> For the complete documentation index, see [llms.txt](https://book.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.bsdcn.org/unix-tong-hen-zhe-shou-ce/di-san-bu-fen-xi-tong-guan-li-yuan-deemeng.md).

# 第三部分：系统管理员的噩梦

- [系统管理：Unix 的隐形成本](https://book.bsdcn.org/unix-tong-hen-zhe-shou-ce/di-san-bu-fen-xi-tong-guan-li-yuan-deemeng/xi-tong-guan-li-unix-de-yin-xing-cheng-ben.md)
- [安全：哦，抱歉，先生，请继续，我没意识到您是 root 用户](https://book.bsdcn.org/unix-tong-hen-zhe-shou-ce/di-san-bu-fen-xi-tong-guan-li-yuan-deemeng/an-quan-o-bao-qian-xian-sheng-qing-ji-xu-wo-mei-yi-shi-dao-nin-shi-root-yong-hu.md)
- [文件系统：它确实会损坏你的文件，但你看看它有多快！](https://book.bsdcn.org/unix-tong-hen-zhe-shou-ce/di-san-bu-fen-xi-tong-guan-li-yuan-deemeng/wen-jian-xi-tong-ta-que-shi-hui-sun-huai-ni-de-wen-jian-dan-ni-kan-kan-ta-you-duo-kuai.md)
- [NFS：噩梦文件系统（Nightmare File System）](https://book.bsdcn.org/unix-tong-hen-zhe-shou-ce/di-san-bu-fen-xi-tong-guan-li-yuan-deemeng/nfsemeng-wen-jian-xi-tong-nightmare-file-system.md)


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