Section 17.6
Review Questions
Files

---

1. What really is a file?

2. Which operating system for personal computers used to store files using the contiguous allocation method?

3. How does contiguous allocation work?

4. What are the pros and cons of contiguous allocation?

5. What the main alternative method of storing files on disk?

6. How does this work?

7. What are the pros and cons of this method?

8. What do we call the process of periodically writing all the files to another disk or to tape, and then back to the disk in order to get all the sectors on the same or nearby tracks to improve performance?

9. What do we call all the tracks in a disk drive that are the same distance from the edge?

10. Why is this concept of groups of tracks useful?