Linux OS 1000+ MCQ with answer for GMAT

1. 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

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

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

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

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

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

7. 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

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

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

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

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

12. 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

13. 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

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

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

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

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

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

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

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

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

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

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

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

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

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

27. 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

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

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

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

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

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

33. 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

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

37. 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

38. 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

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

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

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

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

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

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

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

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

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

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

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

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