shopping" }, "option": [{"@type": "Answer", "text": "grep 'clothes#' shopping"},{"@type": "Answer", "text": "grep 'clothes!' shopping"},{"@type": "Answer", "text": "grep 'clothes

Quiznetik

Linux Operating System | Set 1

1. What command is used to count the total number of lines, words, and characters contained in a file?

A. countw

B. wcount

C. wc

D. count p

Correct : C. wc

2. What command is used to remove files?

A. dm

B. rm

C. delete

D. erase

Correct : B. rm

3. What command is used to remove the directory?

A. rdir

B. remove

C. rd

D. rmdir

Correct : D. rmdir

4. What command is used with vi editor to delete a single character?

A. x

B. y

C. a

D. z

Correct : A. x

5. What hardware architectures are not supported by Red Hat?

A. SPARC

B. IBM-compatible

C. Alpha

D. Macintosh

Correct : D. Macintosh

6. How can you add Amit, a new user, to your system?

A. Using useradd

B. Using adduser

C. Using linuxconf

D. All of the above

Correct : D. All of the above

7. How could you install the file ipchains-1.3.9-5.i386.rpm?

A. rpm -qip ipchains

B. rpm -Uvh ipchains

C. rpm -i ipchains* .i386.rpm

D. rpm -e ipchains-1.3.9-5.i386.rpm

Correct : C. rpm -i ipchains* .i386.rpm

8. What does FSF stand for?

A. Free Software File

B. File Server First

C. First Serve First

D. Free Software Foundation

Correct : D. Free Software Foundation

9. What command do you use to create Linux file systems?

A. fdisk

B. mkfs

C. fsck

D. mount

Correct : B. mkfs

10. Which of the following command can you execute to count the number of lines in a file?

A. lc

B. wc - l

C. cl

D. count

Correct : B. wc - l

11. Which of the following is not a communication command?

A. grep

B. mail

C. mesg

D. write

Correct : A. grep

12. What command is used to display the characteristics of a process?

A. au

B. ps

C. du

D. pid

Correct : B. ps

13. What command is used to list only the files chap0l, chap02 and chap04?

A. ls chap*

B. ls chap[124]

C. ls - x chap0[124]

D. ls chap0[124]

Correct : C. ls - x chap0[124]

14. What command is used with vi editor to replace text from cursor to right

A. S

B. s

C. R

D. r

Correct : C. R

15. What command is used to sort the lines of data in a file in alphabetical order?

A. sort - r

B. st

C. sh

D. sort

Correct : D. sort

16. What command is used with vi editor to save file and remain in the editing mode?

A. x

B. q!

C. :w

D. :q

Correct : C. :w

17. What command is used with vi editor to move back to the beginning of a word?

A. w

B. e

C. a

D. b

Correct : D. b

18. What command is used with vi editor to search a pattern in the forward direction?

A. ??

B. //

C. ?

D. /

Correct : D. /

19. What command is used to add printing jobs to the queue?

A. Lpd

B. Lpr

C. Lpq

D. Lpc

Correct : B. Lpr

20. What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?

A. POP3

B. FTP

C. MAP

D. All of the above

Correct : A. POP3

21. What project is currently developing X server support?

A. XFree86 Project, Inc.

B. RHAD Labs

C. GNOME Project

D. All of the above

Correct : A. XFree86 Project, Inc.

22. What X-based tool is available for configuring the X Window system?

A. XConfigurator

B. XF86Setup

C. xf86config

D. All of the above

Correct : B. XF86Setup

23. Which of the following server is used with the BIND package?

A. httpd

B. shttp

C. dns

D. named

Correct : D. named

24. What port does squid listen, by default?

A. 4322

B. 2314

C. 7334

D. 3128

Correct : D. 3128

25. Which of the following is the main Apache configuration file?

A. /etc/apache.conf

B. /etc/httpd/config.ini

C. /etc/httpd/conf/httpd.conf

D. /etc/srm.conf

Correct : C. /etc/httpd/conf/httpd.conf

26. Which of the following command is used to access an SMB share on a Linux system?

A. NFS

B. SMD

C. smbclient

D. smbserver

Correct : C. smbclient

27. Which of the following command is used to see the services running in NFS server?

A. rpcinfo

B. serverinfo

C. NFSinfo

D. infserv

Correct : A. rpcinfo

28. In which tcp_wrappers file can you specify to allow all connections from all hosts?

A. /etc/hosts.allow

B. /etc/hosts.deny

C. /etc/hosts

D. /etc/tcp.conf

Correct : A. /etc/hosts.allow

29. What does GNU stand for?

A. GNU's not Unix

B. Greek Needed Unix

C. General Unix

D. General Noble Unix

Correct : A. GNU's not Unix

30. What command is used to remove jobs from the print queue?

A. lpq

B. lpr

C. lprm

D. lpc

Correct : C. lprm

31. How can you navigate around virtual consoles?

A. Alt+Function Key

B. Ctrl+Function Key

C. Ctrl+Alt+Del

D. Alt+a+w+Function Key

Correct : A. Alt+Function Key

32. Which of the following NIS clients, finds and stores information about an NIS domain and server?

A. ypwhich

B. ypbind

C. ypcat

D. yppoll

Correct : B. ypbind

33. RPM

A. stands for Red Hat Package Manager

B. is used to install, uninstall, and manage packages

C. is used to keep track of the users

D. assigns a dynamic IP address

Correct : A. stands for Red Hat Package Manager

34. What command is used to query for a specific package with RPM?

A. rpm -q

B. rpm -a

C. rpm -d

D. rpm -1

Correct : A. rpm -q

35. Who founded the Linux Kernel?

A. Bill Gates

B. Ben Thomas

C. Richard Stallman

D. Linus Torvalds

Correct : D. Linus Torvalds

36. _____ tool allows you to change your default X Window desktop.

