Linux Command Library is a reference application that helps users discover and learn Linux commands through formatted manual pages, practical examples, basic topic guides, and terminal tips. The software is intended as an offline-friendly command reference for both newcomers and more experienced terminal users.
It is available as a GUI application, a command-line tool, and the project maintains native binaries for Linux, macOS, and Windows alongside mobile builds.
This is free and open source software.
Key Features
- Includes thousands of formatted manual pages in a searchable library.
- Organises material into more than 28 categories covering topics such as networking, text processing, package management, SSH, Git, shell scripting, and editors.
- Provides terminal tips covering areas such as tab completion, aliases, redirection, permissions, background jobs, and cron scheduling.
- Offers GUI, CLI, and web interfaces for accessing the same reference material.
- Works fully offline without requiring an internet connection.
Website: github.com/SimonSchubert/LinuxCommandLibrary
Support:
Developer: Simon Schubert
License: Apache License 2.0


Linux Command Library is written in Kotlin. Learn Kotlin with our recommended free books and free tutorials.
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| keyb | Terminal-based custom hotkey cheatsheet |
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| ehh | CLI tool to help remember commands |
| Wat | Instant, central, community-built docs |
Read our verdict in the software roundup.
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| tldr-python-client | Python command-line client for tldr |
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| bropages | Readable supplement to man pages |
| navi | Interactive cheatsheet tool |
| eg | Provides examples of common uses of command line tools. |
| halp | Find the correct arguments for command-line tools |
| cheatshh | CLI tool to store commands |
| ehh | CLI tool to help remember commands |
| Wat | Instant, central, community-built docs |
| qman | Modern man page viewer |
| Outfieldr | TLDR client written in Zig |
| Mansnip | Navigate through man pages |
| Linux Command Library | Command reference and cheat sheets |
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