jiahao-cai.info ~ ls jiahao-cai.info ~ cd posts
jiahao-cai.info ~/posts ls -l

total 5
-rw-r--r-- Jiahao Aug 13 2018 The-why-questions
-rw-r--r-- Jiahao Aug 10 2018 Taste-of-code
-rw-r--r-- Jiahao Jul 07 2018 The-fantanstic-Mr.Feynman
-rw-r--r-- Jiahao May 31 2018 The-lost-interview

jiahao-cai.info ~/posts _