Linux Essentials Certification Exam LPI 010-150 Questions Quiz (80 Questions)

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Linux Quizzes & Trivia

Those beginning their Linux careers may find the Linux Essentials certification a good place to start before jumping into the more advanced LPIC certifications. Linux Essentials cover basic skills, such as command-line editing and the Linux operating system. This quiz will give you a chance to revise for the exam. All the best!


Questions and Answers
  • 1. 
    • A. 

      Whoami

    • B. 

      Isgroup

    • C. 

      Who

    • D. 

      Id

  • 2. 
    Which of the following can be used to access the command line?
    • A. 

      BIOS

    • B. 

      Terminal

    • C. 

      XWindow

    • D. 

      Firefox

    • E. 

      Xargs

  • 3. 
    Which of the following commands increases the number of elements in a directory  (choose two answers)
    • A. 

      Touch newfile

    • B. 

      Create newfile

    • C. 

      Ls newfile

    • D. 

      Rmdir newdirectory

    • E. 

      Mkdir newdirectory

  • 4. 
    Which of the following are correct commands for changing the current directory  to the user's home? (Choose TWO answers)
    • A. 

      Cd /home

    • B. 

      Cd ~

    • C. 

      Cd ..

    • D. 

      Cd

    • E. 

      Cd /

  • 5. 
    Which option will cause the echo command NOT to output a trailing newline?
    • A. 

      -e

    • B. 

      -p

    • C. 

      -n

    • D. 

      -s

  • 6. 
    Which of the following commands moves the directory ~/summer-vacation and it content to ~/vacation/2011?
    • A. 

      Mv ~/vacation/2011 ~/summer-vacation

    • B. 

      Move -R ~/summer-vacation ~/vacation/2011

    • C. 

      Mv /home/summer-vacation /home/vacation/2011

    • D. 

      Mv ~/summer-vacation ~/vacation/2011

    • E. 

      Mv -R ~/summer-vacation ~/vacation/2011

  • 7. 
    Which of the following commands can be used to create a file?
    • A. 

      Touch

    • B. 

      Build

    • C. 

      Nico

    • D. 

      Create

    • E. 

      Mkfile

  • 8. 
    Which function does a shell program serve?
    • A. 

      It provides a graphical environment

    • B. 

      It is responsible for establishing a connection to another computer

    • C. 

      It receives user commands and executes them

    • D. 

      It is responsible for logging a user into the system

  • 9. 
    How could one search for the file foo.txt under the directory /home?
    • A. 

      Search /home -file foo.txt

    • B. 

      Search /home foo.txt

    • C. 

      Find /home -file foo.txt

    • D. 

      Find /home -name foo.txt

    • E. 

      Find /home foo.txt

  • 10. 
    Which of the following is a Linux based operating system for use on mobile devices?
    • A. 

      IOS

    • B. 

      CentOS

    • C. 

      Android

    • D. 

      Debian

  • 11. 
    Which command will display running process information in realtime?
    • A. 

      Top

    • B. 

      Show current

    • C. 

      Ps current

    • D. 

      Process

  • 12. 
    Which of the following Linux distributions use the dpkg package management system? (Choose two correct answers)
    • A. 

      Suse

    • B. 

      Red Hat

    • C. 

      Debian

    • D. 

      Ubuntu

    • E. 

      Mandriva

  • 13. 
    • A. 

      \ (backslash)

    • B. 

      . (dot)

    • C. 

      - (minus)

    • D. 

      _ (underscore)

  • 14. 
    • A. 

      Actdat='date'

    • B. 

      Set actdat='date'

    • C. 

      Date | acdat

    • D. 

      Date > $actdat

    • E. 

      Actdat=date

  • 15. 
    • A. 

      Ln -sys /home/user/foo /user/bin/foo

    • B. 

      Ln -s /user/bin/foo /home/user/foo

    • C. 

      Ln /home/user/foo /user/bin/foo

    • D. 

      Ln /user/bin/foo /home/user/foo

    • E. 

      Ln --symlink /home/user/foo /user/bin/foo

  • 16. 
    Which of the following files holds the definition of the local user accounts?
    • A. 