A. utilinux

B. cempre

C. switchdesk

D. window

Correct : C. switchdesk

37. In what file can you specify which users are not allowed to access a system via FTP?

A. /etc/ftpusers

B. /etc/hosts.deny

C. /etc/ftpaccess

D. All of the above

Correct : A. /etc/ftpusers

38. Which program is used to schedule particular jobs or programs at particular times on the system?

A. vi

B. Outlook

C. Scheduler

D. cron

Correct : D. cron

39. The location of some system configuration and system administrator executable files, is:

A. /home

B. /proc

C. /var

D. /sbin

Correct : D. /sbin

40. The location for subdirectories for local programs and executables for user and administrative commands, is:

A. /usr

B. /tmp

C. /opt

D. /mnt

Correct : A. /usr

41. Which of the following is not a filter command?

A. sort

B. wc

C. grep

D. cat

Correct : D. cat

42. What command is used to assign executable permission to all of the files named "report"?

A. chmod ugo + x report

B. chmod u + x report

C. chmod ugo + rw report

D. chmod ugo + r report

Correct : A. chmod ugo + x report

43. What command is used to change the working directory?

A. cdir

B. chdir

C. changedir

D. cd

Correct : D. cd

44. What command is used to count just the number of characters in a file?

A. wc - r

B. wc - w

C. wc - c

D. wc - 1

Correct : C. wc - c

45. What command can be used to get information about yourself?

A. which

B. pwd

C. i /4

D. who am i

Correct : D. who am i

46. Which of the following subdirectory(ies) contains the device files?

A. /dev

B. /bin

C. /etc

D. /home

Correct : A. /dev

47. Which of the following subdirectory(ies) contains the system configuration scripts.

A. /dev

B. /bin

C. /etc

D. /home

Correct : C. /etc

48. What of the following tool is used to check and repair Linux file systems?

A. mkfs

B. fdisk

C. fsck

D. mount

Correct : C. fsck

49. Which of the following is the main Apache configuration file?

A. httpd.conf

B. apache.con

C. /etc/profile

D. system.ini

Correct : A. httpd.conf

50. What command is used to display and create files?

A. lyrix

B. ed

C. vi

D. cat

Correct : D. cat

51. Which of the following command can be used to rename a file in LINUX?

A. ren

B. mv

C. remove

D. change

Correct : B. mv

52. What command is used to remove a file?

A. del

B. mv

C. rm

D. remove

Correct : C. rm

53. What command is used to display the top of the file?

A. grep

B. more

C. head

D. cat

Correct : C. head

54. What command is used to sort the lines of data in a file in reverse order?

A. sort - r

B. st

C. sh

D. sort

Correct : A. sort - r

55. What command is used to print a file?

A. lp

B. pg

C. prn

D. print

Correct : A. lp

56. The command chmod 761 letter is equivalent to

A. chmod 4=7, g = 6, o = 1 letter

B. chmod a = 761 letter

C. chmod u = rwx, g = rw, o = x letter

D. chmod 167 letter

Correct : C. chmod u = rwx, g = rw, o = x letter

57. What command is used with vi editor to move forward to the end of a word?

A. c

B. d

C. b

D. e

Correct : D. e

58. The IP address are based on

A. 16-bit addresses

B. 32-bit addresses

C. 64-bit addresses

D. 8-bit addresses

Correct : B. 32-bit addresses

59. Which daemon is used for the Apache server?

A. apached

B. httpd

C. html

D. shttp

Correct : B. httpd

60. Who founded the FSF?

A. Linus Torvalds

B. Richard Stallman

C. Bob Young

D. All of the above

Correct : B. Richard Stallman

61. What command is used to copy a file?

A. tar

B. cpio

C. cp

D. copy

Correct : C. cp

62. What command is used to display your current working directory?

A. path

B. pwd

C. prompt $p$g

D. dir

Correct : B. pwd

63. What command is used with vi editor to move the cursor to the left?

A. h

B. k

C. j

D. i

Correct : A. h

64. Which of the following command is used to mount NFS filesystems?

A. nfsmount

B. knfsd

C. mount

D. All of the above

Correct : C. mount

65. You just added a new user, kara, to the system. What group is kara added to by default?

A. root

B. kara

C. group

D. user

Correct : B. kara

66. Which of the following command lists the last 10 lines of a file?

A. grep

B. tail

C. head

D. cat

Correct : B. tail

67. What command is used to terminate a process?

A. kill

B. cancel

C. haltsys

D. shutdown

Correct : A. kill

68. What command is used with vi editor to delete three words?

A. 3$d

B. 3 dw

C. 3 x

D. 3 dd

Correct : B. 3 dw

69. What command is used to assign only read permission to all three categories of the file'letter'?

A. chmod u + r, g + r, o - x letter

B. chmod ugo = r letter

C. chmod a - rw letter

