> For the complete documentation index, see [llms.txt](https://ldbmcs.gitbook.io/java/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ldbmcs.gitbook.io/java/ji-suan-ji-ji-chu-3.md).

# 计算机基础

- [操作系统](https://ldbmcs.gitbook.io/java/ji-suan-ji-ji-chu-3/cao-zuo-xi-tong.md)
- [为什么 HTTPS 需要 7 次握手以及 9 倍时延](https://ldbmcs.gitbook.io/java/ji-suan-ji-ji-chu-3/cao-zuo-xi-tong/wei-shi-mo-https-xu-yao-7-ci-wo-shou-yi-ji-9-bei-shi-yan.md)