Cygwin is a UNIX environment for Windows.
Some users claim that it works fine.
Some have problems. We will investigate and rectify problems after Windows XP is released as a commercial product . The latest net releases of Cygwin are numbered 1.1.x or 1.3.x . The Red Hat GNUpro release is numbered 1.2 and is available only with Red Hat support contracts . The setup.exe utility, which is downloaded when you click on the above link, tracks the versions of all installed components.