Linux MCQ: Linux Multiple Choice Questions and Answers

Linux MCQ with answers and explanations for placement tests and job interviews. These solved Linux MCQs are useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our Linux MCQ (Linux multiple Choice Questions ) focuses on various Linux commands and their command-line options & parameters. It will be useful for anyone learning Linux Basics, Essentials, and/or Fundamentals. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

If you want to learn Linux in detail you can follow these courses created by industry experts, Trial of some courses is free.

Guideline of Linux MCQ:

This Linux MCQ is intended for checking your Linux knowledge. It takes 1 hour to pass the Linux MCQ. If you don’t finish the Linux MCQ within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on Linux has features of randomization which feel you a new question set at every attempt.

In this Linux Quiz, we have also implemented a feature that not allowed the user to see the next question or finish the quiz without attempting the current Linux MCQ.

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Linux MCQ

Linux MCQ: Linux Multiple Choice Questions and Answers

1 / 60

Which command is used to make a shell variable known to subsequently executed programs?

2 / 60

Linux file access control lists (ACLs) are _.

3 / 60

How could one search for the file foo.txt under the directory /home?

4 / 60

What is the key difference between a redirect (>) and piping to the tee command?

5 / 60

Packages can be downloaded but not installed with yum or dnf by specifying which option?

6 / 60

What are the three sets of permission for a file?

7 / 60

What is one major difference between brace expansion and globs?

8 / 60

What would this locate command show?

locate --regexp '^/usr.*pixmaps.*jpg$'

 

9 / 60

To configure the Kerberos client, which command should you use to import the keytab file?

10 / 60

What is the preferred source for the installation of new applications?

11 / 60

What NFS option allows the root user to access NFS shares as the root user?

12 / 60

Which command displays the list of groups to which a user belongs?

13 / 60

Which command will display the last line of the file foo.txt?

14 / 60

Why doesn't passwd -l keep a user from logging in via other methods?

15 / 60

How can the current directory and its subdirectories be searched for the file name MyFile.xml?

16 / 60

You want to resolve a long list of DNS names using dig. What should you do?

17 / 60

When would this system cron job run its task?

0 1 * * *

18 / 60

You send an email to a remote client using the following syntax. What will be in the body of the email?

date | mail -s "This is a remote test" user1@rhhost1.localnet.com

 

19 / 60

In an extended regular expression, you would use (pattern){3} to match three instances of the pattern. How would you match the same thing with an extended glob?

20 / 60

Which option will cause the echo command NOT to output a trailing newline?

21 / 60

What would this command output?

ps -e --format uid,pid,ppid,%cpu,cmd

 

22 / 60

Why is the passwd command able to modify the /etc/passwd file?

23 / 60

What does this command string do?

find / -size +10M -exec ls -l {} ;

 

24 / 60

When configuring a Samba share, how would the engineering group be specified in the smb.conf?

25 / 60

In a systemd-based OS, you can change the system hostname by editing /etc/hostname manually and then doing what?

26 / 60

When using iproute2, how do you show routing information for an IPv6 network?

27 / 60

Which of the following commands can be used to determine the time of the last login of a given user?

28 / 60

Which command in Bash executes the last line in the shell history that starts with ls?

29 / 60

To search from the current cursor position up to the beginning of the file using VIM, type __ and then the search criteria.

30 / 60

Why might would you use the usermod command ?

31 / 60

Which of the following can be used to access the command line?

32 / 60

To mount a drive-by its ID, what command would you use first to retrieve it?

33 / 60

Which of the following commands can be used to create a file?

34 / 60

How would you describe PCP (Performance Co-Pilot)?

35 / 60

ifconfig has been deprecated. What command is now recommended for changing IP addresses in the live config?

36 / 60

Which command allows you to do packet analysis from the command line?

37 / 60

Which of the following is a combined audio/video interface for the transmission of digital data?

38 / 60

Which of the following directories is often used to store log files?

39 / 60

To remove all ACLs from a directory, use setfacl with which options?

40 / 60

Which command will tell you how long a system has been running?

41 / 60

You are managing an Apache web server on a system using SELinux. By default, it cannot read personal webpages in users' home directories. What SELinux boolean would you set to allow this?

42 / 60

A backup drive was created using dd to make a bit-for-bit copy. When the drive is inserted into an iSCSI target before it is booted up, the data appears to be missing. What happened?

43 / 60

What does the /etc/nsswitch.conf file manage?

44 / 60

What command would you use to resize an LVM volume group to include an additional physical volume?

45 / 60

When archiving files, which command will preserve all file attributes including ACLs and SELinux security context?

46 / 60

When a user deletes a file using the rm command, Linux will _.

47 / 60

Which network interface always exists in a Linux system?

48 / 60

Assume the variable myNumber holds a string consisting of 10 digits. What will this command output?

echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'

 

49 / 60

In the Bash shell, what is the difference between piping into | and piping into |&?

50 / 60

What is the /etc/hosts file used for?

51 / 60

Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?

52 / 60

The ssh-copy-id command copies _ to the remote host.

53 / 60

Which of the following commands can be used to extract files from an archive?

54 / 60

What command is used to determine the amount of disk usage for a directory?

55 / 60

Which of the following will change the group that is associated with a file?

56 / 60

Which command would you use to get comprehensive documentation about any command in Linux?

57 / 60

What is a major advantage of using Logical Volume Management (LVM)?

58 / 60

What is not inherited by the child process?

59 / 60

What character class is equal to this set?

[0-9]

60 / 60

What is the job of the NetworkManager daemon?

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