Hi, all: i can't fint answers about my problem in FAQs and maillist, there is a develop tool must work on B20 envirment. Thanks BR, David -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/