D. chmod go + r letter

Correct : B. chmod ugo = r letter

70. What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?

A. chmod go + x, u - x letter

B. chmod g - x, uo + r letter

C. chmod go + r, u + x letter

D. chmod u - x, go + r letter

Correct : D. chmod u - x, go + r letter

71. What command is used to assign executable permission to the owner of the file named "letter"?

A. chmod ugo + x letter

B. chmod u + x letter

C. chmod u + w letter

D. chmod g + x letter

Correct : B. chmod u + x letter

72. What command is used to summarize the disk usage?

A. disk

B. du

C. fdisk

D. chkdsk

Correct : B. du

73. What command is used to list the jobs currently in print queues?

A. lpq

B. lpr

C. lprm

D. lpc

Correct : A. lpq

74. What is the following syntax used for command 2> /dev/null

A. Send the output of command to a file called /dev/null

B. Discard standard error entirely.

C. Append the output of command to a file called /dev/null

D. Send error messages from command to a file called /dev/null

Correct : D. Send error messages from command to a file called /dev/null

75. How do you delete your crontab entry?

A. crontab -d

B. crontab -e

C. crontab -r

D. del -crontab

Correct : C. crontab -r

76. How do you create a crontab entry?

A. crontab --create

B. crontab -make

C. crontab -e

D. crontab –c

Correct : C. crontab -e

77. How would you display running httpd processes?

A. ps -C httpd

B. ps -d httpd

C. ps -r httpd

D. ps -D httpd

Correct : A. ps -C httpd

78. How would you avoid accidentally removing files?

A. rm -i

B. rm -chk

C. rm -a

D. rm -r

Correct : A. rm -i

79. How would you search for the string clothes at the end of the line in a file called shopping?

A. grep 'clothes#' shopping

B. grep 'clothes!' shopping

C. grep 'clothes$' shopping

D. grep 'clothes^' shopping

Correct : C. grep 'clothes$' shopping

80. Which runlevel allows full multiuser mode but with no graphical login manager?

A. Runlevel 1

B. Runlevel 2

C. Runlevel 3

D. Runlevel 0

Correct : C. Runlevel 3

81. How would you sort a file called shopping on column 3?

A. sort -n 3 shopping

B. sort -k 3 shopping

C. sort -c 3 shopping

D. sort -c3 shopping

Correct : B. sort -k 3 shopping

82. How do you run a job that will continue running even if you are logged out?

A. hup.out command

B. hup command

C. jobc command

D. nohup command

Correct : D. nohup command

83. What is the following syntax used for? command >file1 2>file2

A. Send command's standard output to file1,and its standard error to file2

B. Send command's standard error to file1, and its standard output to file2

C. Send command's standard error to file1, and its standard input to file2

D. Send command's standard input to file1,and its standard output to file2

Correct : A. Send command's standard output to file1,and its standard error to file2

84. What does the 2>&1 at the end of the following command mean?find / -name fred.txt > names 2>&1

A. Send standard error to a file called &1

B. Append standard error to a file called &1

C. Send standard error to the same place as standard output

D. Send the output of the find command to /dev/null

Correct : C. Send standard error to the same place as standard output

85. Which command is used to unmount a filesystem?

A. dmount

B. dismount

C. unmount

D. umount

Correct : D. umount

86. Which file determines what will be run at each runlevel?

A. /etc/init/runlevels

B. /etc/levels/fstab

C. /etc/fstab

D. /etc/inittab

Correct : D. /etc/inittab

87. What is the full path for grub's configuration file

A. /boot/grub/lsof.conf

B. /boot/grub/menu.lst

C. /etc/grub/grub.conf

D. /etc/grub/grub.txt

Correct : B. /boot/grub/menu.lst

88. How do you display the kernel release?

A. kernel -r

B. uname -r

C. cat /proc/etc/kernel/release

D. cat /etc/config/kernel/release

Correct : B. uname -r

89. What does the permission string rwxr-xr-- correspond with in octal?

A. 742

B. 754

C. 724

D. 624

Correct : B. 754

90. How do you display your current crontab entry?

A. crontab -display

B. crontab -d

C. list --crontab

D. crontab -l

Correct : D. crontab -l

91. How do you see hidden files in your home directory?

A. ls -h

B. ls -la

C. ls -hn

D. ls -R

Correct : B. ls -la

92. How do you direct the shell to execute a command in the background?

A. Put an & symbol at the end of the command line.

B. Key in fg followed by the command name.

C. Press Ctrl+c after you have keyed in the command.

D. Press Ctrl+d after you have keyed in the command.

Correct : A. Put an & symbol at the end of the command line.

