LIC ADO - Linux OS 1000+ MCQ [Solved] PDF Download

1. 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

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

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

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

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

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

7. In practical, at the most _____ terminals can be opened at a time
A. 3
B. 6
C. 10
D. 12
Answer : B

8. The core of Linux OS is also called
A. Kernel
B. Shell
C. root
D. bash
Answer : A

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

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

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

12. To give all permission to a file to all users the command is
all of the above
A. chmod a+777 file
B. chmod a+rwx file
C. chmod ugo+7 file
D. none of the above
Answer : B

13. 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

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

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

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

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

18. 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

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

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

21. Linux is a
A. Multi Tasking OS
B. Multi User OS
C. Dedicated Server
D. All of the above
Answer : A

22. 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

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

24. User can be assigned to a group while creating the user. The command for this is
A. adduser -g
B. useradd -a
C. aduser -a
D. useradd -g
Answer : A

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

26. 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

27. 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

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

29. 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

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

31. 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

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

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

34. 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

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

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

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

38. When an user is deleted it home directory contents are also deleted
A. True
B. False
C.
D.
Answer : B

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

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

41. wc -l will give the
A. Number of lines
B. Number of characters
C. Number of words
D. All of the above
Answer : A

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

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

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

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

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

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

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

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

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