1.
1. UNIX is highly portable. What is portability? What makes UNIX so portable? Why is portability so important?
2. Why do you suppose professional programmers find the consistency and elegance of UNIX so appealing?
2.
1. How do you suppose a closed platform helped Apple maintain the Macintosh's user friendly interface?
2. How does a closed platform help to explain the Macintosh's limited market success?