Linux Operating System Concepts
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Questions and Answers

What is the primary function of the apropos command?

  • To perform a keyword search in the manual pages (correct)
  • To display the tutorial of a command
  • To identify the full path of a command
  • To display the hierarchy of a directory

    • What type of information does section 5 of manual pages contain?

  • File formats
  • Configuration files (correct)
  • Games
  • System administration commands

    • Which protocol has replaced the X Window System as the default display protocol in RHEL 8?

  • GNOME
  • Xorg
  • VT Terminal
  • Wayland (correct)

    • What is the default number of days files in /tmp are kept before they are automatically deleted if not accessed or modified?

    <p>10</p> Signup and view all the answers

    What is the default display manager in RHEL 8?

    <p>GNOME</p> Signup and view all the answers

    What command can be used to display the tutorial of a command?

    <p>info, pinfo</p> Signup and view all the answers

    Which three categories can Linux file systems be divided into?

    <p>Disk-based, network-based, and memory-based</p> Signup and view all the answers

    What command can be used to determine the full path for a specified command?

    <p>All of the above</p> Signup and view all the answers

    What command shows the absolute path of the current working directory.

    <p>pwd</p> Signup and view all the answers

    What service is responsible for creating device nodes at system startup?

    <p>udev</p> Signup and view all the answers

    How many times do you need to run the lscpu command to get information on all processor cores?

    <p>Once</p> Signup and view all the answers

    Which three formats RHEL 8 documentation is available in at docs.redhat.com?

    <p>PDF, EPUB, and HTML</p> Signup and view all the answers

    What command displays the hierarchy of a directory?

    <p>tree</p> Signup and view all the answers

    Linux commands may be categorized into two groups: privileged and non-privileged. True or False?

    <p>True</p> Signup and view all the answers

    What is the -R option used for with the ls command?

    <p>To list recursive directory</p> Signup and view all the answers

    What option is used for listing hidden files in a directory?

    <p>-a</p> Signup and view all the answers

    Which command can be used to determine the time the kernel was build?

    <p>uname</p> Signup and view all the answers

    What type of file systems are available in Linux?

    <p>Disk-based, network-based, and memory-based file systems</p> Signup and view all the answers

    Study Notes

    Manual Page Search

    • The apropos command is used to perform a keyword search in the manual pages.

    System Startup

    • The udevd service creates device nodes at system startup.

    Current Working Directory

    • The pwd command shows the absolute path of the current working directory.

    RHEL 8 Documentation

    • RHEL 8 documentation is available in three formats: PDF, EPUB, and HTML.

    Manual Pages

    Section 5

    • Section 5 of the manual pages contains information on configuration files.

    Display Protocol

    • Wayland is the new default display protocol in RHEL 8, replacing X Window System.

    lscpu Command

    • The lscpu command needs to be run only once to pull information for all processor cores.

    Command Tutorial

    • The info or pinfo command can be used to display the tutorial of a command.

    Linux File Systems

    • Linux file systems can be divided into three categories: disk-based, network-based, and memory-based file systems.

    Command Path

    • The which, whereis, and type commands can be used to determine the full path for a specified command.

    Directory Hierarchy

    • The tree command displays the hierarchy of a directory.

    Linux Commands

    • Linux commands can be categorized into two groups: privileged and non-privileged.

    Default Display Manager

    • GNOME Display Manager is the default display manager in RHEL 8.

    ls Command Options

    • The -R option is used for recursive directory listing, and the -a option is used for listing hidden files.

    /tmp Directory

    • Files in /tmp are kept for 10 days before they are automatically deleted if not accessed or modified.

    Kernel Build Time

    • The uname command shows the kernel build time.

    Filesystem Hierarchy Standard

    • RHEL follows the Filesystem Hierarchy Standard.

    Manual Page Search

    • The apropos command is used to perform a keyword search in the manual pages.

    System Startup

    • The udevd service creates device nodes at system startup.

    Current Working Directory

    • The pwd command shows the absolute path of the current working directory.

    RHEL 8 Documentation

    • RHEL 8 documentation is available in three formats: PDF, EPUB, and HTML.

    Manual Pages

    Section 5

    • Section 5 of the manual pages contains information on configuration files.

    Display Protocol

    • Wayland is the new default display protocol in RHEL 8, replacing X Window System.

    lscpu Command

    • The lscpu command needs to be run only once to pull information for all processor cores.

    Command Tutorial

    • The info or pinfo command can be used to display the tutorial of a command.

    Linux File Systems

    • Linux file systems can be divided into three categories: disk-based, network-based, and memory-based file systems.

    Command Path

    • The which, whereis, and type commands can be used to determine the full path for a specified command.

    Directory Hierarchy

    • The tree command displays the hierarchy of a directory.

    Linux Commands

    • Linux commands can be categorized into two groups: privileged and non-privileged.

    Default Display Manager

    • GNOME Display Manager is the default display manager in RHEL 8.

    ls Command Options

    • The -R option is used for recursive directory listing, and the -a option is used for listing hidden files.

    /tmp Directory

    • Files in /tmp are kept for 10 days before they are automatically deleted if not accessed or modified.

    Kernel Build Time

    • The uname command shows the kernel build time.

    Filesystem Hierarchy Standard

    • RHEL follows the Filesystem Hierarchy Standard.

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    Description

    This quiz covers various concepts related to Linux operating systems, including command usage, system startup, documentation, and more. Test your knowledge of Linux OS fundamentals!

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