# 📘 CompTIA Linux+ (XK0-005) Exam Overview and Study Objectives

#### The **CompTIA Linux+ certification (XK0-005)** is designed for early-career Linux administrators. This exam validates the essential skills needed to manage, secure, and troubleshoot Linux systems in a professional environment.

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### 🧾 Exam Overview

<table id="bkmrk-field-details-exam-c"><thead><tr><th>Field</th><th>Details</th></tr></thead><tbody><tr><td>**Exam Code**</td><td>XK0-005</td></tr><tr><td>**Launch Date**</td><td>July 12, 2022</td></tr><tr><td>**Format**</td><td>Multiple-choice and performance-based</td></tr><tr><td>**Max Questions**</td><td>90</td></tr><tr><td>**Time Limit**</td><td>90 minutes</td></tr><tr><td>**Passing Score**</td><td>720 (on a scale of 100–900)</td></tr><tr><td>**Recommended Experience**</td><td>1 year of hands-on Linux admin experience; familiarity with A+, Net+, or Server+</td></tr><tr><td>**Languages Available**</td><td>English, Japanese, Portuguese, Spanish</td></tr><tr><td>**Test Provider**</td><td>Pearson VUE</td></tr></tbody></table>

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### 📚 Domains &amp; Objective Breakdown

#### 1. **System Management (32%)**

- Understand Linux fundamentals and the Filesystem Hierarchy Standard (FHS)
- Manage files, directories, and permissions
- Configure local storage and partitions
- Build and install software from source
- Use services and process management tools
- Network configuration and troubleshooting

#### 2. **Security (21%)**

- Implement security best practices and access control
- Identity and user management
- Firewall configuration (e.g., `firewalld`, `iptables`)
- Secure remote management (e.g., SSH)
- File integrity, auditing, and hardening practices

#### 3. **Scripting, Containers, and Automation (19%)**

- Create and run shell scripts for task automation
- Basic container usage and management (e.g., Docker)
- Git basics for version control
- Infrastructure-as-Code concepts
- Understand orchestration tools and container lifecycle

#### 4. **Troubleshooting (28%)**

- Diagnose and fix:
    
    
    - Storage issues (mounts, space, permissions)
    - Network problems (DNS, IP config, services)
    - CPU and memory bottlenecks
    - User access or file permission issues
- Use tools like `top`, `htop`, `journalctl`, and `systemctl` for diagnostics

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### 📥 Official Objectives PDF

You can download the official exam objectives directly from CompTIA:

🔗 [CompTIA Linux+ XK0-005 Objectives (PDF)](https://partners.comptia.org/docs/default-source/resources/comptia-linux-xk0-005-exam-objectives-%281-0%29)