Review Questions

---

1.	What is the most commonly used shell editor in Linux?
2.	What does the grep command do?
3.	What does the dc command do?
4.	If you type in cal –3 at the shell, what will be displayed?
5.	Unlike the vi editor, what mode is Emacs always in?
6.	What advantage does the Pico editor have?

Answers

1.	The vi editor.
2.	Search a file for specific characters or words.
3.	Launch a shell-based calculator.
4.	A calendar for the previous, current, and next month
5.	Insert
6.	It is much easier to use.

---