1. Switch to a command-line terminal (tty2) by pressing Ctrl+Alt+F2 and log in to the ter- minal using the user name of root and the password of LNXrocks!.

2. At the command prompt, type pwd, press Enter, and ensure /root is displayed showing that you are in the root users home folder. At the command prompt, type ls. How many files with a name beginning with the word sample exist in /root?

3. At the command prompt, type ls * and press Enter. What is listed and why?

4. At the command prompt, type ls sample and press Enter. What is listed and why?

5. At the command prompt, type ls sample? and press Enter. What is listed and why?

6. At the command prompt, type ls sample?? and press Enter. What is listed and why?

7. At the command prompt, type ls sample[13] and press Enter. What is listed and why?

8. At the command prompt, type ls sample[!13] and press Enter. What is listed and why? How does this compare to the results from Step 7?

9. At the command prompt, type ls sample[1-3] and press Enter. What is listed and why?

10. At the command prompt, type ls sample[!1-3] and press Enter. What is listed and why? How does this compare to the results from Step 9?

11. Type exit and press Enter to log out of your shell.