View list of Hadoop Files

>>hadoop fs -ls ..

Creating new Folder

>>hadoop fs -mkdir test

The above created file can be viewed in Hue

Adding Files to Hadoop File System

>>hadoop fs -put Test.txt test

Incase files need to be copied from more than one Directory use put command as Below

>>hadoop fs -put Test1 Test2 Test

Getting Files to Hadoop File System

>>hadoop fs -get Test.txt Test1

Deleting a File from Hadoop File System

>>hadoop fs -rm Test1/Test.txt

In the above case the file will be moved to the Trash

Deleting a File from Hadoop File System

>>hadoop fs -rm -skipTrash Test1/Test.txt

Deleting a File- Recursive Remove

>>hadoop fs -rmr -skipTrash Test1

View part of Data file

>> hadoop fs -cat /user/training/shakespeare.txt | tail -n5

Hadoop – Map Reduce

>> hadoop jar Test.jar T1 output

hadoop jar MapReduce.jar InputFile OutputFolder

Start hdfs daemons

>>  start-dfs.sh

Start MapReduce daemons:

>>  start-yarn.sh

Verify Hadoop daemons:

>>  jps