old_contents: '''
  Databrics Cloud (Spark Cluster) File System is built upon HDFS, 
  therefore, the commands to operate those files are HDFS commands
  '''
  
  # find all the support commands
  dbutils.fs.help() 
  
  # remove a folder
  dbutils.fs.rm("/FileStore/tables", True)
  
  # remove a file
  dbutils.fs.rm("/FileStore/tables", False)
  
  # list all the folders/files
  display(dbutils.fs.ls("/FileStore/"))
  
new_contents: '''
  Databrics Cloud (Spark Cluster) File System is built upon HDFS, 
  therefore, the commands to operate those files are HDFS commands
  '''
  
  # find all the support commands
  dbutils.fs.help() 
  
  # remove a folder
  dbutils.fs.rm("/FileStore/tables", True)
  # or
  %fs rm -r "/FileStore/tables"
  
  # remove a file
  dbutils.fs.rm("/FileStore/tables/f1", False)
  # or
  %fs rm  "/FileStore/tables/f1"
  
  # list all the folders/files
  display(dbutils.fs.ls("/FileStore/"))
  # or
  %fs ls "/FileStore/"
  
subject: update commands