将这个 Prompt 保存为你的常用模板，按两段式来跑：
/opt → /var/opt
，更多细节参见服务器推荐
But more than that, they taught me how much more fun it was to learn by playing with an interactive, dynamic program instead of passively reading about concepts in a book. […]
Москвичей предупредили о резком похолодании09:45
Also: I found the best Linux server distros for your home lab