Introduction to Linux I – Chapter 11 Exam Answers 2019 + PDF file

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  1. To execute a command called “simple” as a foreground process, you would type:
    • fg simple
    • simple &
    • foreground simple
    • simple
  2. The key press combination that will request a process to stop is:
    • CTRL+z
    • CTRL+p
    • CTRL+c
    • CTRL+d
  3. The key press combination that will request a running process terminate:
    • CTRL+z
    • CTRL+d
    • CTRL+p
    • CTRL+c
  4. The main advantage of running a process in the background is:
    • The process will automatically run at a low priority
    • You can be assured that the process will not terminate early
    • The process will be logged
    • You can continue to use the shell that started the process
  5. To see the list of background processes that you have started in your shell, you can run:
    • process
    • jobs
    • work
    • list
  6. Using the kill command always terminates processes.
    True or False?

    • True
    • False
  7. To view all processes on the system, you can execute:
    • ps –all
    • ps
    • ps -f
    • ps -e
  8. In order to run a command called “tough” in the background, you would type:
    • start -b tough
    • tough&
    • tough@
    • bg tough
  9. If you want a background process to keep running after log out, you can use:
    • nokill
    • nohup
    • nofg
    • bg
  10. A popular program for monitoring running processes in real-time is:
    • watcher
    • mon
    • top
    • ghost
  11. To view statistics on memory availability, you can use:
    • mem
    • stat
    • free
    • uname
  12. To send a signal to a set of processes with the same name, you can run:
    • killall
    • grpkill
    • allkill
    • sigkill
  13. The uptime command prints a statistic representing the system load over what three time spans? (choose three)
    • Last thirty minutes
    • Last minute
    • Last five minutes
    • Last ten minutes
    • Last fifteen minutes
    • Last hour
  14. What command can be used as a prefix to another command to run it at an altered priority?
    • low
    • chpr
    • nice
    • pri
  15. What command can be used to alter the priority of a running process?
    • repri
    • renice
    • relow
    • chpr
  16. Placing an __ character at the end of the command line will put the command in the background.
    • !
    • &
    • B
    • ?
  17. A signal is:
    • A technique to tell a process to take some sort of action
    • A command option
    • A technique to send data to a process
    • A command argument
  18. Which of the following is not a valid way to send the “force kill” signal to a process?
    • kill -KILL PID
    • kill -SIGKILL PID
    • kill -9 PID
    • kill -FORCE PID
  19. Which of the following commands will stop all processes owned by the user bob? (choose two)
    • killall -u bob
    • pkill -u bob
    • kill -u bob
    • kill -l
  20. To execute a command with the lowest possible priority, which value do you pass to the nice command?
    • 0
    • 20
    • -20
    • 19
  21. To execute a command with the highest possible priority, which value do you pass to the nice command?
    • -20
    • 19
    • 0
    • 20
  22. To execute a command with the default priority, which value do you pass to the nice command?
    • -20
    • 20
    • 19
    • 0
  23. The _____ command will list the commands that are running in your terminal.
    • list
    • ps
    • proc
    • ls
  24. To change the niceness value of an existing process, you can use the _____ command.
    • renice
    • set
    • reset
    • nice
  25. To see how long the system has been running, you can use the _____ command.
    • free
    • nice
    • uptime
    • ps
  26. To send a paused process to the background, use the _____ command.
    • fg
    • ps
    • bg
    • jobs
  27. To set a priority value lower than 0, you must log in as which user?
    • Any user account
    • No user can specify a priority lower than 0
    • The root use
    • The adm user
  28. To view system memory usage, you can use the _____ command.
    • uptime
    • nice
    • free
    • ps
  29. What character do you place between commands to execute multiple commands on a single command line?
    • &
    • :
    • ~
  30. What option to the kill command will list the signals for the system?
    • -9
    • -list
    • -l
    • -r

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