2. Comp 145 – Introduction to UNIX

3. $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 UNIX Processes Shell Customization Simple UNIX Filters Anybody’s Guess

4. UNIX Processes Shell Customization Simple UNIX Filters Anybody’s Guess $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $400 $600 $800 $1000 $200 $600 $800 $400 $1000

5. Category 1 $200 It is the parent process of all shell processes.

6. Category 1 $400 It is the UNIX command for obtaining a list of all processes including system processes.

7. Category 1 $600 It is a system process that lacks terminal control.

8. Category 1 $800 They are the 3 primary steps of the UNIX process cycle.

9. Category 1 $1000 It is what the kernel uses to communicate with processes.

10. Category 1 $200-Answer What is init?

11. Category 1 $400-Answer What is ps -e?

12. Category 1 $600-Answer What is a daemon?

13. Category 1 $800-Answer What are fork, exec and wait?

14. Category 1 $1000-Answer What are signals?

15. Category 2 $200 It is the UNIX file where which shell the user will use is stored.

16. Category 2 $400 What is the UNIX command for making a shell variable available to all subshells.

17. Category 2 $600 It is the UNIX environment variable for setting the primary prompt string.

18. Category 2 $800 It is the command that allows you to assign a shorthand name to a longer UNIX command.

19. Category 2 $1000 It is a script that is executed when a user logs in.

20. Category 2 $200-Answer What is /etc/passwd?

21. Category 2 $400-Answer What is export?

22. Category 2 $600-Answer What is PS1?

23. Category 2 $800-Answer What is alias?

24. Category 2 $1000-Answer What is.profile?

25. Category 3 $200 It is the UNIX filter for printing a file in 2 columns.

26. Category 3 $400 They are 3 UNIX filters for comparing the contents of files.

27. Category 3 $600 It is the UNIX filter for extracting fields 1 thru 3 of a colon- delimited file.

28. Category 3 $800 It is the UNIX filter for continuously displaying the end of a growing file.

29. Category 3 $1000 It is the UNIX filter for numerically sorting a file on its 5 th field.

30. Category 3 $200-Answer What is pr –k 2?

31. Category 3 $400-Answer What are cmp, comm, and diff?

32. Category 3 $600-Answer What is cut –d: -f1-3?

33. Category 3 $800-Answer What is tail -f?

34. Category 3 $1000-Answer What is sort –n –k 5?

35. Category 4 $200 It is the UNIX command for running a command in the background even after logging off.

36. Category 4 $400 It is the UNIX command used to prevent accidental overwriting when using > and >>.

37. Category 4 $600 It is the UNIX filter for replacing the % character with the # character throughout a file.

38. Category 4 $800 It is the UNIX command for scheduling programs to run periodically.

39. Category 4 $1000 It is a shell-specific feature allowing you to recall a previous command and re-edit/ re-execute it.

40. Category 4 $200-Answer What is nohup?

41. Category 4 $400-Answer What is set –o noclobber?

42. Category 4 $600-Answer What is tr ‘%’ ‘#’?

43. Category 4 $800-Answer What is cron?

44. Category 4 $1000-Answer What is command history?

45. Final Jeopardy UNIX Filters

46. Final Jeopardy You have 1 minute to consult… It is the UNIX filter for displaying a count of each unique line in a file.

47. Final Jeopardy You have 30 seconds to consult… It is the UNIX filter for displaying a count of each unique line in a file.

48. Final Jeopardy You have 15 seconds to consult… It is the UNIX filter for displaying a count of each unique line in a file.

49. Final Jeopardy Time Is Up It is the UNIX filter for displaying a count of each unique line in a file.

50. Final Jeopardy - Answer What is uniq -c?

51. Jeopardy Thank you for playing another fine round of Comp 145’s favorite question and answer game.