NFS — a distributed file system protocol — allows access to files on a remote computer in a manner similar to how a local file system is accessed.
Hadoop Distributed File System (HDFS) is a file system in user space (FUSE). It doesn’t behave like other Linux file systems. HDFS cannot be mounted the way traditional file systems can be. We use HDFS command-line utilities to interact with HDFS. However, files residing in HDFS are not accessible to traditional Linux programs.
Author: Sachin Sinha