what is nfs server

An NFS server is a machine that shares files over the network using the Network File System (NFS) protocol, so that other computers can access those files as if they were on their own local disk.

What is an NFS server?

• NFS stands for Network File System, a protocol originally developed by Sun Microsystems to let a user on one computer access files over a network much like local storage.

• An NFS server runs NFS server software and exports (shares) directories so that remote clients can mount and use them.

• It is based on a client–server model : the server hosts the data, and NFS clients connect over the network to read or write files.

How it works (in simple terms)

• The admin selects a folder on the server (for example, /data/projects) and configures it as an NFS export.

• Client machines (Linux, Unix, and even Windows with NFS client features) mount that export, so it appears like a normal folder in their own filesystem.

• Behind the scenes, NFS uses Remote Procedure Calls (RPCs) over TCP/IP to send file operations—open, read, write, close—across the network.

Mini example

Imagine a small team:

• One central Linux box is the NFS server , storing all shared documents.
• Each developer’s workstation is an NFS client ; they mount /srv/teamshare from the server and see it as /mnt/teamshare locally.
• When they save a file, it’s actually being written to the server’s disk, but it feels local to them.

What is NFS used for today?

• Centralized file storage for Unix/Linux environments, so admins don’t have to manage big disks on every client machine.

• Virtualization and containers : using NFS shares as persistent storage for VMware, Kubernetes, and similar platforms.

• Shared app data : multiple web servers or application servers reading and writing to the same shared directory (for logs, media uploads, etc.).

Key features and benefits

• Transparent access : users access remote files just like local ones, with familiar commands and paths.

• Central management : backups, permissions, and capacity planning are handled on a few NFS servers instead of many client machines.

• Distributed file system : lets you avoid juggling USB drives, DVDs, or ad‑hoc copies when sharing files.

Quick HTML table: NFS server vs NFS client

html

<table>
  <thead>
    <tr>
      <th>Role</th>
      <th>Main function</th>
      <th>Requirements</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>NFS server</td>
      <td>Exports (shares) directories over the NFS protocol for remote access.[web:3]</td>
      <td>NFS server software, network connectivity, configured exports.[web:3]</td>
    </tr>
    <tr>
      <td>NFS client</td>
      <td>Mounts NFS exports and accesses them like local folders.[web:3]</td>
      <td>NFS client software, network to the server, authorization to access exports.[web:3]</td>
    </tr>
  </tbody>
</table>

One‑sentence TL;DR

An NFS server is a networked file server that uses the NFS protocol so other machines can mount its shared directories and work with them as if they were local folders.

Information gathered from public forums or data available on the internet and portrayed here.