If you are teaching a class on RedHat Linux 9, why would you use CygWin? They aren't the same by a long shot. If you were teaching a class on the GNU toolchain, then CygWin is ideal. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/