Find the word definition

Wikipedia
UWIN

UWIN is a computer software package created by David Korn which allows programs written for the operating system Unix to be built and run on Microsoft Windows with few, if any, changes. Some of the software development was subcontracted to Wipro, India. References, correct or not, to the software as U/Win and AT&T Unix for Windows can be found in some cases, especially from the early days of its existence.

UWIN source and binaries are available under the Open Source Eclipse Public License 1.0 at AT&T AST/UWIN open source downloads.