Problem
1. Why did AT&T virtually give away UNIX to the world?
2. Where did BSD UNIX originate? Name some features of UNIX that were first found in BSD UNIX.
3. Which flavor of UNIX is available for free and runs on the PC?
4. Identify the companies associated with the following brands:
(i) Solaris,
(ii) AIX,
(iii) Tru64 UNIX.
5. What does X/OPEN represent? Who owns the UNIX trademark today?