      /etc/secret

    • B. 

      /etc/users

    • C. 

      /etc/passwd

    • D. 

      /etc/id

    • E. 

      /etc/home

  • 17. 
    What is the output of the following command?tail -n 20 test.txt
    • A. 

      The first 20 lines of test.txt

    • B. 

      The last 20 lines of test.txt omitting the black lines

    • C. 

      The last 20 lines of test.txt with line numbers

    • D. 

      The last 20 lines of test.txt including the black lines

  • 18. 
    • A. 

      Command>2>file &1>/dev/null

    • B. 

      Command /dev/null

    • C. 

      Command>2>discard-error>file

    • D. 

      Command> /dev/null 2&>1 output

    • E. 

      Command> file2>/dev/null

  • 19. 
    • A. 

      It is the sticky bit that causes all commands in this directory to be launched as a root.

    • B. 

      It means that even though the directory is global writable only the owner can delete their own files

    • C. 

      It makes the directory accessible for everybody

    • D. 

      It indicates that this directory contains only temporary files that may be deleted

    • E. 

      It is a temporary bit that prevents launching commands in this directory

    • F. 

      Option 6

  • 20. 
    After installing a new package, in which directory are you most likely find its configuration file?
    • A. 

      /lib

    • B. 

      /conf

    • C. 

      /etc

    • D. 

      /usr

    • E. 

      /opt

  • 21. 
    • A. 

      The personal settings of root are in this directory

    • B. 

      The files from the directory are copied to the home directory of the new user when starting the system

    • C. 

      The files from the directory are copied to the home directory of the new user when the account is created

    • D. 

      The directory contains a default set of configuration files used by the useradd command

    • E. 

      The directory contains the global settings for the Linux system

  • 22. 
    Which of the following file systems is most commonly used for Linux distributions?
    • A. 

      HFS+

    • B. 

      Ext4

    • C. 

      FAT32

    • D. 

      NTFS

  • 23. 
    When a new user is added, where does the user ID get stored?
    • A. 

      /etc/users

    • B. 

      /etc/realm

    • C. 

      /etc/pass

    • D. 

      /etc/shpasswd

    • E. 

      /etc/passwd

  • 24. 
    • A. 

      All passwords can be decrypted using the system administrator's master password

    • B. 

      Passwords may never start with a non-letter

    • C. 

      Users cannot change their password once it has been set

    • D. 

      Passwords are only stored in encrypted form

    • E. 

      Passwords may be at most six characters long

  • 25. 
    Which command lists all files in the current directory that starts with a capital letter?
    • A. 

      Ls [A-Z]*

    • B. 

      Ls A-Z

    • C. 

      Ls A-Z*

    • D. 

      Ls --upercasefiles

    • E. 

      Ls -uppercase-files

  • 26. 
    • A. 

      The Linux Advanced Mode Programming Interface which gives advanced capabilities to application developers

    • B. 

      The bus ID of an attached USB device that emits light

    • C. 

      Short for Lightweight Access Management Protocol which synchronizes permission in a network

    • D. 

      The combination of Linux, Apache, MySQL, and PHP and other programming languages

    • E. 

      Short for lamport-clock which is important in distributed network computing

  • 27. 
    • A. 

      The r bit is set

    • B. 

      The file must end with .sh

    • C. 

      The file line starts with #!/bin/bash

    • D. 

      /bin/bash has to be run in debug mode

    • E. 

      Scripts are never executable files

  • 28. 
    Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?
    • A. 

      Find hidden

    • B. 

      /? hidden

    • C. 

      CTRL-F hidden

    • D. 

      /hidden

  • 29. 
    While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?
    • A. 

      Files with extensions need a different treatment

    • B. 

      Rm had to be called with the option -R to delete all files

    • C. 

      The file Access.txt was probably opened by another application

    • D. 

      The file Access.txt was hidden

    • E. 

      Linux file names are case sensitive

  • 30. 
    • A. 

      Because, if data.txt is empty now, it must have been empty before

    • B. 

