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    Free Practice Questions for CompTIA Linux+ Certification

    Guide checked for updates:
    7 Oct 2026
    Question bank created:
    8 Apr 2026
    Question bank last updated:
    11 Aug 2026

    Study with 354 exam-style practice questions designed to help you prepare for the CompTIA Linux+. All questions are aligned with the latest exam guide and include detailed explanations to help you master the material.

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    Exam Details

    Key information about CompTIA Linux+

    Official study guide

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    Question formats CertSafari offers
    • Multiple choice
    • Fill in the blank
    duration:

    90 minutes

    languages:

    English

    retirement:

    usually three years after launch (estimated 2028)

    launch date:

    July 15, 2025

    exam version:

    V8

    passing score:

    720 (on a scale of 100–900)

    exam series code:

    XK0-006

    number of questions:

    Maximum of 90 (multiple-choice and performance-based)

    recommended experience:

    12 months of hands-on experience with Linux servers; CompTIA A+, Network+, or Server+, or comparable knowledge is recommended.

    accreditation and benefits:

    ISO accredited by the ANSI National Accreditation Board

    Exam Topics & Skills Assessed

    Skills measured (from the official study guide)

    1: System Management

    1.1: Explain basic Linux concepts.

    1.2: Summarize Linux device management concepts and tools.

    1.3: Given a scenario, manage storage in a Linux system.

    1.4: Given a scenario, manage network services and configurations on a Linux server.

    1.5: Given a scenario, manage a Linux system using common shell operations.

    1.6: Given a scenario, perform backup and restore operations for a Linux server.

    1.7: Summarize virtualization on Linux systems.

    2: Services and User Management

    2.1: Given a scenario, manage files and directories on a Linux system.

    2.2: Given a scenario, perform local account management in a Linux environment.

    2.3: Given a scenario, manage processes and jobs in a Linux environment.

    2.4: Given a scenario, configure and manage software in a Linux environment.

    2.5: Given a scenario, manage Linux using systemd.

    2.6: Given a scenario, manage applications in a container on a Linux server.

    3: Security

    3.1: Summarize authorization, authentication, and accounting methods.

    3.2: Given a scenario, configure and implement firewalls on a Linux system.

    3.3: Given a scenario, apply operating system (OS) hardening techniques on a Linux system.

    3.4: Explain account hardening techniques and best practices.

    3.5: Explain cryptographic concepts and technologies in a Linux environment.

    3.6: Explain the importance of compliance and audit procedures.

    4: Automation, Orchestration, and Scripting

    4.1: Summarize the use cases and techniques of automation and orchestration in a Linux environment.

    4.2: Given a scenario, perform automated tasks using shell scripting.

    4.3: Summarize Python basics used for Linux system administration.

    4.4: Given a scenario, implement version control using Git.

    4.5: Summarize best practices and responsible uses of artificial intelligence (AI).

    5: Troubleshooting

    5.1: Summarize monitoring concepts and configurations in a Linux system.

    5.2: Given a scenario, analyze and troubleshoot hardware, storage, and Linux OS issues.

    5.3: Given a scenario, analyze and troubleshoot networking issues on a Linux system.

    5.4: Given a scenario, analyze and troubleshoot security issues on a Linux system.

    5.5: Given a scenario, analyze and troubleshoot performance issues.

    Techniques & products

    Linux basics
    kernel
    filesystems
    architectures
    kernel modules
    hardware components
    device utilities
    LVM
    RAID
    partitions
    mounted storage
    hosts
    DNS
    interfaces
    network tools
    shell operations
    navigation
    editing
    redirection
    environment variables
    archiving
    compression
    data recovery
    hypervisors
    VMs
    disk images
    permissions
    links
    special files
    account management
    users
    groups
    process control
    states
    priorities
    schedule jobs
    software management
    packages
    repositories
    systems management
    services
    logs
    timers
    containers
    container runtimes
    images
    networks
    PAM
    LDAP
    Kerberos
    auditing
    firewalls
    iptables
    nftables
    UFW
    zone rules
    OS hardening
    sudo
    remote access
    password policies
    restrict shells
    MFA
    cryptography
    encrypt files
    hashing
    certificates
    compliance
    integrity
    scans
    standards
    automation
    Ansible
    Puppet
    CI/CD tools
    shell scripting
    variables
    functions
    logic flows
    Python basics
    environments
    data types
    version control
    Git workflows
    tagging
    AI best practices
    code generation
    prompt engineering
    system monitoring
    health
    event alerts
    hardware/storage
    boot
    mount
    repair issues
    networking
    routing
    connectivity problems
    security
    SELinux
    vulnerability issues
    performance
    CPU
    memory
    I/O
    optimize response times

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