Introduction to Linux II – Chapter 01 Exam Answers 100% PDF file

How to find: Press “Ctrl + F” in the browser and fill in whatever wording is in the question to find that question/answer. If the question is not here, find it in Questions Bank.

NOTE: If you have the new question on this test, please comment Question and Multiple-Choice list in form below this article. We will update answers for you in the shortest time. Thank you! We truly value your contribution to the website.

1. Which of the following is a valid variable assignment?

  • 2=xyz
  • APP_VAR=’zero’
  • alpha-init=5
  • MY VAR= “set to one”

2. Shell variables are case insensitive.
True or False?

  • True
  • False

3. Which of the following is NOT a valid variable name?

  • _LPIC
  • VAR_1
  • 2_VAR

4. A new environment variable can be “exported” and assigned a value with a single command.True or False?

  • True
  • False

5. Which of the following is NOT a valid command for variable declaration?

  • typeset –x ENV_VAR=1
  • export ENV_VAR=1
  • newvar –x ENV_VAR=1
  • declare –x ENV_VAR=1

6. The ___________ command is used to display the value of a specific variable.

  • value
  • var
  • echo
  • set

7. Which command can be used to display both local and environment variables?

  • export –p
  • declare –x
  • set
  • env

8. A variable once declared cannot be deleted.True or False?

  • True
  • False

9. Which command can be used to delete a variable?

  • rmvar
  • set -r
  • unset
  • declare

10. PATH variable directories are searched __________ when executing a command.

  • Left to right
  • Right to left
  • In no particular order
  • Including only the first 256 characters

11. Which of the following is NOT a valid option for executing a command that is not in the directories listed in the PATH variable?

  • By typing the absolute or relative path to the command
  • Rename the command and its directory
  • Add the directory containing the command to the PATH variable
  • Copy the command to a directory listed in the PATH

12. The command PATH=$PATH:/home/John does the following:

  • Creates a new PATH variable with only the /home/John directory as the value
  • Does nothing, because anything after the : is discarded
  • Appends the directory /home/John to the existing PATH variable
  • Replaces the existing directories in the PATH with the /home/John directory

13. Consider the following value of PATH variable: /bin:/usr/local/sbin:/home/joe/bin:/home/joe/test Joe modifies the script, which is stored in the directory /home/joe/bin then places a copy of in /home/joe/test. Executing will:

  • Run the original version of the script in the /home/joe/bin directory
  • Check the timestamp and run the latest version of
  • Not run at all, reports error
  • Run the new version of the script placed in /home/joe/test

14. The ___________ command can be used to check if the command already exists.

  • type
  • ex
  • check
  • command

15. Which of the following switches will include the full path in the prompt?

  • \W
  • \e
  • \H
  • \w

16. Defining the PS1 variable in an initialization file will make changes to the prompt persistent between logins.
True or False?

  • True
  • False

17. If the command HISTIGNORE=’ls*’ is placed in the ~/.bash_profile file, which of the following commands would not be placed in the history list?

  • history
  • ls –la
  • cd
  • cat

18. Which of the following is NOT a purpose for creating an alias?

  • To create a short nickname for a long command or series of commands
  • To create “DOS-like” commands
  • To make them run faster
  • To include a command option by default

19. The command to remove an existing alias from the current shell is:

  • alias –d
  • unalias
  • unset alias
  • rmalias

20. The best way to group multiple commands and pass arguments is to:

  • Create an alias
  • Concatenate them
  • Use functions
  • Create an initialization file

21. A function accepts 3 arguments as input. The third argument of a function is identified as:

  • $arg3
  • $PATH
  • $3
  • $1

22. Changes in the __________ initialization file will affect all the users on the system.

  • Global
  • Local
  • Network
  • Shell

23. Local initialization files, by default, are stored in which directory?

  • /etc
  • User’s home directory
  • /usr
  • /bin

24. A Login BASH shell executes which of the following additional files (compared to an interactive BASH shell)?

  • /etc/profile and /etc/bashrc
  • /etc/profile and ~/.bashrc
  • /etc/profile and either ~/.bash_profile or ~/.bash_login or ~/.profile
  • ~/.bash_profile and ~/.bashrc

25. Administrators use the __________ file to create key environment variables and set key system values for every user.

  • /etc/bashrc
  • /etc/profile
  • /etc/config
  • .profile

26. Sourcing is an effective way to test initialization file changes. Which of the following is used to source a file?

  • touch command
  • ~ character
  • Either . character or the source command
  • None of the above

27. Which script is executed when you exit the shell?

  • /etc/bashrc
  • ~/.bash_profile
  • ~/.bashrc
  • ~/.bash_logout

28. Typical BASH exit scripts are found in ~/.bash_logout and __________ files.

  • /etc/bash_logout
  • ~/.bash_profile
  • /etc/bashrc
  • /etc/profile

29. Most of the Linux commands used by regular users can be found in which directory?

  • ~/bin
  • /usr/bin
  • /usr/local/sbin
  • /sbin

Download PDF File below:

Notify of

Inline Feedbacks
View all comments