Browse, search, and cross-reference the Linux source code online. LXR helps you explore code structure and relationships for easier understanding.
Search and browse Linux source code online
LXR (Linux Cross Reference) is an online tool that lets you easily search and navigate the Linux source code. You can quickly look up functions, variables, and files, making it simpler to understand how different parts of the code connect.
Whether you’re a developer, student, or just curious about Linux internals, LXR helps you explore the codebase without needing to download or set up anything. It’s especially useful for learning, debugging, or contributing to Linux by providing instant cross-references and searchable links.
The site is supported by a community and offers a straightforward interface that focuses on helping you find what you need in the Linux code. It’s a handy resource if you want to understand open-source projects or need to dig into specific code details.
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