Hadoop mostly used shell commands

  • List files or dir inside HDFS:
    • hadoop fs -ls hdfs://<path_to_file/folder>
  • View contains of a file:
    • hadoop fs -cat hdfs://<path_to_file/folder>
  • Deleting a file:
    • hadoop fs -rm hdfs://<path_to_file>
  • Deleting a folder:
    • hadoop fs -rm -r hdfs://<path_to_folder>
  • Check size of a file/folder (in GB):
    • hadoop fs -du -s -h hdfs://<path_to_file/folder>
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