https://blog.clarence.tw/2018/02/26/%e5%9c%a8-mac-%e4%b8%8b%e9%9d%a2%e4%bd%bf%e7%94%a8-terminal-%e6%88%96-iterm-%e6%94%af%e6%8f%b4-linux-%e5%bf%ab%e9%80%9f%e9%8d%b5/