Linux MCQ

Linux MCQ

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  • 20th Oct, 2022

Linux MCQ Questions

Following are mostly asked Linux MCQ test that are designed for professionals like you to crack you interviews. You can take this Linux online test before appearing to you real interview. This Linux quiz there are around 30+ multiple choice questions on Linux with four options.

1) What is the other name of new shell?

  • A. Assistant shell
  • B. Baby shell
  • C. Junior shell
  • D. Child shell

2) Superuser can change the.......permissions of any file.

  • A. other
  • B. owner
  • C. group
  • D. all of the mentioned

3) In linux file system, the passwords of different users are stored in:

  • A. /bin/shadow file
  • B. /etc/shadow file
  • C. /bin/passwd file
  • D. /etc/passwd file

4) Linux file system contains mainly:

  • A. directory files
  • B. ordinary files
  • C. device files
  • D. All of the above

5) Static files of the bootloader are installed in

  • A. /root directory
  • B. /bin directory
  • C. /boot directory
  • D. /sbin directory
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6) The contents of root filesystem is responsible to:

  • A. repair the system
  • B. boot the system
  • C. recover the system
  • D. All of the above

7) The /dev directory contains the:

  • A. kernel modules of device drivers
  • B. device files
  • C. device drivers
  • D. None of the above

8) System binaries are stored in:

  • A. /usr/local/sbin directory
  • B. /sbin directory
  • C. /usr/sbin directory
  • D. All of the above

9) What is /root?

  • A. home directory of the root user
  • B. the directory which contains all the directories of the filesystem
  • C. root file system
  • D. None

10) Operating system kernel must be located in:

  • A. /boot
  • B. /
  • C. either in / or in /boot
  • D. None of the above

11) What is the function of bind command in bash shell?

  • A. dumping the installed key bindings
  • B. defining new macros
  • C. defining new key bindings for existing commands
  • D. All of the above

12) The command ‘compgen -c’ shows

  • A. all system wide aliases
  • B. full list of all commands
  • C. all variable names
  • D. none of the mentioned

13) The command ‘disown -r’

  • A. marks jobs to not receive SIGHUP when bash exits
  • B. marks all jobs
  • C. removes all running jobs
  • D. removes all jobs

14) Which command can create environment variable?

  • A. set
  • B. export
  • C. read
  • D. None of these

15) Parameters can be passed to a function:

  • A. by using the parameter & environment variables
  • B. by using the parameter variables $1, $2, $3…….
  • C. by using the environment variables
  • D. None of these

16) The keyword ‘local’ is used:

  • A. to redefine any global variable
  • B. this is not a valid keyword
  • C. to define a variable within a function for its local scope
  • D. None of these

17) With the help of proc file system:

  • A. kernel modules can send the information to processes & process information can be accessed
  • B. process information can be accessed
  • C. kernel and kernel modules can send the information to processes
  • D. none

18) Proc files are:

  • A. read-write files
  • B. read-only files
  • C. both read-write and read-only files
  • D. None of the above

19) The files of /proc directory are:

  • A. generated by the kernel
  • B. stored in secondary memory
  • C. stored in secondary memory & generated by the kernel
  • D. none

20) The command “cd /proc/10/cwd” provides the:

  • A. current version of the filesystem
  • B. current working directory of process having PID 10
  • C. current status of the process having PID 10
  • D. None of the above

21) In Linux hard disk partition, hda2, a stands for the:

  • A. first partition
  • B. first hard drive
  • C. second hard drive
  • D. second partition

22) Single dot (.) with cd refers to:

  • A. Parent directory
  • B. Current directory
  • C. Change directory
  • D. Created directory

23) Who can change the password of any user?

  • A. SA
  • B. Everyone
  • C. End-user
  • D. Supervisor

24) What was the first version of Linux?

  • A. 0.10
  • B. 1.0
  • C. 0.11
  • D. 1.01

25) Which of the following is called as the piping symbol?

  • A. !
  • B. |
  • C. _
  • D. ~

26) Which command is called as the end-of-file command?

  • A. Ctrl+ D
  • B. Ctrl+ C
  • C. Ctrl+ V
  • D. Ctrl+ B

27) Who developed Linux?

  • A. Ken Thompson
  • B. Dennis Ritchie
  • C. Linus Torvalds
  • D. Prof. Andrew S. Tannenbaum

28) In which year Linux was developed?

  • A. 1990
  • B. 1991
  • C. 1992
  • D. 1993

29) The trial version of Linux is called:

  • A. Beta
  • B. Alpha
  • C. Stable
  • D. Gamma

30) SA is also known as root user or:

  • A. Multi user
  • B. Single user
  • C. Supervisor
  • D. Super user

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