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- [25.1 ZFS 概述](https://book.bsdcn.org/di-25-zhang-zfs-wen-jian-xi-tong/di-25.1-jie-zfs-gai-shu.md)
- [26.1 OpenBSD 项目概述](https://book.bsdcn.org/di-26-zhang-openbsd-xi-tong-ru-men/di-26.1-jie-openbsd-xiang-mu-gai-shu.md)
- [4.4 Shell 基础](https://book.bsdcn.org/di-4-zhang-freebsd-ji-chu/di-4.4-jie-shell-ji-chu.md)
- [16.1 FTP 服务器](https://book.bsdcn.org/di-16-zhang-fu-wu-qi/di-16.1-jie-ftp-fu-wu-qi.md)
- [16.8 NFS 服务器](https://book.bsdcn.org/di-16-zhang-fu-wu-qi/di-16.8-jie-nfs-fu-wu-qi.md)

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