Trademarks

The following information is given for the convenience of users of this standard and does not constitute endorsement of these products by The Open Group or the IEEE. There may be other products mentioned in the text that might be covered by trademark protection and readers are advised to verify them independently.

1003.1^TM is a trademark of the Institute of Electrical and Electronic Engineers, Inc.

AIX® is a registered trademark of IBM Corporation.

AT&T® is a registered trademark of AT&T in the U.S.A. and other countries.

BSD^TM is a trademark of the University of California, Berkeley, U.S.A.

Hewlett-Packard®, HP®, and HP-UX® are registered trademarks of Hewlett-Packard Company.

IBM® is a registered trademark of International Business Machines Corporation.

Motif®, OSF/1®, UNIX®, and the "X Device" are registered trademarks and IT DialTone^TM and The Open Group^TM are trademarks of The Open Group in the U.S. and other countries.

POSIX® is a registered trademark of the Institute of Electrical and Electronic Engineers, Inc.

Sun® and Sun Microsystems® are registered trademarks of Sun Microsystems, Inc.

/usr/group® is a registered trademark of UniForum, the International Network of UNIX System Users.