Trademarks

The following terms used in this publication are trademarks of the IBM Corporation in the United States and other countries:

The following terms used in this publication, are trademarks of other companies:

X Window System          Massachusetts Institute of Technology
CalComp                  Lockheed Corporation
Versatec                 Versatec, Inc.
Spaceball                Spaceball Technologies, Inc.
HP                       Hewlet Packard Corporation.
HP GL2                   Hewlet Packard Corporation.