Hadoop 实践（三） hadoop dfs 命令
hadoop dfs 命令：[*] Overview
[*] cat
[*] chgrp
[*] chmod
[*] chown
[*] copyFromLocal
[*] copyToLocal
[*] count
[*] cp
[*] du
[*] dus
[*] expunge
[*] get
[*] getmerge
[*] ls
[*] lsr
[*] mkdir
[*] moveFromLocal
[*] moveToLocal
[*] mv
[*] put
[*] rm
[*] rmr
[*] setrep
[*] stat
[*] tail
[*] test
[*] text
[*] touchz
创建文件：hadoop dfs -touchz /user/root/test/input/file0
展示文件：hadoop dfs -ls /user/root/test
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