21 September 2015

Hadoop File system 'help' command

Some times as a Hadoop developer it is difficult to remember all the Hadoop commands. So you by giving the below command you can see all the commands.

hadoop fs   ==> Enter

This will list all the Hadoop commands.

How Hadoop HDFS commands are developed:

Basically, Hadoop commands are flavour of UNIX.

If you want to see each Command description, you can go for Hadoop help command. You can use the below command for help.

hadoop fs -help ls

Deleting a File in Hadoop HDFS:

The below command helps   how to delete a file from Hadop cluster.

hadoop  fs -rm example.txt

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