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CompTIA • Linux Plus
CompTIA Linux+ (XK0-006)
Configure and manage Linux systems, storage, networks, and services in cloud and hybrid environments.
Practice setup
Exam info
- Exam ID
- XK0-006
- Cost of Exam
- $390.00
- Length of Test
- 90 Minutes
- Number of Questions
- Maximum of 90
View full exam details
- Exam Version
- V8
- Launch Date
- July 15, 2025
- Expected Retirement Date
- Currently Unknown
- Recommended Experience
- 12 months of hands-on experience with Linux servers; CompTIA A+, Network+, or Server+, or comparable knowledge is recommended
- Validity
- 3 years
- Question Types
- Multiple Choice / Performance Based
- Passing Score
- 720 (on a scale of 100–900)
Domains and Objectives
System Management1.023%
Objectives in this domain
- Linux basics: Identify boot process steps, kernel, filesystems, and architectures.
- Device management: Manage kernel modules, hardware components, and device utilities.
- Storage management: Configure LVM, RAID, partitions, and mounted storage.
- Network configuration: Set up hosts, DNS, interfaces, and network tools.
- Shell operations: Use navigation, editing, redirection, and environment variables.
- Backups and restores: Perform archiving, compression, and data recovery.
- Virtualization: Deploy hypervisors, create VMs, and manage disk images.
Services and User Management2.020%
Objectives in this domain
- Files & directories: Control permissions, create links, and manage special files.
- Account management: Add, remove, and modify users and groups.
- Process control: Monitor states, adjust priorities, and schedule jobs.
- Software management: Install, update, or remove packages and repositories.
- Systems management: Start, stop, and review services, logs, and timers.
- Containers: Operate container runtimes, manage images, and create networks.
Security3.018%
Objectives in this domain
- Auth & accounting: Configure PAM, LDAP, Kerberos, and enable auditing.
- Firewalls: Set firewalls using iptables, nftables, UFW, and zone rules.
- OS hardening: Apply permissions, configure sudo, and secure remote access.
- Account security: Enforce password policies, restrict shells, and enable MFA.
- Cryptography: Encrypt files, use hashing, and manage certificates.
- Compliance: Verify integrity, run scans, and maintain standards.
Automation, Orchestration, and Scripting4.017%
Objectives in this domain
- Automation: Automate tasks with Ansible, Puppet, and CI/CD tools.
- Shell scripting: Write and troubleshoot variables, functions, and logic flows.
- Python basics: Develop scripts using environments, packages, and data types.
- Version control: Manage code with Git workflows and tagging.
- AI best practices: Apply code generation and prompt engineering responsibly.
Troubleshooting5.022%
Objectives in this domain
- System monitoring: Monitor health, logs, and event alerts.
- Hardware/storage: Diagnose boot, mount, and repair issues.
- Networking: Resolve firewall, routing, DNS, and connectivity problems.
- Security: Fix SELinux, permission, and vulnerability issues.
- Performance: Analyze CPU, memory, I/O, and optimize response times.
Resources
Resources are being added for this exam.
Exam history
The History of CompTIA Linux+ (XK0-006 Context)
Last reviewed: 2026-03-08
CompTIA Linux+ has long served as a vendor-neutral certification for professionals who administer Linux systems in real production environments. Its core purpose has been to validate practical administration skills rather than distribution-specific product knowledge, making it useful for teams running mixed environments across data centers, cloud platforms, and hybrid infrastructure.
As Linux adoption expanded from specialized server roles into mainstream enterprise, web, cloud, and DevOps workflows, Linux+ evolved with it. The exam moved beyond basic command-line familiarity to include service management, networking, security controls, troubleshooting methodology, and operational reliability practices expected in day-to-day administration.
Earlier Linux+ versions focused more heavily on foundational command-line tasks and platform basics. Over time, CompTIA broadened the objective scope to better reflect modern administrator responsibilities: hardening systems, controlling access, automating repetitive operations, managing resources, and diagnosing issues under production constraints.
A key characteristic of Linux+ is its alignment to practical job tasks. Domain coverage has consistently emphasized hands-on competency with filesystems, permissions, processes, package management, networking tools, and recovery procedures. That job-role orientation has helped Linux+ stay relevant for support engineers, junior administrators, and operations professionals who need demonstrable Linux capability.
Recent generations reinforced this practical focus while modernizing for contemporary infrastructure. The XK0-004 generation strengthened operations and troubleshooting relevance. The XK0-005 generation continued alignment with cloud-connected Linux administration and modern security expectations. The current XK0-006 version further extends this path with clearer emphasis on automation, orchestration, scripting, and production troubleshooting.
XK0-006, launched on July 15, 2025 (CompTIA Linux+ v8), reflects today’s Linux administrator role more directly. The objective map covers system management, services and user management, security, automation/orchestration/scripting, and troubleshooting, which mirrors how Linux systems are deployed and maintained in modern environments.
Compared with older generations, XK0-006 more explicitly connects administration to reliability and operational outcomes. Candidates are expected not only to configure systems but also to secure, monitor, automate, and restore them while supporting business continuity requirements in hybrid and cloud-adjacent contexts.
Linux+ remains a practical certification path for professionals who want to prove cross-distribution Linux administration competence. Its history shows steady modernization: preserving foundational system skills while adding the security, automation, and troubleshooting depth that current infrastructure teams require.
Change tracker
XK0-006 (V8) launched
CompTIA released Linux+ XK0-006 and organized objectives across five modern domains, including a stronger emphasis on automation, orchestration, scripting, security, and troubleshooting in real operational environments.
Expanded modernization emphasis in current objectives
Current Linux+ objectives more directly connect administration work to reliability outcomes, blending foundational Linux management with practical hardening, automation, monitoring, and recovery expectations.
XK0-005 launched
The XK0-005 generation continued Linux+ evolution toward contemporary Linux operations, with broader relevance to cloud-connected administration, security practices, and production troubleshooting workflows.
XK0-004 launched
XK0-004 reinforced Linux+ as a practical administrator credential focused on real job skills across system configuration, maintenance, and troubleshooting.
Linux+ introduced as vendor-neutral Linux credential
CompTIA introduced Linux+ to validate foundational Linux administration skills in a distribution-agnostic way, helping establish an industry-recognized baseline for Linux support and operations roles.