| 1. | How do you define stdin, stdout, and stderr? |
| 2. | What is meant by the term "filehandle"? |
| 3. | How do you represent a number in octal? Hexadecimal? Binary? |
| 4. | What is the main difference between the print and printf functions? |
| 5. | How do double and single quotes differ in the way they treat a string? |
| 6. | What are "literals"? |
| 7. | What is the use of _ _END_ _? |
| 8. | What are backslash sequences? |
| 9. | What is the purpose of the sprintf function? |
| 10. | What is a pragma? |
| 11. | How can you check to make sure your syntax is ok? |
| 12. | What is a here document? How is it useful in CGI programs? |
