https://blog.gongquiz.com/2023/03/19/linux%ec%97%90%ec%84%9c-%ea%b8%b0%eb%b3%b8%ec%a0%81%ec%9c%bc%eb%a1%9c-%ec%83%9d%ec%84%b1%eb%90%98%eb%8a%94-%eb%94%94%eb%a0%89%ed%84%b0%eb%a6%ac%eb%a1%9c-%ec%98%b3%ec%a7%80-%ec%95%8a%ec%9d%80-%ea%b2%83/