
CompTIA Linux+ certification validates one’s expertise in one of the most significant operating systems used in IT. Gaining CompTIA Linux+ certification is the beginning of the success that will lead you to advanced and distribution-specific Linux certifications. A certification ending with the ‘+’ symbol, represents a good skill benchmark.
Updated on 22-09-2026 — What's new: CompTIA has replaced XK0-005 with XK0-006, launched on July 15, 2025. XK0-006 has a maximum of 90 questions and 90 minutes, and the passing score is 720 on a 100–900 scale. The advice below was written for XK0-005; for the current exam, see the XK0-006 practice test.
Once you have passed both the exams, you will get CompTIA Linux+ certification. So, let’s start here with the XK0-005 exam information.