# Page Not Found

The URL `reference/OS/advanced` does not exist.

You might be looking for one of these pages:
- [Advanced boot settings](https://docs.balena.io/reference/os/advanced.md)
- [Host OS Updates](https://docs.balena.io/reference/os/updates.md)
- [What is balenaOS?](https://docs.balena.io/reference/os/overview.md)
- [Time management](https://docs.balena.io/reference/os/time.md)
- [Host OS](https://docs.balena.io/reference/os.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.balena.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.balena.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/reference/os/advanced.md`)
- Use `Accept: text/markdown` header for content negotiation