HDFS的命令
。。。。。Hdfs dfs -cat path hadoop fs - 等同 1 -ls 查看当前目录的文件和文件夹
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410200627799-690509279.png)
2 -lsr 递归查看
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410200915398-1680551735.png)
3 -du 查看文件的大小
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201117782-192897149.png)
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201154838-923552444.png)
4-dus 查看文件夹中所有的文件大小
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201438804-443505633.png)
5-Count 统计数量 文件夹 文件 文件大小总和
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201539044-458117617.png)
6-Mv:移动 改名 移动文件夹
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201811303-130961182.png)
7 -cp 复制
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410201929169-1488557770.png)
8 -rm 删除文件
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202012078-108546454.png)
9 -rm -r 递归删除文件和文件夹
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202123105-1247244146.png)
10 -put 本地目录的文件上传到hdfs 多个上传
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202233680-1435652158.png)
11 copyFromLocal ---->put
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202929267-317664765.png)
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202344715-1040413639.png)
copyToLocal:从 hdfs复制
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410204305107-1016633919.png)
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410202708658-211747629.png)
12 getmerge:合并到本地 (hdfs)
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410204006214-2031375394.png)
13 moveFromLocal 从本地移除 /hdfs
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410204130476-101575742.png)
14 cat 15-setrep
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410204534091-543152752.png)
16 touch
![](https://img2018.cnblogs.com/blog/1536927/201904/1536927-20190410204710750-1421269561.png)
作为一个真正的程序员,首先应该尊重编程,热爱你所写下的程序,他是你的伙伴,而不是工具。