1、查看指定目录下内容 hadoop dfs –ls [文件目录] eg: hadoop dfs –ls /user/wangkai.pt 2、打开某个已存在文件 hadoop dfs –cat [file_path] eg:hadoop dfs -cat /user/wangkai.pt/data.txt 3、将本地文件存储至hadoop hadoop fs –put [本地地址] [hadoop目录] hadoop fs –put /home/t/file.txt /user/t (file.txt是文件名) 4、将本地文件夹存储至hadoop hadoop fs –put [本地目录] [hadoop目录] hadoop fs –put /home/t/di...