Problem
1. How will you compile a C program without leaving the editor?
2. What is the significance of the n and N commands?
3. Every time you press
a. (dot), you see a blank line inserted below your current line. Why does that happen?
4. How do you save the current line to a separate file? What do you do if the file exists?
5. How do you
(i) delete text from the current line to the beginning of the file,
(ii) copy 10 characters,
(iii) copy 10 words?