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      HCR Joins SCO's Fully Integrated Open Desktop System,
              Providing Leading C Debugger, dbXtra

     TORONTO, Canada, Jan. 18 -- HCR Corporation will join the
rapidly-growing group of software organizations supporting SCO's
Open Desktop, by providing dbXtra, HCR's advanced, sophisticated
debugger for C and C++ compilers.

     HCR, a leading developer of UNIX system software and tools,
will demonstrate its dbXtra version in SCO's booth throughout
Uniforum, and company executives will join SCO at a news
conference featuring Open Desktop supporters Jan. 23.

     Open Desktop is a fully integrated operating environment
based upon existing and emerging industry standards such as
System V.3.2 and OSF/Motif, the user interface product endorsed
by the Open Software Foundation (OSF). Programmers using dbXtra
under Open Desktop will be able to take advantage of Open
Desktop's functionality while increasing their productivity and
decreasing their learning time through the added value of dbXtra.

     "We are pleased to be a part of a system we believe will
play a vital role in the growth of UNIX-based systems in the
office and on desktops," said Brian Eisenberg, vice president of
sales and marketing.  "As the computing world moves rapidly
toward standardization in all aspects of software technology, we
believe Open Desktop will pave the way and become the operating
environment of choice." Eisenberg added, "Use of a powerful
standard operating environment will benefit HCR by reducing the
company's need to maintain multiple dbXtra versions for different
platforms, and introduces efficiencies in our own development
process".

     The base technology for dbXtra is X Windows and dbx from
Berkeley.  HCR engineers programmed the interface of dbXtra to
apply all advanced features of the X Window technology while
adhering to the OSF industry standards embodied in OSF/Motif.

     HCR's dbXtra in the Open Desktop environment will comprise a
key part of the company's new set of productivity tools, slated
for release starting in May this year.

dbXtra Enhancements

     HCR introduced dbXtra -- based on dbx from the University of
California at Berkeley -- in mid-1989 and has since then
significantly enhanced it.  For example, the new version includes
a powerful browser that offers on-line cross-referencing of the
target program.  Users can quickly check definitions and uses of
macros, functions, and global variables during the debug process.

     HCR also improved the interface by allowing a user to post
several windows on a terminal screen simultaneously, then define
command sequences to move between, scroll within and perform
various functions inside the different windows.

     Also, the new release speeds certain aspects of the
debugging process by up to 300 times over the original version by
using the i386 hardware registers to implement several commands.
Help facilities also are improved.

     Founded in 1976, HCR Corporation develops system software
for the expanding UNIX market.  HCR's products include both
custom and packaged software in the areas of UNIX operating
systems, development tools and networking.  The company has
provided products and services to clients such as IBM, Control
Data, Intel and Olivetti.  From its headquarters in Toronto,
Ontario, HCR serves a worldwide customer base of manufacturers,
developers and end users.

SCO and Open Desktop are trademarks of the Santa Cruz Operation,
Inc.  dbXtra is a trademark of HCR Corporation.  UNIX is a
registered trademark of AT&T.  OSF/Motif is a trademark of The
Open Software Foundation, Inc.

FOR FURTHER INFORMATION:
Heather Grief, HCR Corporation (416) 922-1937
Dick Davies, IPRA (415) 777-4161