93. What keyboard combination can be used to exit the shell?

A. Ctrl+E

B. Ctrl+C

C. Ctrl+D

D. Ctrl+Z

Correct : C. Ctrl+D

94. What is the purpose of the following operator? >>

A. It is used to send the output of one command so it becomes the input of a second command.

B. It is used to send both input and output to the same file.

C. It is used to overwrite the contents of a file.

D. It appends data to a file without overwriting it.

Correct : D. It appends data to a file without overwriting it.

95. How would you remove a directory that is not empty?

A. rm -r

B. rm -f

C. rmdir -f

D. rmdir -le

Correct : A. rm -r

96. To display information about the processor itself - display the contents of which file?

A. /bin/cpu

B. /dev/cpuinfo

C. /etc/cpu

D. /proc/cpuinfo

Correct : D. /proc/cpuinfo

97. To run date first, and then ls -l, which of the following is correct?

A. date $ ls -l

B. date ; ls -l

C. date - ls -l

D. date > ls -l

Correct : B. date ; ls -l

98. Which file is the list of commands you recently entered stored in?

A. .bashrc_history

B. .history

C. .bash_history

D. .bash_list_history

Correct : C. .bash_history

99. Which of the following runs the last command you entered?

A. ~!

B. !~

C. !!

D. ..

Correct : C. !!

