Hadoop Filesystem Commands

9:09:00 PM 3:27:42 PM

Command	Description
hadoop fs -mkdir mydir	Create a directory (mydir) in HDFS
hadoop fs -ls	List files and directories in HDFS
hadoop fs -cat myfile	View a file content
hadoop fs -du	Check disk space usage in HDFS
hadoop fs -expunge	Empty trash on HDFS
hadoop fs -chgrp hadoop file1	Change group membership of a file
hadoop fs -chown huser file1	Change file ownership
hadoop fs -rm file1	Delete a file in HDFS
hadoop fs -touchz file2	Create an empty file
hadoop fs -stat file1	Check the status of a file
hadoop fs -test -e file1	Check if file exists on HDFS
hadoop fs -test -z file1	Check if file is empty on HDFS
hadoop fs -test -d file1	Check if file1 is a directory on HDFS