> For the complete documentation index, see [llms.txt](https://handbook.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://handbook.bsdcn.org/di-1-zhang-jian-jie.md).

# 第 1 章 简介

- [1.1.概述](https://handbook.bsdcn.org/di-1-zhang-jian-jie/1.1.-gai-shu.md)
- [1.2.欢迎来到 FreeBSD！](https://handbook.bsdcn.org/di-1-zhang-jian-jie/1.2.-huan-ying-lai-dao-freebsd.md)
- [1.3.关于 FreeBSD 项目](https://handbook.bsdcn.org/di-1-zhang-jian-jie/1.3.-guan-yu-freebsd-xiang-mu.md)