1000+ Linux OS Multiple Choice Question Answer [Solved]

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

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

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

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

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

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

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

9. 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

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

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

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

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

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

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

16. 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

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

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

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

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

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

22. 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

23. The type of shell mostly used for Linux is
A. bash
B. korn
C. bourne
D. C-shell
Answer : A

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

25. 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

26. 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

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

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

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

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

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

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

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

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

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

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

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

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

39. 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

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

41. 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

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

43. 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

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

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

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

47. 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

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

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

50. 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