CompTIA Linux+ certification hub

What is the CompTIA Linux+ certification?

The CompTIA Linux+ certification is an entry- to intermediate-level IT credential. The non-profit Computing Technology Industry Association (CompTIA) designed it for IT professionals looking to expand their skill sets in handling, managing and troubleshooting Linux-based systems.

Our CompTIA Linux+ Boot Camp covers the foundational and in-demand skills needed so you can become Linux+ certified. This training helps you master the skills needed for those seeking roles in system administration, network management and other IT positions requiring Linux expertise.

Learn more about Infosec's CompTIA Linux+ certification training.

CompTIA Linux+ certification hub

2.5 million+

Total CompTIA certs earned


Avg. U.S. salary

CompTIA Linux+ exam objectives

To achieve CompTIA Linux+ certification, you must pass the current version of the CompTIA Linux+ exam, last updated July 2022. The exam covers the four objectives, or domains, listed below:

Learn more about the CompTIA Linux+ domains.

Why should I get the CompTIA Linux+ certification?

As a certified Linux administrator, you are the backbone of your business’s IT infrastructures. In a Linux admin role, you continuously maintain, update and secure Linux systems to ensure optimal performance and security. CompTIA's description emphasizes that Linux+ certified professionals are akin to the engineers of a smooth-running IT environment, whereas certifications like Network+ or Security+ might focus on other specialized areas.

If you're interested in the inner workings of Linux systems, managing servers or creating robust solutions, the CompTIA Linux+ certification is for you. Plus, it offers one of the most comprehensive overviews of Linux administration and system management. If you add the recommended CompTIA A+, Network+, Server+ and at least 12 months of hands-on Linux experience, you will be well-positioned to land a highly sought-after position in the ever-growing field of IT.

What is the current CompTIA Linux+ test version?

The latest version of the CompTIA Linux+ (XK0-005) certification was released in July 2022 and includes more focus on automation, cloud, scripting and virtualization needs. These new concepts include technologies that help automate and orchestrate enterprise-level business processes. It covers:

  • Managing and configuring software, storage and processes and services

  • Investigating system properties and processes and diagnosing issues related to users, applications and hardware

  • Grasping the best practices for authentication and permissions, as well as the management of firewalls and files

  • Crafting basic shell scripts, running elementary BASH scripts, utilizing Git for version control and understanding orchestration processes

Learn more about what’s on the latest version of the CompTIA Linux+ exam.

Linux+ exam FAQs

The Linux+ certification exam is a prominent IT certification focusing on the Linux operating system.  It is ideal for validating your Linux skills and moving you towards an IT management role securing an enterprise. Here’s what you should know about the current exam:

What is the Linux+ exam outline and structure?

The Linux+ (sometimes written as Linux plus) exam consists of up to 90 questions, and you have 90 minutes to complete the exam. The passing score is 720 (on a scale of 100-900).

The exam includes multiple-choice and performance-based questions, assessing skills related to system management, security, scripting, containers, automation and troubleshooting.

How hard is the Linux+ exam?

The difficulty of the Linux+ exam depends on your prior knowledge of Linux and your past experience maintaining such systems. It's designed to test knowledge of Linux systems and requires an understanding of various domains like system management, security and scripting. It is an entry- to intermediate-level professional certification.

CompTIA recommends candidates have CompTIA A+, Network+ and Server+ certifications and at least 12 months of hands-on Linux experience.

How do you take the Linux+ exam?

You can take the Linux+ exam at a Pearson VUE testing center or online through Pearson VUE’s OnVUE service. Registration for the exam is through the CompTIA website. You can find more information and scheduling details on the Pearson VUE CompTIA page. Infosec’s CompTIA Linux+ Training Boot Camp comes with an exam voucher and onsite proctoring of the exam if you take the training in person. 

How much does the Linux+ exam cost?

Retail price for the new CompTIA Linux+ (XK0-005) varies by location. The costs for in the U.S. is $358. Find the most up-to-date and complete pricing on the CompTIA website.

How to pass the Linux+ exam?

Passing the Linux+ certification exam requires a 720 out of 900 score. For your best chance at passing, CompTIA recommends having the previously mentioned certifications and experience.

Training resources and study materials are available to help prepare for the exam. Enroll in Infosec’s CompTIA Linux+ Boot Camp to ensure you have everything you need to pass the exam the first time.

How long does the Linux+ certification last?

Your Linux+ certification must be renewed every three years to remain active. Activities and training programs offering continuing education units (CEUs) assist with renewal.

How do I earn CEUs and renew my Linux+?

Renewing Linux+ certification requires earning CEUs. Over three years, you must earn 50 CEUs and upload them to your certification account.

Options for earning CEUs include:

  • Earning additional CompTIA or Non-CompTIA IT industry certifications

  • Attending webinars, conferences and courses

  • Teaching, mentoring or gaining work experience

A continuing education renewal fee is also applicable. Find more details on CompTIA's website.

