Linux find

（1）linux环境下的文件查找命令–find
https://blog.youkuaiyun.com/no_sying_nothing/article/details/51518603

（2）linux下find查找命令用法
https://www.cnblogs.com/hushaojun/p/4851485.html

（3）linux命令之----find用于指定目录下查找文件
https://blog.youkuaiyun.com/xianjie0318/article/details/65936065