath
 Peter Petrov
 Vikram Punj
 Eusebio Rufian-Zilbermann
 Stephen Schwarm
 Gil Shultz
 Mark-Rene Uchida
 Thomas Unsicker
 Scott Valcourt
 Oren Yuen
 
 | 
IEEE-SA Standards Board
When the IEEE-SA Standards Board approved IEEE Std 1003.1-2001/Cor 2-2004 on 9 February 2004, the membership was
as follows:
Don Wright, Chair
Judith Gorman, Secretary
| Chuck Adams
 H. Stephen Berger
 Mark D. Bowman
 Joseph A. Bruder
 Bob Davis
 Roberto de Boisson
 Julian Forster*
 Arnold M. Greenspan
 Mark S. Halpin
 
 | Raymond Hapeman
 Richard J. Holleman
 Richard H. Hulett
 Lowell G. Johnson
 Hermann Koch
 Joseph L. Koepfinger*
 Thomas J. McGean
 Steve M. Mills
 Daleep C. Mohla
 
 | Paul Nikolich
 T. W. Olsen
 Ronald C. Petersen
 Gary S. Robinson
 Frank Stone
 Malcolm V. Thaden
 Doug Topping
 Joe D. Watson
 
 | 
Also included are the following non-voting IEEE-SA Standards Board liaisons:
Satish K. Aggarwal, NRC Representative
Richard DeBlasio, DOE Representative
Alan Cookson, NIST Representative
Savoula Amanatidis, IEEE Standards Managing Editor
Footnotes
- *
- Member Emeritus
UNIX ® is a registered Trademark of The Open Group.
POSIX ® is a registered Trademark of The IEEE.
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