Linux Essentials Chapter 4 Exam

Linux Essentials Chapter 4 Exam Answer

  1. Question ID 327

    Select all the applications that provide access to the Command Line Interface (CLI)?

    (choose two)

    • opera
    • Virtual Terminal
    • Terminal window
    • firefox
  2. Question ID 328

    Which environment variable contains a list of directories that is searched for commands to execute?

    • PATH
    • PS2
    • PS1
    • EXEC
  3. Question ID 329

    Select the command that can report the location of a command:

    • what
    • where
    • which
  4. Question ID 331

    A pair of single quotes ( ‘ ) will prevent the shell from interpreting any metacharacter.

    True or False?

    • True
    • False
  5. Question ID 332

    A pair of double quotes ( ” ) will prevent the shell from interpreting any metacharacter.

    True or False?

    • True
    • False
  6. Question ID 333

    Using a pair of back quotes ( ` ) will cause a shell to execute the back-quoted text as a command and substitute the output back into the original command.

    True or False?

    • True
    • False
  7. Question ID 334

    Which of the following are glob characters?

    (choose three)

    • The asterisk “*”
    • The question mark “?”
    • The dash character “-“
    • The square brackets “[” and “]”
  8. Question ID 337

    The semicolon “;” can be used to separate multiple commands to be executed in order.

    True or False?

    • True
    • False
  9. Question ID 338

    The double ampersand characters ( && ) are used to separate commands to be executed conditionally, where if the command to the left of the ampersands fails, then the command to the right of the ampersands will be executed.

    True or False?

    • True
    • False
  10. Question ID 339

    To be able to output messages to the screen, use the _______ command:

    • display
    • type
    • print
    • echo
  11. Question ID 340

    The _______ command will print a list of the commands that you’ve previously executed.

    • eval
    • history
    • list
    • exec
  12. Question ID 341

    To execute the same command as previously executed five commands ago, you would type:

    • &5
    • !-5
    • @-5
    • !5
  13. Question ID 342

    The shell program interprets the commands you type into the terminal, into instructions that the Linux operating system can execute.

    True or False?

    • True
    • False
  14. Question ID 343

    The acronym CLI stands for:

    • Command Line Interpreter
    • Computer Link Interpreter
    • Computer Line Interface
    • Command Line Interface
  15. Question ID 344

    Traditional UNIX command options used a single dash, like -a; _______ command options use two dashes like –all.

    • LINUX
    • Kernel
    • GNU
    • shell
  16. Question ID 345

    The acronym GNU stands for:

    • Gnu’s Not Unix
    • Good News Unix
    • Gnu’s Nearly Unix
    • Go Next Unit
  17. Question ID 346

    What one character treats the character that follows it as if it was surrounded by single quotes?

    • #
    • /
    • %
  18. Question ID 347

    The main purpose of using glob characters is to be able to provide a command a list of filenames.

    True or False?

    • True
    • False

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