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hadoop fs -put localpath hdfspath 上传文件
hadoop fs -get hdfspath localpath 下载文件
hadoop fs -getmerge hdfspath localpath
hadoop fs -rm -r hdfspath 删除
hadoop fs -mv(-cp) hadfspath1 hafspath2 移动
hadoop fs -cat(-text) hdfspath 查看文件详情
hadoop fs -ls hdfspath 查看文件总目录