Question 16

Which wildcards will match the following filenames? (Choose two.)
  • Question 17

    What output will be displayed when the user fredexecutes the following command?
    echo 'fred $USER'
  • Question 18

    Which of the following commands generates a list of user names from /etc/passwdalong with their login shell?
    column -s : 1,7 /etc/passwd
  • Question 19

    Which of the following commands kills the process with the PID 123 but allows the process to "clean up" before exiting?
  • Question 20

    Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?