# 第 1 章 FreeBSD 初见

- [1.1 什么是 UNIX？](/di-1-zhang-freebsd-chu-jian/di-1.1-jie-shen-me-shi-unix.md)
- [1.2 GNU 操作系统和自由软件运动](/di-1-zhang-freebsd-chu-jian/di-1.2-jie-gnu-cao-zuo-xi-tong-he-zi-you-ruan-jian-yun-dong.md)
- [1.3 Linux 与类 UNIX](/di-1-zhang-freebsd-chu-jian/di-1.3-jie-linux-yu-lei-unix.md)
- [1.4 FreeBSD 导论](/di-1-zhang-freebsd-chu-jian/di-1.4-jie-freebsd-dao-lun.md)
- [1.5 乔治·贝克莱（George Berkeley）与 BSD 的命名渊源](/di-1-zhang-freebsd-chu-jian/di-1.5-jie-qiao-zhi-bei-ke-lai-george-berkeley-yu-bsd-de-ming-ming-yuan-yuan.md)
- [1.6 加州大学伯克利分校与“要有光”（Fiat Lux）](/di-1-zhang-freebsd-chu-jian/di-1.6-jie-jia-zhou-da-xue-bo-ke-li-fen-xiao-yu-yao-you-guang-fiat-lux.md)