Linux OS 1000+ MCQ with answer for IBPS RRB

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

2. The command for changing the permission relating to files is
A. ls-l
B. head
C. tail
D. chmod
Answer : D

3. To see the process status which command you will use?
A. chmod
B. ps
C. ls-l
D. head
Answer : B

4. who -h is used to
A. Print column headings
B. Hide detail.
C. Hide user name.
D. All of the above.
Answer : A

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

6. 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

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

8. Hidden file can be viewed using
A. ls -l
B. ls -a
C. ls -h
D. None of the above
Answer : B

9. cat > abc, if the requested file does not exist, error will be given by
A. Kernel
B. Shell
C. root
D. None of the above
Answer : A

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

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

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

13. 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

14. 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

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

16. What is the meaning of chmod 444 stuf?
A. Gives all user write permission.
B. Gives all user execute permission.
C. Gives all user read permission.
D. All of the above.
Answer : C

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

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

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

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

21. ________ gives information about an user
A. who
B. who am i
C. who -i
D. None of the above
Answer : B

22. To unmount a filesystem ________ command is ised
A. Umount
B. unmount
C. dismount
D. mount -u
Answer : A

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

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

25. 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

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

27. 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

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

29. 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

30. During Linux booting the init program is called by
A. ROM
B. Bootstrap
C. Sysinit
D. Kernel
Answer : D

31. All device files are stored in
A. /device
B. /etc/dev
C. /bin
D. /dev
Answer : D

32. 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

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

34. The symbol of wildcard(s) is
A. w
B. `
C. ? *
D. None of the above.
Answer : C

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

36. 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

37. A user is logged in on a terminal; root tries to delete the user. Will the user be deleted?
A. Yes
B. No
C.
D.
Answer : B

38. Linux kernel file name is
A. vmlinux
B. vmlinuz
C. lynx
D. linux
Answer : B

39. 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

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

41. An user can login without password
A. True
B. False
C.
D.
Answer : A

42. What is the relation between grep & egrep
A. egrap is a mother of grep.
B. Egrap is totally difference
C. Egrap is a another version of grep.
D. None of these.
Answer : C

43. Password is applied using
A. psswd
B. pssword
C. uerpasswd
D. passwd username
Answer : D

44. Default file system type of Linux is
A. etx
B. ext2
C. etx3
D. mimix
Answer : C

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

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

47. 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

48. 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

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

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