# Page Not Found

The URL `introduction/why.html` does not exist.

You might be looking for one of these pages:
- [什麼是 Docker](https://philipzheng.gitbook.io/docker_practice/introduction/what.md)
- [為什麼要用 Docker](https://philipzheng.gitbook.io/docker_practice/introduction/why.md)
- [Docker 簡介](https://philipzheng.gitbook.io/docker_practice/introduction.md)
- [Ubuntu](https://philipzheng.gitbook.io/docker_practice/install/ubuntu.md)
- [CentOS](https://philipzheng.gitbook.io/docker_practice/install/centos.md)

## How to find the correct page

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

## Tips for requesting documentation

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