100. What is the shortest command to take you to your home directory?

A. cd ~

B. cd $HOME

C. cd

D. .

Correct : C. cd

shopping"},{"@type": "Answer", "text": "grep 'clothes^' shopping"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 79", "text": "Which runlevel allows full multiuser mode but with no graphical login manager?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "Runlevel 3" }, "option": [{"@type": "Answer", "text": "Runlevel 1"},{"@type": "Answer", "text": "Runlevel 2"},{"@type": "Answer", "text": "Runlevel 3"},{"@type": "Answer", "text": "Runlevel 0"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 80", "text": "How would you sort a file called shopping on column 3?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "sort -k 3 shopping" }, "option": [{"@type": "Answer", "text": "sort -n 3 shopping"},{"@type": "Answer", "text": "sort -k 3 shopping"},{"@type": "Answer", "text": "sort -c 3 shopping"},{"@type": "Answer", "text": "sort -c3 shopping"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 81", "text": "How do you run a job that will continue running even if you are logged out?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "nohup command" }, "option": [{"@type": "Answer", "text": "hup.out command"},{"@type": "Answer", "text": "hup command"},{"@type": "Answer", "text": "jobc command"},{"@type": "Answer", "text": "nohup command"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 82", "text": "What is the following syntax used for? command >file1 2>file2", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "Send command's standard output to file1,and its standard error to file2" }, "option": [{"@type": "Answer", "text": "Send command's standard output to file1,and its standard error to file2"},{"@type": "Answer", "text": "Send command's standard error to file1, and its standard output to file2"},{"@type": "Answer", "text": "Send command's standard error to file1, and its standard input to file2"},{"@type": "Answer", "text": "Send command's standard input to file1,and its standard output to file2"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 83", "text": "What does the 2>&1 at the end of the following command mean?find / -name fred.txt > names 2>&1", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "Send standard error to the same place as standard output" }, "option": [{"@type": "Answer", "text": "Send standard error to a file called &1"},{"@type": "Answer", "text": "Append standard error to a file called &1"},{"@type": "Answer", "text": "Send standard error to the same place as standard output"},{"@type": "Answer", "text": "Send the output of the find command to /dev/null"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 84", "text": "Which command is used to unmount a filesystem?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "umount" }, "option": [{"@type": "Answer", "text": "dmount"},{"@type": "Answer", "text": "dismount"},{"@type": "Answer", "text": "unmount"},{"@type": "Answer", "text": "umount"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 85", "text": "Which file determines what will be run at each runlevel?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "/etc/inittab" }, "option": [{"@type": "Answer", "text": "/etc/init/runlevels"},{"@type": "Answer", "text": "/etc/levels/fstab"},{"@type": "Answer", "text": "/etc/fstab"},{"@type": "Answer", "text": "/etc/inittab"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 86", "text": "What is the full path for grub's configuration file", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "/boot/grub/menu.lst" }, "option": [{"@type": "Answer", "text": "/boot/grub/lsof.conf"},{"@type": "Answer", "text": "/boot/grub/menu.lst"},{"@type": "Answer", "text": "/etc/grub/grub.conf"},{"@type": "Answer", "text": "/etc/grub/grub.txt"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 87", "text": "How do you display the kernel release?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "uname -r" }, "option": [{"@type": "Answer", "text": "kernel -r"},{"@type": "Answer", "text": "uname -r"},{"@type": "Answer", "text": "cat /proc/etc/kernel/release"},{"@type": "Answer", "text": "cat /etc/config/kernel/release"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 88", "text": "What does the permission string rwxr-xr-- correspond with in octal?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "754" }, "option": [{"@type": "Answer", "text": "742"},{"@type": "Answer", "text": "754"},{"@type": "Answer", "text": "724"},{"@type": "Answer", "text": "624"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 89", "text": "How do you display your current crontab entry?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "crontab -l" }, "option": [{"@type": "Answer", "text": "crontab -display"},{"@type": "Answer", "text": "crontab -d"},{"@type": "Answer", "text": "list --crontab"},{"@type": "Answer", "text": "crontab -l"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 90", "text": "How do you see hidden files in your home directory?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "ls -la" }, "option": [{"@type": "Answer", "text": "ls -h"},{"@type": "Answer", "text": "ls -la"},{"@type": "Answer", "text": "ls -hn"},{"@type": "Answer", "text": "ls -R"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 91", "text": "How do you direct the shell to execute a command in the background?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "Put an & symbol at the end of the command line." }, "option": [{"@type": "Answer", "text": "Put an & symbol at the end of the command line."},{"@type": "Answer", "text": "Key in fg followed by the command name."},{"@type": "Answer", "text": "Press Ctrl+c after you have keyed in the command."},{"@type": "Answer", "text": "Press Ctrl+d after you have keyed in the command."}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 92", "text": "What keyboard combination can be used to exit the shell?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "Ctrl+D" }, "option": [{"@type": "Answer", "text": "Ctrl+E"},{"@type": "Answer", "text": "Ctrl+C"},{"@type": "Answer", "text": "Ctrl+D"},{"@type": "Answer", "text": "Ctrl+Z"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 93", "text": "What is the purpose of the following operator? >>", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "It appends data to a file without overwriting it." }, "option": [{"@type": "Answer", "text": "It is used to send the output of one command so it becomes the input of a second command."},{"@type": "Answer", "text": "It is used to send both input and output to the same file."},{"@type": "Answer", "text": "It is used to overwrite the contents of a file."},{"@type": "Answer", "text": "It appends data to a file without overwriting it."}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 94", "text": "How would you remove a directory that is not empty?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "rm -r" }, "option": [{"@type": "Answer", "text": "rm -r"},{"@type": "Answer", "text": "rm -f"},{"@type": "Answer", "text": "rmdir -f"},{"@type": "Answer", "text": "rmdir -le"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 95", "text": "To display information about the processor itself - display the contents of which file?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "/proc/cpuinfo" }, "option": [{"@type": "Answer", "text": "/bin/cpu"},{"@type": "Answer", "text": "/dev/cpuinfo"},{"@type": "Answer", "text": "/etc/cpu"},{"@type": "Answer", "text": "/proc/cpuinfo"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 96", "text": "To run date first, and then ls -l, which of the following is correct?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "date ; ls -l" }, "option": [{"@type": "Answer", "text": "date $ ls -l"},{"@type": "Answer", "text": "date ; ls -l"},{"@type": "Answer", "text": "date - ls -l"},{"@type": "Answer", "text": "date > ls -l"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 97", "text": "Which file is the list of commands you recently entered stored in?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": ".bash_history" }, "option": [{"@type": "Answer", "text": ".bashrc_history"},{"@type": "Answer", "text": ".history"},{"@type": "Answer", "text": ".bash_history"},{"@type": "Answer", "text": ".bash_list_history"}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 98", "text": "Which of the following runs the last command you entered?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "!!" }, "option": [{"@type": "Answer", "text": "~!"},{"@type": "Answer", "text": "!~"},{"@type": "Answer", "text": "!!"},{"@type": "Answer", "text": ".."}], "eduQuestionType": "Multiple choice" },{ "@type": "Question", "name": "Question 99", "text": "What is the shortest command to take you to your home directory?", "answerCount": 4, "acceptedAnswer": { "@type": "Answer", "text": "cd" }, "option": [{"@type": "Answer", "text": "cd ~"},{"@type": "Answer", "text": "cd $HOME"},{"@type": "Answer", "text": "cd"},{"@type": "Answer", "text": "."}], "eduQuestionType": "Multiple choice" }], "course": { "@type": "Course", "name": "bachelor-of-computer-applications-bca", "provider": { "@type": "Organization" }, "interactivityType": "Active", "timeRequired": "PT10M" }