Free and self-study CompTIA Linux+ exam materials and resources

Studying well in advance for the CompTIA Linux+ exam is the best way to prepare to pass the first time. Luckily, there are many helpful CompTIA Linux+ exam resources. Before you start scouring the internet for the best training resources, we recommend looking at the official CompTIA Linux+ exam outline because it fully details the topics you need to study.

CompTIA Linux+ guides and CompTIA Linux+ books

Several study guides and books are available to help you prepare for the exam. You can find them at your local library, bookstore or online stores like Amazon. A few of the most popular are:

  • The Official CompTIA Linux+ Self-Paced Study Guide

  • CompTIA Linux+ Study Guide: Exam XK0-005 (5th Edition) by Christine Bresnahan and Richard Blum

  • CompTIA Linux+ Certification All-In-One Exam Guide: Exam Xk0-005 (2nd Edition) by Ted Jordan and Sandor Strohmayer

You can also find several tutorials on YouTube to bolster your knowledge.

CompTIA Linux+ practice exams and simulations

Practice exams are a great way to gauge your readiness for the real thing, although it’s against CompTIA policy to disclose the exact exam questions. A few of the most popular CompTIA Linux+ practice question resources are:

  • CompTIA Linux+ Practice Tests: Exam XK0-005 (3rd Edition) by Steve Suehring

  • CompTIA CertMaster Practice for Linux+ (XK0-005)

  • CompTIA Linux+ XK0-005 Exam Cram Premium Edition and Practice Test by William Rothwell

You may find some of the above resources for free at your local library. 


Other free CompTIA Linux+ exam resources

You can also find assistance training for Linux+ from those in the IT and cybersecurity community:

  • Forums like TechExams and Reddit allow you to connect directly with others who have already taken the CompTIA Linux+ exam.

  • YouTube is another great place to learn about the Linux+ exam. Although most Linux+ courses cost money, numerous free videos are available with a quick search.

Podcasts may not help you directly study for your Linux+ exam, but those like Cyber Work and the Linux Unplugged are a great way to learn about Linux career options, the newest updates and your peers' career journeys.

Linux jobs and careers

Companies like Google, Facebook, Amazon and Netflix rely heavily on Linux, and the demand for Linux professionals is rising. Gaining your Linux+ certification can help set you apart from other candidates in this highly competitive field.

What does a Linux+ holder do?

The Linux+ certification is a demonstration of competence in the Linux operating system. With this certification, you can find roles in various sectors, including IT support and cloud networking. Here are popular job titles for Linux+ certified professionals:

  • Linux system administrator

  • DevOps engineer

  • IT support specialist

  • Linux support analyst

  • Network administrator

  • Security technician

Curious about your career prospects with Linux+? Check out our Linux+ average salary article for details on job positions, salary insights and more.

Is Linux+ worth it?

Is Linux+ worthwhile? The answer largely depends on your career ambitions and the sector you aim to join.

Linux+ is considered vital for professionals working with Linux systems. It's a respected certification, especially in industries that rely heavily on Linux servers and applications. Government entities and contractors also see it as a valuable certification, as it aligns with compliance requirements.

The Linux Foundation's 10th Annual Open Source Jobs Report reveals a challenging landscape for employers seeking open-source skilled talent. According to the report, 93% of employers need help locating candidates with the required open-source expertise. Nearly half (46%) of the employers surveyed aim to ramp up their open-source hiring in the ensuing six months. The priority of hiring open-source talent is reflected by 86% of hiring managers who regard this as a crucial focus over the next few years.

What is the Linux+ average salary?

Your earnings with a Linux+ certification will vary on several factors, including your experience level, job role and location. Average CompTIA Linux salaries include:

  • Linux system administrator: $106,360

  • DevOps engineer: $130,000

  • IT support specialist: $67,030

  • Network administrator: $63,043

For a comprehensive view of salary prospects, see 5 Jobs You Could Get With CompTIA Linux+.

How many people have Linux+?

CompTIA has granted an extensive number of certifications, and Linux+ is a significant part of their offering. While the exact number of Linux+ holders may be private, the certification is well-regarded and widely recognized in the IT industry.

Where can I find Linux+ jobs?

Linux+ certification can be a key requirement in various IT-related job listings. General job portals like Indeed, Monster, Glassdoor, and CareerBuilder allow you to search by keywords like "CompTIA Linux+" or corresponding job titles for available roles.

Specialized IT and tech job boards also feature Linux+-related positions. Professional networking through local tech meetups, conferences and online forums can be a great way to discover opportunities.

For personalized guidance and preparation for your job interview, explore our range of resources, including our Top Linux+ interview questions blog and our ebook of tech interview tips: How to stand out, get hired and advance your career.

Paid CompTIA Linux+ training and exam prep

When it comes to preparing for the Linux+ exam, you can choose to train yourself with books and free resources, or you can find a paid course. Most Linux+ courses fall into two categories: live online Linux+ boot camps or on-demand Linux+ courses where you go at your own pace.

Linux+ comparisons and alternatives

Linux is used widely and is an essential skill for information security professionals, but it's not the only one. Explore alternative options based on your career goals. Check out these articles to learn more: