# The Hadoop Distributed File System (HDFS) [[hadoop]] [Hadoop Distributed FIle System (HDSF)](https://databricks.com/glossary/hadoop-distributed-file-system-hdfs) > HDFS (Hadoop Distributed File System) is the primary storage system used by > Hadoop applications. This open source framework works by rapidly transferring > data between nodes. It’s often used by companies who need to handle and store > big data. ![HDFS architecture](https://databricks.com/wp-content/uploads/2022/05/hdfsarchitecture.gif) <!-- vi:set tw=64 cc=64: -->