Trademarks

This document refers to many commercial products and companies. No endorsement of any of these is expressed or implied by their use here.

• Unix is a registered trademark of UNIX System Laboratories, Inc.
• VAX and VMS are registered trademarks of Digital Equipment Corporation.
• IDL is a trademark of Research Systems, Inc.
• Sun is a registered trademark of Sun Microsystems, Inc.
• Cray is a registered trademark of Cray Research, Inc.
• IBM is a registered trademark of International Business Machines, Inc.
• Iris and SGI are registered trademarks of Silicon Graphics, Inc.
• MSDOS is a registered trademark of Microsoft Corporation.
• Macintosh is a registered trademark of Apple Computer Inc.
• PostScript is a registered trademark of Adobe Systems, Inc.
• X Window system is a trademark of the Massachussetts Institute of Technology
• Motif is a trademark of the Open Software Foundation
• Post-It is a trademark of 3M Commercial Office Supply Division.