1000+ Linux OS MCQ for RBI Grade B officer [Solved]

1. Samba password and user password are same
A. True
B. False
C.
D.
Answer : B

2. To delete user the command is
A. rm <username>
B. delete <username>
C. userdel <username>
D. any one of the above
Answer : C

3. User passwords are stored in
A. /etc/password
B. /root/password
C. /etc/passwd
D. /root/passwd
Answer : C

4. If there is any problem with the command, the error is given by
A. Kernel
B. Shell
C. root
D. None of the above
Answer : B

5. _______ is used to change the file/folder permission
A. chown
B. chmod
C. mod
D. chgrp
Answer : B

6. -wxrwx-x is equivalent to
A. 567
B. 675
C. 571
D. 672
Answer : C

7. Which command is used to see the system date?
A. Time
B. Date
C. Month
D. None of these
Answer : B

8. The encrypted password is stored in which field of /etc/password file ?
A. first
B. second
C. third
D. last
Answer : B

9. mkdir - p is used for
A. Making directory under parent directory.
B. Making directory non existing parent directory.
C. Specified the mode of directory.
D. None of the above
Answer : B

10. A swap partition is actually
A. Primary partition
B. Extended partition
C. Extended memory
D. Virtual memory
Answer : D

11. _______ is used to rename files
A. ren
B. move
C. rename
D. mv
Answer : D

12. init 6 is
A. Shutdown
B. Restart
C. Text mode
D. Graphics mode
Answer : B

13. ls -o is used for
A. Except Group
B. Except Owner
C. Except Size in Byte
D. None of the above
Answer : A

14. All run levels are stored in
A. /etc/fstab
B. /etc/init
C. /etc/inittab
D. /etc/rc.d
Answer : C

15. The command to check a partition is
A. fsck
B. fstab
C. fdisk
D. diskdruid
Answer : A

16. _______ will add contents to an existing file
A. cat > file
B. cat >> file
C. cat file | file1
D. cat file > file1
Answer : B

17. Read & Write permission means
A. 1
B. 6
C. 2
D. 0
Answer : B

18. To remove a directory which is not empty ____ is used
A. rmdir
B. rmdir -r
C. rm -r
D. rm
Answer : C

19. To search a pattern in a file _________ can be used
A. grep
B. egrep
C. find
D. search
Answer : A

20. Output of the command 'wc <filename>' is
A. Show only line
B. Show only word.
C. Show alphabet, line, word.
D. Show only file name.
Answer : C

21. To check if a service is running, the command is
A. Ntsysv
B. setup
C. /etc/rc.d/init.d/service
D. /etc/serice
Answer : A

22. Shell is a
A. Program
B. Hardware
C. Account
D. None of the above
Answer : A

23. To change the ownership of a file use
A. chmod
B. chgrp
C. chown
D. change
Answer : C

24. /dev is used for
A. Executable file
B. Contains include file
C. Contain compiler file.
D. Device file & resource file.
Answer : D

25. To get information about the Ethernet card, ___________ command is used
A. ipconfig
B. ifconfig
C. eth0
D. man Ethernet
Answer : B

26. ls - t is used for
A. Sort by name
B. Sort by date
C. Sort by time stamp
D. Sort by alphabetic order
Answer : C

27. Linux is a dedicated server
A. True
B. False
C.
D.
Answer : B

28. To access a directory the minimum permission required is
A. r
B. w
C. x
D. All
Answer : C

29. Which command is used to see the content of a file
A. more
B. cp
C. cat
D. rmdir
Answer : C

30. sort file, will sort the contents of the file and the effect will be reflected in the file
A. True
B. False
C.
D.
Answer : B

31. The --------- command sorts lines of all the named files.
A. desc
B. cp
C. sort
D. ls -l
Answer : C

32. Linux mount partition must be a primary partition
A. True
B. False
C.
D.
Answer : B

33. In comm the 2nd column displays
A. Lines unique in the first file
B. Lines unique in the second file
C. Lines common in the both file
D.
Answer : B

34. The mounted partition information is stored in
A. /etc/passwd
B. /etc/fstab
C. /etc/inittab
D. /sbin/lilo
Answer : B

35. For a user _______ is an autoexec.bat equivalent file in Linux
A. .bashrc
B. .bash_rc
C. .bash_profile
D. .bashprofile
Answer : C

36. The X-Window system in Linux is a
A. program development environment
B. graphical user interface
C. tool to connect Linux with Windows
D. none of the above
Answer : B

37. To create multiple directories in one shot ________ is used
A. mkdir
B. mkdir -a
C. mkdir -p
D. mkdir -h
Answer : C

38. Home directory of root is
A. /home
B. /bin
C. /root
D. /boot
Answer : C

39. While installing Linux, users can be created
A. True
B. False
C.
D.
Answer : A

40. Name of the kernel file in Linux is
A. lkrnl
B. vmlinux
C. linuxbin
D. none of the above
Answer : D

41. To setup a Firewall, the command is
A. ntsysv
B. setup
C. /etc/firewall
D. /etc/install
Answer : B

42. To start graphics mode use
A. init 3
B. init 5
C. init 0
D. init 6
Answer : B

43. Output of 'sort > shoppinglist' is
A. Sorting file but not save in file.
B. Without sorting but save in file.
C. Sorting and save in a file.
D. All of the above.
Answer : C

44. Which command is used for character translation?
A. td
B. vi
C. tr
D. tail
Answer : C

45. What will be the output of the command 'tail sample'?
A. Last 10 lines of the file.
B. Last 15 lines of the file
C. Last 5 lines of the file
D. First 10 lines of file.
Answer : A

46. There can be only ----- job in foreground.
A. 1
B. 2
C. 3
D. 4
Answer : A

47. To view all the installed RPM packages use
A. rpm -qa
B. rpm -iv
C. rpm -h
D. rpm -I
Answer : A

48. The main function of grep is
A. look for numeric
B. look for string match a regular expression..
C. look for string without regular expression.
D. None of them.
Answer : B

49. The command to view the partition information is
A. fsck
B. fstab
C. fdisk
D. diskdruid
Answer : C

50. To delete an user along with its home directory, the command is
A. userdel -d username
B. userdel -D username
C. userdel -r username
D. userdel -R username
Answer : C