      Because sort cannot sort text files, only binary files

    • C. 

      Because sort detects that both files are the same

    • D. 

      Because the file gets truncated before the sort is executed

  • 31. 
    • A. 

      Grep -v fred data_file

    • B. 

      Grep '[f]red' data_file

    • C. 

      Egrep fred data_file

    • D. 

      Grep '[Ff]red' data_file

    • E. 

      Grep -i fred data_file

  • 32. 
    Which of the following statements may be used to access the second command line argument to a script?
    • A. 

      "ARG$2"

    • B. 

      $1

    • C. 

      "$2"

    • D. 

      "$1"

    • E. 

      '$2'

  • 33. 
    Which of the following commands is used to lookup the current IP address of a system?
    • A. 

      Less/proc/net/ipconfig

    • B. 

      Ifconfig

    • C. 

      Showip

    • D. 

      Ipconfig

    • E. 

      Sysinfo | grep ipaddress

  • 34. 
    Which of the following will change the group that is associated with a file?
    • A. 

      Chmod

    • B. 

      Chmod -w

    • C. 

      Chown

    • D. 

      Ls -g

  • 35. 
    The following file is found in which system file?root:x:0:0::/root:/bin/bash
    • A. 

      /etc/user.cong

    • B. 

      /etc/shadow

    • C. 

      /etc/passwd

    • D. 

      /usr/bin/shadow

    • E. 

      /etc/password

  • 36. 
    Which of the following commands will create an archive file, named backup.tar, containing all the files from the directory /home?
    • A. 

      Tar /home backup.tar

    • B. 

      Tar -cf /home backup.tar

    • C. 

      Tar -xf /home backup.tar

    • D. 

      Tar -xf backup.tar /home

    • E. 

      Tar -cf backup.tar /home

  • 37. 
    • A. 

      Anbncn

    • B. 

      Abc

    • C. 

      $token$token$token

    • D. 

      {a}{b}{c}

    • E. 

      A b c

  • 38. 
    • A. 

      ATI

    • B. 

      DVD

    • C. 

      HDMI

    • D. 

      VGA

    • E. 

      DVI

  • 39. 
    Which of the following commands can be used to view a file and do search operations within it while viewing the contents?
    • A. 

      Less

    • B. 

      Find

    • C. 

      Grep

    • D. 

      Report

    • E. 

      See

  • 40. 
    • A. 

      Cloud Computing provides new tools to manage IT resources

    • B. 

      From the business perspective, Cloud Computing means outsourcing or centralization of IT operations

    • C. 

      Cloud Computing is the opposite of the Green IT; i.e., the use of fossil non-regenerative energy for computing

    • D. 

      Cloud Computing implies sharing all information with everyone else in 'the cloud'

  • 41. 
    What keyword is missing from the following segment of the shell script?for i in*;----cat $idone
    • A. 

      Do

    • B. 

      Then

    • C. 

      Endo

    • D. 

      Fi

    • E. 

      Run

  • 42. 
    A Linux computer has no access to the Internet. Which command displays information about the network gateway for the system?
    • A. 

      Traceroute

    • B. 

      Ifconfig

    • C. 

      Gateway

    • D. 

      Route

    • E. 

      Ipconfig

  • 43. 
  • 44. 
    When typing a long command line at the shell, what single character can be  used to split a command across multiple lines?
  • 45. 
    What is the command that will show system boot time messages?
    • A. 

      Dmesg

    • B. 

      Echo

    • C. 

      Lspci

    • D. 

      Display system boot

    • E. 

      Messages

  • 46. 
    Which of the following statements concerning the General Public License (GPL) is true?
    • A. 

      The GPL is designed to ensure that the source code of a software remains freely available

    • B. 

      The GPL is identical to the BSD license

    • C. 

      GPL software may never be sold for money

    • D. 

      If you changed a program you received under the GPL, you must send your changes to the original author for approval

    • E. 

      GPL software may not be used to run nuclear reactors or air traffic control systems

  • 47. 
    What permissions are set on a file with the command chmod 654 file.txt?
    • A. 

      Drw-r-xr--

    • B. 

