Locked In: Prep for Linux+

Locked In! Linux+ is a study companion for the CompTIA Linux+ XK0-006 exam. It is built for short sessions, with concise lessons, quick checks, practice and review tools that work offline. WHAT'S INCLUDED - 60 lessons across all five XK0-006 domains: System Management (23%), Services and User Management (20%), Security (18%), Automation, Orchestration and Scripting (17%), and Troubleshooting (22%) - One topic per published objective, all 29 of them, so you can study against the blueprint - The material new to XK0-006: virtualization with KVM and QEMU as its own objective, Python basics and the responsible use of AI, alongside containers with Docker and Podman and version control with Git - Visual aids for the boot process, the filesystem hierarchy, permissions, systemd, LVM, RAID, networking, SELinux, containers and the virtualization stack - A quick check at the end of every lesson - 459 multiple-choice practice questions with explanations, at least 10 for each of the 29 objectives - 16 PBQ-style categorization, ordering and matching activities - A 90-question, 90-minute timed mock exam drawn by the published domain weights, with flagging, navigation and a final review screen - 131 command-focused flashcards with spaced repetition - A free glossary of 159 entries: every acronym on CompTIA's XK0-006 acronym list plus key terms, each with a one-line definition - Progress by domain, quiz history, study streaks, bookmarks, personal notes, weak-topic review and an optional study plan FREE PREVIEW AND FULL UNLOCK Nine lessons are free: all of topic 1.1, the first lessons of topics 1.2 and 1.3, and the opening lesson of every other domain. So are 10 practice questions, 30 flashcards, 2 PBQ-style activities and the whole glossary. A single one-time purchase unlocks the remaining lessons, the full question bank, every flashcard and activity, and the timed mock exam. There is no subscription and no account. ABOUT THE EXAM XK0-006 launched on July 15, 2025, and CompTIA estimates it will retire in 2028. Practice questions and PBQ-style activities are original study material, not CompTIA exam items. The timed set is a study exercise, not a reproduction of the live exam. Check the current objectives, format and policies with CompTIA. PRIVACY Bundled study content works offline. Notes, searches, and progress stay on your device. Optional Google Analytics measures broad app activity only after you opt in; change your choice in Settings. No account or ads. App Store purchases and restores need internet. See the privacy policy for analytics data details. Locked In! Linux+ is not affiliated with, endorsed by, or sponsored by CompTIA, Inc. CompTIA and Linux+ are trademarks of CompTIA, Inc. Linux is a registered trademark of Linus Torvalds. Locked In! Linux+ is an independent study aid and does not guarantee exam results.