HW Assignment 4

Here's the 4th HW assignment.

1. What command allows us to know which terminal we are currently in?

2. What command lets you know what user you are currently signed in as?

3. Which command will reset the screen buffer?

4. What command allows you to list the contents of a directory in long format?

5. Which command allows you to see a history of your previously typed commands?

6. How could I execute a previously typed command from history?

7. What utility would I use to change directories?

8. Which command would display a list of environmental variables?

9. What command would I use to print out the value of an environmental variable?

10. Which utility would print out my present working directory?