      D--wxr-x--

    • C. 

      --wxr-x--x

    • D. 

      -rwxrw--x

    • E. 

      -rw-r-xr--

  • 48. 
    Which of the following commands can be used to extract content from  a tar file?
    • A. 

      Tar -xvf

    • B. 

      Tar -vf

    • C. 

      Tar -e

    • D. 

      Tar -c

    • E. 

      Tar -v

  • 49. 
    What are two character sequence is present at the beginning of an interpreted  script? Please specify two characters only
  • 50. 
    • A. 

      Konqueror

    • B. 

      Firefox

    • C. 

      Links

    • D. 

      Opera

    • E. 

      Chrome

  • 51. 
    Which command line can be used to search help files that mention the word "copy"?
    • A. 

      Man -k copy

    • B. 

      Whatis copy

    • C. 

      Man copy

    • D. 

      Copy help

    • E. 

      Copy -help

  • 52. 
    Which of the following commands will display a list of all files in the current directory, including  those that may be hidden?
    • A. 

      Ls -a

    • B. 

      Ls --hidden

    • C. 

      Ls -h

    • D. 

      Ls --a

  • 53. 
    Which command shows if /usr/bin is in the current shell search path?
    • A. 

      Cat PATH

    • B. 

      Echo $PATH

    • C. 

      Echo %PATH

    • D. 

      Cat $PATH

    • E. 

      Echo %PATH%

  • 54. 
    • A. 

      License costs

    • B. 

      Ideological preferences of the system administrator

    • C. 

      Linux can do everything, there is no need for further evaluation

    • D. 

      Availability of mandatory applications and tools

    • E. 

      Skills of the administrators and staff

  • 55. 
    • A. 

      Users who modify and distribute the software under the GPL license, must make the modifications they made, available to the recipients under the same license.

    • B. 

      The GPL license forbids the removal of the copyright and license notices from the source code files that are distributed.

    • C. 

      The GPL license contains a disclaimer of warranty requiring users not to hold the software authors liable to any damage.

    • D. 

      The GPL license requires that any legal disputes be settled with the modification of Free Software Foundation.

  • 56. 
    Which Linux distribution is used as a basis for the creation of Ubuntu Linux?
    • A. 

      Red Hat Linux

    • B. 

      Arch Linux

    • C. 

      SUSE Linux

    • D. 

      Gentoo Linux

    • E. 

      Debian Linux

  • 57. 
    Which of the following commands are used to view memory usage (Choose two correct answers).
    • A. 

      Memory

    • B. 

      Top

    • C. 

      Ps

    • D. 

      Free

    • E. 

      Nice

  • 58. 
    Which command will archive /home and its content to /mnt/backp? Choose two correct answers.
    • A. 

      Cp -ar /home /mnt/backp

    • B. 

      Mv /home /mnt/backp

    • C. 

      Sync -r /home /mnt/backp

    • D. 

      Tar -cf /mnt/backup/archive.tar /home

    • E. 

      Copy -r /home /mnt/backp

  • 59. 
    • A. 

      Postfix

    • B. 

      Thunderbird

    • C. 

      Apache

    • D. 

      GIMP

    • E. 

      MySQL

  • 60. 
    Which of the following is true about open source software?
    • A. 

      Open source software can not be copied for free

    • B. 

      Open source software is available for commercial use

    • C. 

      The freedom to redistribute copies must include binary or executable forms of the software but not the source code.

    • D. 

      Open source software is not for sale

  • 61. 
    Which of the following commands will set the variable text to olaf is home? (Select two answers)
    • A. 

      Text=olaf\ is\home

    • B. 

      Text=$olaf is home

    • C. 

      $text='olaf is home'

    • D. 

      Text=='olaf is home'

    • E. 

      Text=="olaf is home"

  • 62. 
    Where is the BIOS located?
    • A. 

      RAM

    • B. 

      Hard drive

    • C. 

      Motherboard

    • D. 

      LCD Monitor

  • 63. 
    Which network interface always exists in a Linux system?
    • A. 

      Lo

    • B. 

