Linux OS Quiz Online Test Mcqs

If you are in search of Linux tests and quizzes, then you are at the right platform because we have provided so many Linux OS Quiz Online here. Now you can make a very effective preparation by reading this post-regarding Linux OS Quiz Online. A free and open-source software, Linux is a computer operating system first introduced in 1991 and since then, it has garnered a huge amount of popularity. Due to this, questions related to its usage and functions are often asked in different computer general knowledge-related exams. So now you can easily prepare answers to all those commonly asked questions by attempting the following quiz about Linux OS Quiz Online.

Linux OS Quiz Online Test Mcqs Questions with Answers Objective Type PDF

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Question 1 of 25

1. Which command is used to list all the files in your current directory(including hidden)?

ls -a

ls -t

ls -i

ls -l

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Question 1 of 25

Question 2 of 25

2. What command would send the output of cmd1 to the input of cmd2?

cmd1 ; cmd2

cmd1 || cmd2

cmd1 && cmd2

cmd1 | cmd2

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Question 2 of 25

Question 3 of 25

3. Which command is used see the list of users who are currently logged-in?

Users

Login

Which

Who

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Question 3 of 25

Question 4 of 25

4. Which command is used to get the kernel version in Linux?

uname -n

kernel

uname -s

uname -r

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Question 4 of 25

Question 5 of 25

5. Which command is used to change password of your Linux system?

Password

Change -p

Pass

Passwd

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Question 5 of 25

Question 6 of 25

6. Which command is used to record session in Linux?

Script

Session

Both a and b

None of these

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Question 6 of 25

Question 7 of 25

7. What is the output of the following command for bash shell:
echo linux $0?

linux bash

linux linux

linux echo

linux

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Question 7 of 25

Question 8 of 25

8. Which variable contains last background job process id?

$!

$?

$$

$*

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Question 8 of 25

Question 9 of 25

9. Which key combination is used to see all the hidden files in Nautilus file manager?

None of the above

Ctrl + Alt + h

Ctrl + h

Ctrl + Shift + h

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Question 9 of 25

Question 10 of 25

10. Maximum how long can a Linux filename be?

32 bytes

128 bytes

64 bytes

255 bytes

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Question 10 of 25

Question 11 of 25

11. Which command(s) is/are used to get help about a command in Linux?

None of these

info

man

Both a and b

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Question 11 of 25

Question 12 of 25

12. Which combination of keys is used to exit from terminal?

Ctrl + t

Ctrl + e

Ctrl + d

Ctrl + z

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Question 12 of 25

Question 13 of 25

13. ? Specifies?

One or more character

None of the above

Zero or more charecter

One character

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Question 13 of 25

Question 14 of 25

14. The $ variables in a shell script context designates?

The exit status of the shell script

The runtime of the script

Number of command line arguments

PID of the shell running the script

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Question 14 of 25

Question 15 of 25

15. Which command can be used to test various file attributes?

type

if

file

test

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Question 15 of 25

Question 16 of 25

16. Which of the following is not a valid login shell in Linux?

Z shell

Net Shell

Bash Shell

C shell

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Question 16 of 25

Question 17 of 25

17. Which of the following command is used to create file in Linux?

Cat

All of the above

Echo

Touch

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Question 17 of 25

Question 18 of 25

18. * Specifies?

Zero or more charecter

One or more character

None of the above

Nothing

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Question 18 of 25

Question 19 of 25

19. In Linux everything stored as a?

None of the above

Executables

file

Directory

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Question 19 of 25

Question 20 of 25

20. Which of the following file set in the current directory are identified by the regular expression a?b*?

abcd, axbb

afcc, aabb

abbb, abxy

aabb, axbc

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Question 20 of 25

Question 21 of 25

21. Which variable will display the list of the positional parameters?

$#

$?

$$

$*

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Question 21 of 25

Question 22 of 25

22. Which variable is used to display number of arguments specified in command line?

$0

$*

$?

$#

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Question 22 of 25

Question 23 of 25

23. Which command is/are used to remove directory in Linux?

only b

Both a and b

rmdir

rm -r

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Question 23 of 25

Question 24 of 25

24. Which of the following OS is not based on Linux?

CentOs

BSD

Redhat

Ubuntu

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Question 24 of 25

Question 25 of 25

25. Which of the following command can be used as an alternative to echo command?

Printr

None of these

Print

Printf

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Question 25 of 25

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What is Linux?

Linux is an operating system, just like Windows, iOS, and Mac OS. In reality, Linux powers one of the world’s most popular platforms, Android. It is an open-source Unix-like operating system based on the Linux kernel, which was first released by Linus Torvalds on September 17, 1991. Linux is usually distributed as a package. It is used in the following applications: Server operating systems are used in web servers, database servers, file servers, email servers, and other types of shared servers.

It is well-suited for all types of server applications because it is designed to support high-volume and multithreading applications. Desktop operating system for personal productivity computing.

The Disadvantages of Using Linux

It is a little more difficult to find Linux distributions with vendor support. Many commercial desktop applications do not run on Linux. It has improved, but switching from Windows or even macOS to Linux still requires a significant learning curve.