On http://sources.redhat.com/cygwin/xfree/devel/ there are links to several books including http://www.msu.edu/~huntharo/xwin/docs/XWINSYS.pdf They aren't present anymore... Is Harold Hunt's Cygwin/XFree86 users guide available in a printable (non-html) format? marty mleisner@eng.mc.xerox.com Don't confuse education with schooling. Milton Friedman to Yogi Berra