Exploring HDFS commands
To perform filesystem related tasks, the commands begin with
hdfs dfs. The filesystem commands have been designed to behave similarly to the corresponding Unix/Linux filesystem commands.
What is a URI? URI stands for Uniform Resource Identifier. In the commands that are listed as follows, you will observe the use of URI for file locations. The URI syntax to access a file in HDFS is
Commonly used HDFS commands
The following are some of the most commonly used HDFS commands:
ls: This command lists files in HDFS.
The syntax of the
hdfs dfs -ls <args>. The following is the screenshot showing an example of the
cat: This command displays the contents of file/files in ...