Locked In: Prep for Linux+
XK0-006 exam study companion
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
All five CompTIA Linux+ XK0-006 domains. 60 lessons, 435 practice questions, 131 flashcards and a 90-minute timed run of 90 questions. Offline, one purchase.
Locked-In is a focused 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 fully 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
- Coverage of the areas new to XK0-006, including virtualization with KVM and QEMU, containers with Docker and Podman, Python basics, Git, and the responsible use of AI
- Visual aids for the boot process, the filesystem hierarchy, permissions, systemd, LVM, RAID, networking, SELinux, containers, and the virtualization stack
- Inline quick checks at the end of every lesson
- 435 unique multiple-choice practice questions with explanations, weighted to match the published domain percentages
- Scenario and PBQ-style categorization, ordering, and matching activities
- A 90-question, 90-minute timed mock exam with flagging, navigation, and a final review screen
- Command-focused flashcards with spaced repetition
- A searchable glossary covering the official CompTIA Linux+ acronym list and key concepts
- Progress by domain, quiz history, study streaks, bookmarks, personal notes, weak-topic review, and an optional study plan
FREE PREVIEW AND FULL UNLOCK
A starter selection of lessons is free so you can evaluate the library first. A single one-time purchase unlocks the remaining lessons, the full question bank, and every study mode. There is no subscription and no account.
IMPORTANT SCOPE NOTE
Practice questions and PBQ-style activities are original study material, not official CompTIA exam items. The timed set is a study experience, not a reproduction of the live exam. Verify the current objectives, format, and policies directly with CompTIA.
PRIVACY
Study progress is stored on your device. The app requires no account, contains no advertising or third-party analytics, and does not sell or share personal data.
Locked-In 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 is an independent study aid and does not guarantee exam results.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Practice questions have been rewritten so the correct answer can no longer be identified from its shape. Options within a question now share the same form, length and structure, so the right answer has to be recognised rather than guessed. Question wording and explanations were reviewed alongside it.
The developer, OMAR DANIEL GRAZIANO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OMAR DANIEL GRAZIANO
- Size
- 5.1 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Linux+ Full Unlock $14.99
- Copyright
- © 2026 Stack Trace Studios