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USENIX Windows NT Workshop, 1997
OPENNT: UNIX Application Portability to Windows NT via an Alternative Environment Subsystem
Stephen R. Walli
Softway Systems, Inc.
San Francisco, CA
Abstract
It has become too expensive to continually rewrite applications to move
them from system to system, and source code portability is an important
tool to protect existing applications investments. Our experience
clearly demonstrates that the Windows NT architecture of alternative
environment subsystems provides a way to accomplish this. OPENNT
provides the facilities of a traditional UNIX system on Windows NT, such
that existing applications developed on traditional UNIX systems can be
directly brought to Windows NT, rebuilt, and deployed. Using the
environment subsystem architecture of Windows NT, a peer environment to
the Win32 world exists, and is integrated to that world in a manner most
logical to both.
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