CompTIA Linux+ (XK0-006) Exam Cram Sheet (2026)

The highest-yield points on the CompTIA Linux+ (XK0-006)exam, grouped by the exam's real content areas. Print it, review the ones you keep missing, then drill them with free practice questions.

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90questions

90 mintime limit

720 / 900to pass

5content areas

System Management

23% of the exam

Study →

Filesystem Hierarchy Standard
Package Management
systemd and systemctl
Storage and Filesystems
System Monitoring and Time

Troubleshooting

22% of the exam

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Reading Logs with journalctl
Process and Performance Diagnosis
Network Troubleshooting
Storage and Filesystem Issues
A Structured Method

Services & User Management

20% of the exam

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Creating and Managing Users
Groups and Membership
Privilege Escalation with sudo
Managing Services
Scheduling and Access Control

Security

18% of the exam

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Permissions and Ownership
Mandatory Access Control
Firewalls
Securing SSH
Encryption and Integrity

Automation, Orchestration & Scripting

17% of the exam

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Bash Scripting Fundamentals
Scheduling Automation
Version Control with Git
Containers
Orchestration and Infrastructure as Code

Now prove you know them

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Study aid, not a substitute for the official material — always confirm the current rule with CompTIA. Last verified: August 2026.