https://blog.wongcw.com/2020/08/12/%e8%87%aa%e8%a1%8c%e9%96%8b%e7%99%bc%e4%b8%80%e5%80%8bwindows%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%b5%b1%e5%88%b0%e5%ba%95%e6%9c%89%e5%a4%9a%e9%9b%a3%ef%bc%9f/
自行開發一個Windows操作系統到底有多難?