1. What is Linux?
2. What is GNU?
3. What is GPL?
4. What is the difference between Open and Closed Source?
5. What is the difference between Freeware and Shareware?
6. Who create Linux?
7. Why was Linux created?
8. Why is Linux not Unix?
9. What is POSIX and why is it important to Linux?
10. Why is desktop and Enterprise use of Linux growing so rapidly?