I don't want to discourage you but you've asked some rather basic
questions along with some more advanced ones. You might benefit from
looking at a book on the language. I'll try to give a quick answer to
your questions.
Question 1: get error when run open XWindows
Dear All,
I am new in Poly/ML and doing a my final year project combine
with Motif.
OS: Ubuntu 9.10 and running in VMware work station 6.5.1
Question 1: get error when run open XWindows
Error-Structure (XWindows) has not been declared Found
near open