Quiznetik

Linux Operating System | Set 1

1. What command is used to count the total number of lines, words, and characters contained in a file?

A. countw

B. wcount

C. wc

D. count p

Correct : C. wc

2. What command is used to remove files?

A. dm

B. rm

C. delete

D. erase

Correct : B. rm

3. What command is used to remove the directory?

A. rdir

B. remove

C. rd

D. rmdir

Correct : D. rmdir

4. What command is used with vi editor to delete a single character?

A. x

B. y

C. a

D. z

Correct : A. x

5. What hardware architectures are not supported by Red Hat?

A. SPARC

B. IBM-compatible

C. Alpha

D. Macintosh

Correct : D. Macintosh

6. How can you add Amit, a new user, to your system?

A. Using useradd

B. Using adduser

C. Using linuxconf

D. All of the above

Correct : D. All of the above

7. How could you install the file ipchains-1.3.9-5.i386.rpm?

A. rpm -qip ipchains

B. rpm -Uvh ipchains

C. rpm -i ipchains* .i386.rpm

D. rpm -e ipchains-1.3.9-5.i386.rpm

Correct : C. rpm -i ipchains* .i386.rpm

8. What does FSF stand for?

A. Free Software File

B. File Server First

C. First Serve First

D. Free Software Foundation

Correct : D. Free Software Foundation

9. What command do you use to create Linux file systems?

A. fdisk

B. mkfs

C. fsck

D. mount

Correct : B. mkfs

10. Which of the following command can you execute to count the number of lines in a file?

A. lc

B. wc - l

C. cl

D. count

Correct : B. wc - l

11. Which of the following is not a communication command?

A. grep

B. mail

C. mesg

D. write

Correct : A. grep

12. What command is used to display the characteristics of a process?

A. au

B. ps

C. du

D. pid

Correct : B. ps

13. What command is used to list only the files chap0l, chap02 and chap04?

A. ls chap*

B. ls chap[124]

C. ls - x chap0[124]

D. ls chap0[124]

Correct : C. ls - x chap0[124]

14. What command is used with vi editor to replace text from cursor to right

A. S

B. s

C. R

D. r

Correct : C. R

15. What command is used to sort the lines of data in a file in alphabetical order?

A. sort - r

B. st

C. sh

D. sort

Correct : D. sort

16. What command is used with vi editor to save file and remain in the editing mode?

A. x

B. q!

C. :w

D. :q

Correct : C. :w

17. What command is used with vi editor to move back to the beginning of a word?

A. w

B. e

C. a

D. b

Correct : D. b

18. What command is used with vi editor to search a pattern in the forward direction?

A. ??

B. //

C. ?

D. /

Correct : D. /

19. What command is used to add printing jobs to the queue?

A. Lpd

B. Lpr

C. Lpq

D. Lpc

Correct : B. Lpr

20. What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?

A. POP3

B. FTP

C. MAP

D. All of the above

Correct : A. POP3

21. What project is currently developing X server support?

A. XFree86 Project, Inc.

B. RHAD Labs

C. GNOME Project

D. All of the above

Correct : A. XFree86 Project, Inc.

22. What X-based tool is available for configuring the X Window system?

A. XConfigurator

B. XF86Setup

C. xf86config

D. All of the above

Correct : B. XF86Setup

23. Which of the following server is used with the BIND package?

A. httpd

B. shttp

C. dns

D. named

Correct : D. named

24. What port does squid listen, by default?

A. 4322

B. 2314

C. 7334

D. 3128

Correct : D. 3128

25. Which of the following is the main Apache configuration file?

A. /etc/apache.conf

B. /etc/httpd/config.ini

C. /etc/httpd/conf/httpd.conf

D. /etc/srm.conf

Correct : C. /etc/httpd/conf/httpd.conf

26. Which of the following command is used to access an SMB share on a Linux system?

A. NFS

B. SMD

C. smbclient

D. smbserver

Correct : C. smbclient

27. Which of the following command is used to see the services running in NFS server?

A. rpcinfo

B. serverinfo

C. NFSinfo

D. infserv

Correct : A. rpcinfo

28. In which tcp_wrappers file can you specify to allow all connections from all hosts?

A. /etc/hosts.allow

B. /etc/hosts.deny

C. /etc/hosts

D. /etc/tcp.conf

Correct : A. /etc/hosts.allow

29. What does GNU stand for?

A. GNU's not Unix

B. Greek Needed Unix

C. General Unix

D. General Noble Unix

Correct : A. GNU's not Unix

30. What command is used to remove jobs from the print queue?

A. lpq

B. lpr

C. lprm

D. lpc

Correct : C. lprm

31. How can you navigate around virtual consoles?

A. Alt+Function Key

B. Ctrl+Function Key

C. Ctrl+Alt+Del

D. Alt+a+w+Function Key

Correct : A. Alt+Function Key

32. Which of the following NIS clients, finds and stores information about an NIS domain and server?

A. ypwhich

B. ypbind

C. ypcat

D. yppoll

Correct : B. ypbind

33. RPM

A. stands for Red Hat Package Manager

B. is used to install, uninstall, and manage packages

C. is used to keep track of the users

D. assigns a dynamic IP address

Correct : A. stands for Red Hat Package Manager

34. What command is used to query for a specific package with RPM?

A. rpm -q

B. rpm -a

C. rpm -d

D. rpm -1

Correct : A. rpm -q

35. Who founded the Linux Kernel?

A. Bill Gates

B. Ben Thomas

C. Richard Stallman

D. Linus Torvalds

Correct : D. Linus Torvalds

36. _____ tool allows you to change your default X Window desktop.

