6. What is the significance of Bootstraping? Itemize the bootstrapping sequence for a computer.

7. What is used for multibooting in Linux? How does it work?

8. Why does a Unix OS require graceful shutdown? How is it accomplished?

9. What are the four major components of a Filesystem? What purpose do they serve?

10. Describe the storage hierarchy between the storage hardware and the Operating system. List all 3 methods describing advantages and disadvantages of each method.

11. What is SAN? How is it different from traditional storage? Where is it used and why?
12. Describe limitations of MBR? How does GTP overcome these limitations?

13. Compare advantages and disadvantages of RAID 0 & 1.

14. Way is RAID 5 & 6 more efficient than RAID 1. Why is RAID 6 better than RAID 5?

15. Review the man page for chmod command and create Permission encoding for each of the following using numeric value and mnemonic syntax. (4X points)

1. chmod command to permit rwx for owner and rx for group and other.
2. chmod command to permit rwx for owner and x for group and other.
3. chmod command to permit rx for all users and w for owner.
4. chmod command to permit x for all users