CSE271: Short Quiz #2 -- UNIX comands and utilities

1. Give a short description of what ls -la does. (2 points)
2. When you are logged in to a unix shell, what command will tell you where you are in the filesystem structure? (We are intentionally ignoring the shell prompt which might also show where you are.) (2 points)
3. Explain what a unix "pager" does and give an example. (3 points)
4. Imagine that you have just started a long-running program and realized that you made a mistake. What are two different things you could do to terminate this program? (4 points)