A. utilinux

B. cempre

C. switchdesk

D. window

Correct : C. switchdesk

37. In what file can you specify which users are not allowed to access a system via FTP?

A. /etc/ftpusers

B. /etc/hosts.deny

C. /etc/ftpaccess

D. All of the above

Correct : A. /etc/ftpusers

38. Which program is used to schedule particular jobs or programs at particular times on the system?

A. vi

B. Outlook

C. Scheduler

D. cron

Correct : D. cron

39. The location of some system configuration and system administrator executable files, is:

A. /home

B. /proc

C. /var

D. /sbin

Correct : D. /sbin

40. The location for subdirectories for local programs and executables for user and administrative commands, is:

A. /usr

B. /tmp

C. /opt

D. /mnt

Correct : A. /usr

41. Which of the following is not a filter command?

A. sort

B. wc

C. grep

D. cat

Correct : D. cat

42. What command is used to assign executable permission to all of the files named "report"?

A. chmod ugo + x report

B. chmod u + x report

C. chmod ugo + rw report

D. chmod ugo + r report

Correct : A. chmod ugo + x report

43. What command is used to change the working directory?

A. cdir

B. chdir

C. changedir

D. cd

Correct : D. cd

44. What command is used to count just the number of characters in a file?

A. wc - r

B. wc - w

C. wc - c

D. wc - 1

Correct : C. wc - c

45. What command can be used to get information about yourself?

A. which

B. pwd

C. i /4

D. who am i

Correct : D. who am i

46. Which of the following subdirectory(ies) contains the device files?

A. /dev

B. /bin

C. /etc

D. /home

Correct : A. /dev

47. Which of the following subdirectory(ies) contains the system configuration scripts.

A. /dev

B. /bin

C. /etc

D. /home

Correct : C. /etc

48. What of the following tool is used to check and repair Linux file systems?

A. mkfs

B. fdisk

C. fsck

D. mount

Correct : C. fsck

49. Which of the following is the main Apache configuration file?

A. httpd.conf

B. apache.con

C. /etc/profile

D. system.ini

Correct : A. httpd.conf

50. What command is used to display and create files?

A. lyrix

B. ed

C. vi

D. cat

Correct : D. cat

51. Which of the following command can be used to rename a file in LINUX?

A. ren

B. mv

C. remove

D. change

Correct : B. mv

52. What command is used to remove a file?

A. del

B. mv

C. rm

D. remove

Correct : C. rm

53. What command is used to display the top of the file?

A. grep

B. more

C. head

D. cat

Correct : C. head

54. What command is used to sort the lines of data in a file in reverse order?

A. sort - r

B. st

C. sh

D. sort

Correct : A. sort - r

55. What command is used to print a file?

A. lp

B. pg

C. prn

D. print

Correct : A. lp

56. The command chmod 761 letter is equivalent to

A. chmod 4=7, g = 6, o = 1 letter

B. chmod a = 761 letter

C. chmod u = rwx, g = rw, o = x letter

D. chmod 167 letter

Correct : C. chmod u = rwx, g = rw, o = x letter

57. What command is used with vi editor to move forward to the end of a word?

A. c

B. d

C. b

D. e

Correct : D. e

58. The IP address are based on

A. 16-bit addresses

B. 32-bit addresses

C. 64-bit addresses

D. 8-bit addresses

Correct : B. 32-bit addresses

59. Which daemon is used for the Apache server?

A. apached

B. httpd

C. html

D. shttp

Correct : B. httpd

60. Who founded the FSF?

A. Linus Torvalds

B. Richard Stallman

C. Bob Young

D. All of the above

Correct : B. Richard Stallman

61. What command is used to copy a file?

A. tar

B. cpio

C. cp

D. copy

Correct : C. cp

62. What command is used to display your current working directory?

A. path

B. pwd

C. prompt $p$g

D. dir

Correct : B. pwd

63. What command is used with vi editor to move the cursor to the left?

A. h

B. k

C. j

D. i

Correct : A. h

64. Which of the following command is used to mount NFS filesystems?

A. nfsmount

B. knfsd

C. mount

D. All of the above

Correct : C. mount

65. You just added a new user, kara, to the system. What group is kara added to by default?

A. root

B. kara

C. group

D. user

Correct : B. kara

66. Which of the following command lists the last 10 lines of a file?

A. grep

B. tail

C. head

D. cat

Correct : B. tail

67. What command is used to terminate a process?

A. kill

B. cancel

C. haltsys

D. shutdown

Correct : A. kill

68. What command is used with vi editor to delete three words?

A. 3$d

B. 3 dw

C. 3 x

D. 3 dd

Correct : B. 3 dw

69. What command is used to assign only read permission to all three categories of the file'letter'?

A. chmod u + r, g + r, o - x letter

B. chmod ugo = r letter

C. chmod a - rw letter

D. chmod go + r letter

Correct : B. chmod ugo = r letter

70. What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?

A. chmod go + x, u - x letter

B. chmod g - x, uo + r letter

C. chmod go + r, u + x letter

D. chmod u - x, go + r letter

Correct : D. chmod u - x, go + r letter

71. What command is used to assign executable permission to the owner of the file named "letter"?

A. chmod ugo + x letter

B. chmod u + x letter

C. chmod u + w letter

D. chmod g + x letter

Correct : B. chmod u + x letter

72. What command is used to summarize the disk usage?

A. disk

B. du

C. fdisk

D. chkdsk

Correct : B. du

73. What command is used to list the jobs currently in print queues?

