100644 blob 96b766c133aa9ee4b0fd375a1415ab1d77be8c81	1-Hierarchy.html
100644 blob 6174946680b2e178a0617436b84b86de556076ff	2-Files.html
100644 blob fc2c110b8fea6a0c6cce72c611ee71577d92d949	3-Writing Data on HDFS.html
100644 blob 159097d33975ffed364c9a04636884f615752593	4-Shared Nothing Cluster.html