Here is a list of Hadoop Configuration Files with their description

File Description
hadoop-env.sh It contains environment variables used in scripts to run Hadoop.
core-site.sh It contains configuration settings for Hadoop, such as Core I/O common to HDFS and MapReduce.
hdfs-site.sh It contains configuration settings for HDFS daemons, name nodes, secondary namenodes, and the data nodes.
mapred-site.sh It contains configuration settings for MapReduce daemons, such as the job trackers and the task trackers.
Masters It is a list of machines that run a secondary name node.
Slaves It is a list of machines that run data nodes and task-trackers.
BY Best Interview Question ON 02 Jun 2020