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We will see the count command option here use for finding out the number of files and directories their size that directory uses hdfs dfs -count /user/training the result will looks like this the first field is number of directories number of directories inside second field number of files size hdfs dfs -ls /user/training I can see number of files and directories so if I use -h flag , result will be displayed as more human readable format print the value in more human readable format especially the size if you have quota enabled it will list that information as well what is the quota quota remaining , space quota available space quota remaining number of directories and files and size to print in a human readable format use -h flag that is it about the count command you can count the number of directories ,files ,size and quota information available and remaining quota space quota available and remaining next we will see the command expunge expunge is used to clean Trash hdfs dfs -expu