linux下各目录的作用
学习了:https://www.cnblogs.com/yinheyi/p/6279974.html
/var 变量
/usr user software resource 学习了:https://blog.csdn.net/u011246325/article/details/45009691
学习了:https://www.cnblogs.com/yinheyi/p/6279974.html
/var 变量
/usr user software resource 学习了:https://blog.csdn.net/u011246325/article/details/45009691