Technical data

May 1991

The information in this document is subject to change

without notice and should not be construed as a

commitment by Digital Equipment Corporation. Digital

Equipment Corporation assumes no responsibility for

any errors that may appear in this document.

The software described in this document is furnished

under a license and may be used or copied only in

accordance with the terms of such license.

No responsibility is assumed for the use or reliability of

software on equipment that is not supplied by Digital

Equipment Corporation or its afﬁliated companies.

Restricted Rights: Use, duplication, or disclosure by

the U. S. Government is subject to restrictions as set

forth in subparagraph (c) (1) (ii) of the Rights in

Technical Data and Computer Software clause at DFARS

252.227–7013.

Digital Equipment Corporation

Printed in U.S.A.

DECimage, DECstation, ULTRIX, VAXstation, VMS, and

the DIGITAL logo are trademarks of Digital Equipment

Corporation.

MS-DOS is a trademark of Microsoft Corporation.

This document was prepared and published by

Educational Services Development and Publishing,

Digital Equipment Corporation.