Linux Operating System MCQs Based Online Test-1

Hello Friends ,This Online Test / Quiz section Contains all the suitable and related MCQs Multiple Choice Question Answers of Linux Operating System Only.

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Question 1 of 25

Q-1. Which of the following is an incorrect command?

$ lpr /etc/passwd

$ lpq

$ print /etc/passwd

$ lprem /etc/passwd

Your Answer : Correct

Your Answer : Incorrect

Question 2 of 25

Q-2. Which command adds a new user?

usernew

useradd

newuser

None of these

Your Answer : Correct

Your Answer : Incorrect

Question 3 of 25

Q-3. What does the pwd command do?

It changes the password of a user

It shows the current path where the user is

It shows the passwd file

It shows information about Linux architecture

Your Answer : Correct

Your Answer : Incorrect

Question 4 of 25

Q-4. What does the history command do?

It shows user information

It hides user information

It hides the history of commands which have been executed in the current session

It displays the complete list of commands which have been executed in the current session

Your Answer : Correct

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Question 5 of 25

Q-5. How can the version of the Linux kernel be checked?

uname -kernel

uname -r

uname -f

kernel -uname

Your Answer : Correct

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Question 6 of 25

Q-6. Which of the following vi commands will delete the current line?

del

Delete

Your Answer : Correct

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Question 7 of 25

Q-7. Which command changes permissions of files or directories?

chmod

changemod

chpermission

usermod

Your Answer : Correct

Your Answer : Incorrect

Question 8 of 25

Q-8. What does the du command do?

It shows disk usage

It shows the details of the currently logged in user

It shows the disk file size

None of these

Your Answer : Correct

Your Answer : Incorrect

Question 9 of 25

Q-9. Why is the wc command used?

It is used for sorting

It reads the file

It counts lines and characters from the file

It gives the line index

Your Answer : Correct

Your Answer : Incorrect

Question 10 of 25

Q-10. Which of the following is not a valid shell?

bash

tcsh

zsh

wsch

Your Answer : Correct

Your Answer : Incorrect

Question 11 of 25

Q-11. What does the following command do? # whatis cal

It returns a complete description about the cal command

It returns a one line description about the cal command

It returns the current date

None of these

Your Answer : Correct

Your Answer : Incorrect

Question 12 of 25

Q-12. Which of the following commands will show you a page-wise listing?

ls /bin | less

ls /bin | more

ls /bin | grep

None of the above

Your Answer : Correct

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Question 13 of 25

Q-13. Which of the following commands can be used to display a long listing of files, with a human-readable file size (like 6.8M instead of 6819467)?

ls +ah

ls -l

ls -lh

Your Answer : Correct

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Question 14 of 25

Q-14. Which is the correct syntax to display the calendar of September 2005?

cal 9 2005

calendar 2005

2005 cal

9 2005 calendar

Your Answer : Correct

Your Answer : Incorrect

Question 15 of 25

Q-15. What is the purpose of the touch command?

It creates a new empty file

It displays the contents of a file

It updates the timestamp of an already existing file

It makes a new directory

Your Answer : Correct

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Question 16 of 25

Q-16. Which of the following vi commands will save the file and exit forcefully from the vi editor?

:wq!

Your Answer : Correct

Your Answer : Incorrect

Question 17 of 25

Q-17. Who developed Linux?

Sabeer Bhatia

Bill Gates

Linus Torvalds

Linux Redhat

Your Answer : Correct

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Question 18 of 25

Q-18. How will you display the fifth man page for the inittab command?

man 6 inittab

man 5 inittab

man 4 inittab

manual 5 inittab

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Question 19 of 25

Q-19. Does Linux support wildcard characters, regular expressions and modifiers?

Yes

Your Answer : Correct

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Question 20 of 25

Q-20. Which of the following vi commands will discard the changes to the file and exit the vi editor?

Your Answer : Correct

Your Answer : Incorrect

Question 21 of 25

Q-21. Which of the following commands lets you search for text in a file without opening the file first?

pwd

grep

none of the above

Your Answer : Correct

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Question 22 of 25

Q-22. Which of the following vi commands will exit forcefully from the vi editor without saving changes to the file?

wq!

Your Answer : Correct

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Question 23 of 25

Q-23. Which of the following commands will create a softlink?

$ ln -s /etc/test test

$ ln -softlink /etc/test test

$ ln /etc/test test

$ ln -slink /etc/test test

Your Answer : Correct

Your Answer : Incorrect

Question 24 of 25

Q-24. How can you obtain a short description of the ls command?

whereis ls

whatis ls

whatis -ls

whereis -ls

Your Answer : Correct

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Question 25 of 25

Q-25. What is the name of the file where groups are added?

/etc/grp

/etc/groups

/etc/group

/usr/bin/group

Your Answer : Correct

Your Answer : Incorrect

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