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This week's quiz is on Unix operating system. The questions are very elementary.
1. What is the command to change the password?
2. What does the command stty do?
3. What is the command to print a file one screenful at a time?
4. What is the command to ask for confirmation before removing a file?
5. How can you change the owner of a file?
6. What is the function of tar command?
7. What do you specify to run a command that is immune to interruptions from "hanging up" the terminal?
8. What does the command "wait" do?
9. How do you look up the manual entry for a command?
10. How can you get the name of your terminal?
11. What is the command to know the amount of free space in a file system?
12. How do you broadcast a message to all the users who are logged in?
13. What does the command wc do?
14. What is awk?
15. How do you make a new file system on a device?
16. What is the command to check the consistency of a file system?
17. What is the command to beautify a "C" program?
18. What is the command to link an alias to an existing file?
19. How do you find out who are logged onto the system?
20. What is the command to know the active processes?
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