1000+ Linux OS Multiple Choice Question Answer [Solved]

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

2. 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

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

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

5. 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

6. 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

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

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

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

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

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

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

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

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

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

16. Which command is used to compare files?
A. cmp
B. diff
C. head
D. All of these
Answer : A

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

18. 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

19. 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

20. Samba is actually a
A. Share
B. File server
C. File
D. None of the above
Answer : B

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

22. 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

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

24. 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

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

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

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

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

29. 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

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

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

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

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

34. Protocols used by Linux are
A. TCP/IP &UUCP
B. UDP & UUCP
C. PPP & UDP
D. None of the above
Answer : A

35. 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

36. 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

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

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

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

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

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

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

43. 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

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

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

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

47. Linux is a ---------------Operating System
A. Single User
B. Multi User
C. Time Sharing
D. None of the above
Answer : B

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

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

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