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OPEN LOOK SPECIFICATION TO BE AVAILABLE IN BOOKSTORES 
 
Books Published by Addison-Wesley 
  
 
MOUNTAIN VIEW, Calif. --September 25, 1989-- The OPEN LOOK(TM)
graphical user interface (GUI) is being documented by Sun Microsystems
in books to be published by Addison-Wesley Publishing Company.  These
books will be widely available to OPEN LOOK developers through numerous
retail channels, including computer stores and bookstores worldwide.
Two books are currently scheduled for publication in the winter of 1989
OPEN LOOK Graphical User Interface Application Style Guide and  OPEN
LOOK Graphical User Interface Functional Specification.

OPEN LOOK is a clear, intuitive, point-and-click graphical user
interface designed for a range of systems, including Sun workstations.
Developed by Sun and AT&T using technology licensed from Xerox, it is
comprised of a set of standard guidelines for an application's "look
and feel," including such elements as icons, windows, menus and mouse
operations.  OPEN LOOK adds ease of use to UNIX(R) systems so that
novice computer users can take advantage of UNIX features like
multi-tasking.  However, OPEN LOOK can be used on both UNIX and
non-UNIX platforms.

Application developers will find a complete description of the OPEN
LOOK user interface specification in the two OPEN LOOK books.  Written
by the experts at Sun Microsystems, the books provide definitive and
comprehensive information for application developers and programmers.

The  OPEN LOOK GUI Application Style Guide  gives application
developers the fundamental design principles used in OPEN LOOK and
demonstrates how these principles should be applied to specific
interface elements. The  OPEN LOOK Graphical User Interface Functional
Specification , directed toward toolkit developers, provides a detailed
element-by-element description of the OPEN LOOK user interface
specifications and shows exactly how each element should function
within software applications.

Publication of both books is scheduled for January 1990.  The  OPEN
LOOK Graphical User Interface Style Guide  will sell for $24.95 and
the  OPEN LOOK Graphical User Interface Functional Specification  will
sell for $34.95.

The OPEN LOOK GUI will be included as a standard part of UNIX System V,
Release 4 from AT&T, available to all UNIX system vendors in late
1989.  Major supporters include Lotus, Unify and Oracle Corporation.
Development toolkits for OPEN LOOK are available from Sun and AT&T.

Sun Microsystems, Inc., headquartered in Mountain View, Calif., is a
leading worldwide supplier of network-based distributed computing
systems, including professional workstations, servers and UNIX
operating system and productivity software.

###
UNIX is a registered trademark of AT&T. OPEN LOOK is a trademark of
AT&T.  All other products or services mentioned in this document are
identified by the trademarks or service marks of their respective
companies or organizations.

Press Contact:
Cathy Garfield (415) 336-6536