1000+ Linux OS Multiple Choice Question Answer [Solved]

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

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

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

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

5. 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

6. 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

7. 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

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

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

10. 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

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

12. 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

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

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

15. 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

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

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

18. 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

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

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

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

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

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

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

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

26. 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

27. 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

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

29. 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

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

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

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

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

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

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

36. chmod 632 stuff means
A. Gives read & write& execute permission for owner write & execute for group read permission for other.
B. Gives read & write permission for owner write & execute for group Write permission for other.
C. Gives write permission for owner write & execute for group Write permission for other.
D. Gives read & write permission for owner read & execute for group Write permission for other.
Answer : B

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

38. 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

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. ls j?e - output will be
A. Filenames with 3 charcter
B. Filenames with 4 charcter
C. Filenames with 5 charcter
D. Filenames with 10 charcter
Answer : A

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

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

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

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

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

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

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

48. 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

49. 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

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