I never tried gdb on a file with a space in it. but one suggestion is gdb test\ one.exe Notice the way test one.exe is being read? Do that. -- 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/