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.tl 'CSCI-E28''Class 2 Big Idea Questions'
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.SH
Class 2 Big Idea Questions
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Each class in CSCI-E28 is organized around a few big ideas -- 
some main questions that lead to some answers and then some more questions.

The Big Idea Questions are designed to help you review the big ideas
soon after the class to help clarify the main ideas of the class you
just attended or watched.

.SH
The Questions
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.DS
1. What is the purpose of the \fBwho\fP command?

2. What does the notation pts/11 represent?

3. What information does \fBwho\fP display?

4. Where is the information \fBwho\fP displays stored?

5. List the system calls we used to write who1.c

6. How did the output of who1.c differ from the output of \fBwho\fP ?

7. What changes did we make to who1.c to create who2.c ?

8. What is the purpose of the \fBcp\fP command?

9. List all the system calls used to write our version of \fBcp\fP.

10. What improvement did we make to who2 when we wrote who3.c ?

11. Describe how disk buffering works.

12. What is/are the benefits of buffering?
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