The following trademarks apply to this book:
AIX is a registered trademark of International Business Machines Corporation.
AIXwindows is a registered trademark of International Business Machines Corporation.
graPHIGS is a trademark of International Business Machines Corporation.
HP is a trademark of Hewlett-Packard Company.
IBM is a registered trademark of International Business Machines Corporation.
RS/6000 is a trademark of International Business Machines Corporation.
Spaceball is a trademark of Spatial Technologies, Inc.
X Window System is a trademark of Massachusetts Institute of Technology.