vi core-site.xml 文件的內容:
<property>
<name>fs.trash.interval</name>
<value>1440</value>
<description>Number of minutes between trash checkpoints.
If zero, the trash feature is disabled.
</description>
</property>
$ hadoop dfs -rmr /python 刪除python目錄
恢復剛剛刪除的目錄/python :
hadoop dfs -mv /user/hadoop/.Trash/Current/python /python