A. lpq

B. lpr

C. lprm

D. lpc

Correct : A. lpq

74. What is the following syntax used for command 2> /dev/null

A. Send the output of command to a file called /dev/null

B. Discard standard error entirely.

C. Append the output of command to a file called /dev/null

D. Send error messages from command to a file called /dev/null

Correct : D. Send error messages from command to a file called /dev/null

75. How do you delete your crontab entry?

A. crontab -d

B. crontab -e

C. crontab -r

D. del -crontab

Correct : C. crontab -r

76. How do you create a crontab entry?

A. crontab --create

B. crontab -make

C. crontab -e

D. crontab –c

Correct : C. crontab -e

77. How would you display running httpd processes?

A. ps -C httpd

B. ps -d httpd

C. ps -r httpd

D. ps -D httpd

Correct : A. ps -C httpd

78. How would you avoid accidentally removing files?

A. rm -i

B. rm -chk

C. rm -a

D. rm -r

Correct : A. rm -i

79. How would you search for the string clothes at the end of the line in a file called shopping?

A. grep 'clothes#' shopping

B. grep 'clothes!' shopping

C. grep 'clothes$' shopping

D. grep 'clothes^' shopping

Correct : C. grep 'clothes$' shopping

80. Which runlevel allows full multiuser mode but with no graphical login manager?

A. Runlevel 1

B. Runlevel 2

C. Runlevel 3

D. Runlevel 0

Correct : C. Runlevel 3

81. How would you sort a file called shopping on column 3?

A. sort -n 3 shopping

B. sort -k 3 shopping

C. sort -c 3 shopping

D. sort -c3 shopping

Correct : B. sort -k 3 shopping

82. How do you run a job that will continue running even if you are logged out?

A. hup.out command

B. hup command

C. jobc command

D. nohup command

Correct : D. nohup command

83. What is the following syntax used for? command >file1 2>file2

A. Send command's standard output to file1,and its standard error to file2

B. Send command's standard error to file1, and its standard output to file2

C. Send command's standard error to file1, and its standard input to file2

D. Send command's standard input to file1,and its standard output to file2

Correct : A. Send command's standard output to file1,and its standard error to file2

84. What does the 2>&1 at the end of the following command mean?find / -name fred.txt > names 2>&1

A. Send standard error to a file called &1

B. Append standard error to a file called &1

C. Send standard error to the same place as standard output

D. Send the output of the find command to /dev/null

Correct : C. Send standard error to the same place as standard output

85. Which command is used to unmount a filesystem?

A. dmount

B. dismount

C. unmount

D. umount

Correct : D. umount

86. Which file determines what will be run at each runlevel?

A. /etc/init/runlevels

B. /etc/levels/fstab

C. /etc/fstab

D. /etc/inittab

Correct : D. /etc/inittab

87. What is the full path for grub's configuration file

A. /boot/grub/lsof.conf

B. /boot/grub/menu.lst

C. /etc/grub/grub.conf

D. /etc/grub/grub.txt

Correct : B. /boot/grub/menu.lst

88. How do you display the kernel release?

A. kernel -r

B. uname -r

C. cat /proc/etc/kernel/release

D. cat /etc/config/kernel/release

Correct : B. uname -r

89. What does the permission string rwxr-xr-- correspond with in octal?

A. 742

B. 754

C. 724

D. 624

Correct : B. 754

90. How do you display your current crontab entry?

A. crontab -display

B. crontab -d

C. list --crontab

D. crontab -l

Correct : D. crontab -l

91. How do you see hidden files in your home directory?

A. ls -h

B. ls -la

C. ls -hn

D. ls -R

Correct : B. ls -la

92. How do you direct the shell to execute a command in the background?

A. Put an & symbol at the end of the command line.

B. Key in fg followed by the command name.

C. Press Ctrl+c after you have keyed in the command.

D. Press Ctrl+d after you have keyed in the command.

Correct : A. Put an & symbol at the end of the command line.

93. What keyboard combination can be used to exit the shell?

A. Ctrl+E

B. Ctrl+C

C. Ctrl+D

D. Ctrl+Z

Correct : C. Ctrl+D

94. What is the purpose of the following operator? >>

A. It is used to send the output of one command so it becomes the input of a second command.

B. It is used to send both input and output to the same file.

C. It is used to overwrite the contents of a file.

D. It appends data to a file without overwriting it.

Correct : D. It appends data to a file without overwriting it.

95. How would you remove a directory that is not empty?

A. rm -r

B. rm -f

C. rmdir -f

D. rmdir -le

Correct : A. rm -r

96. To display information about the processor itself - display the contents of which file?

A. /bin/cpu

B. /dev/cpuinfo

C. /etc/cpu

D. /proc/cpuinfo

Correct : D. /proc/cpuinfo

97. To run date first, and then ls -l, which of the following is correct?

A. date $ ls -l

B. date ; ls -l

C. date - ls -l

D. date > ls -l

Correct : B. date ; ls -l

98. Which file is the list of commands you recently entered stored in?

A. .bashrc_history

B. .history

C. .bash_history

D. .bash_list_history

Correct : C. .bash_history

99. Which of the following runs the last command you entered?

A. ~!

B. !~

C. !!

D. ..

Correct : C. !!

100. What is the shortest command to take you to your home directory?

A. cd ~

B. cd $HOME

C. cd

D. .

Correct : C. cd