      Sit0

    • C. 

      Wlan0

    • D. 

      Vlan0

    • E. 

      Eth0

  • 64. 
    Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?
    • A. 

      LTS

    • B. 

      Xubuntu

    • C. 

      Ubuntu Vanilla

    • D. 

      Kubuntu

    • E. 

      Xubuntu Server

  • 65. 
    Which command will display the last line of the file foo.txt?
    • A. 

      Head -n foo.txt

    • B. 

      Tail foo.txt

    • C. 

      Last -n 1 foo.txt

    • D. 

      Tail -n 1 foo.txt

  • 66. 
    Which command would you use to get comprehensive documentation about any command in Linux?
    • A. 

      Help command

    • B. 

      Echo command

    • C. 

      Locate command

    • D. 

      Man command

    • E. 

      Get command

  • 67. 
    What is the preferred source for the installation of new applications?
    • A. 

      The vendor's version management system

    • B. 

      A CD-ROM disk

    • C. 

      The distribution's package repository

    • D. 

      The vendor's website

    • E. 

      A retail store

  • 68. 
    Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system. 
    • A. 

      /dev/hdb3

    • B. 

      /dev/hd1b3

    • C. 

      /dev/hdc1d2p3

    • D. 

      Dev/hdc1a3

    • E. 

      Dev/hdc1b3

  • 69. 
    Which command is used to make a shell variable known to subsequently executed programs?
    • A. 

      Export

    • B. 

      Announce

    • C. 

      Env

    • D. 

      Transfer

    • E. 

      Mv

  • 70. 
    What are the three sets of permission for a file?
    • A. 

      User, group, others

    • B. 

      Administrator, group, others

    • C. 

      User, standard user, others

    • D. 

      Administrator, standard user, others

  • 71. 
    Which of the following applications are used to play an MP3 file on a Linux system? Choose three answers  
    • A. 

      Xara Xtreme

    • B. 

      Banshee

    • C. 

      LibreOffice Player

    • D. 

      Amarok

    • E. 

      Audacious

  • 72. 
    Which permissions should be given to a file that needs to be opened and edited by the file's owner and opened read-only by the file's group?
    • A. 

      0751

    • B. 

      0466

    • C. 

      0540

    • D. 

      0640

    • E. 

      0444

  • 73. 
    Which commands provide help for a specific Linux command? (Choose two answers).
    • A. 

      Info

    • B. 

      Man

    • C. 

      Helpme

    • D. 

      Ask

    • E. 

      Whatdoes

  • 74. 
    Which of the following commands can be used to extract files from an archive?
    • A. 

      Tar -vf

    • B. 

      Tar -xvf

    • C. 

      Tar -evf

    • D. 

      Tar -e

    • E. 

      Tar -v

  • 75. 
    Which of the following directories is often used to store log files?
    • A. 

      /home

    • B. 

      /var

    • C. 

      /temp

    • D. 

      /dev

    • E. 

      /usr

  • 76. 
    • A. 

      Proc Num

    • B. 

      PIN

    • C. 

      Process Entry

    • D. 

      PID

  • 77. 
    Which statement about users and user groups is correct?
    • A. 

      A group can only have one main user

    • B. 

      There can be only one user group on a system

    • C. 

      Users do not have to belong to a user group

    • D. 

      Every user belongs at least to one user group

  • 78. 
    Which of the following hardware devices links a number of computers together to form an Ethernet LAN?
    • A. 

      Server

    • B. 

      Switch

    • C. 

      Connector

    • D. 

      Access point

    • E. 

      Terminal

  • 79. 
    How can the current directory and its subdirectories be searched for the file name MyFile.xml?
    • A. 

      Find -name MyFile.xml

    • B. 

      Grep MyFile.xml | find

    • C. 

      Grep -r MyFile.xml

    • D. 

      Less MyFile.xml

    • E. 

      Search MyFile.xml ./

  • 80. 
    Which of the following commands can be used to determine the time of the last login of a given user?
    • A. 

      Showlog

    • B. 

      Recent

    • C. 

      Last

    • D. 

      History

    • E. 

      Login