Thank you very much for your great and sincere help!

I tried it again according to your way but still fail,so maybe i misunderstood your means,would u kindly write it with Chinese again.,
thanks.

This disk has much of my project in Sco openserver which is benefit to look for a job in canada.

You means Solaris is better for looking for job?but I am just a little more
familiar with sco,so what kind of books of solaris could u recommend?
or anyother good suggestion to me?