diff --git a/README.md b/README.md
index 3193041..20d43b3 100755
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@
     * [openSUSE](#opensuse)
   * [Advanced](#advanced)
     * [Arch Linux](#arch-linux)
+    * [NixOS](#nixos)
   * [Special Purpose](#special-purpose)
     * [CoreOS](#coreos)
     * [Kali Linux](#kali-linux)
@@ -162,6 +163,14 @@ Distributions are organized into three different categories: for **beginners**,
 
 **Default Desktop Environment:** Not applicable (there's no default Desktop environment)
 
+#### [NixOS](https://nixos.org/)
+
+> NixOS is a Linux distribution with a unique approach to package and configuration management. Built on top of the Nix package manager, it is completely declarative, makes upgrading systems reliable, and [has many other advantages](https://nixos.org/nixos/about.html). All system services and programs can be managed with a single declarative configuration file. NixOS is a notable example of breaking the [Filesystem Hierarchy Standard](https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard).
+
+**Latest version:** 19.09 (opt-in unstable channel is Rolling Release)
+
+**Default Desktop Environment:** Not applicable (there's no default Desktop environment)
+
 ### Special Purpose
 
 #### [CoreOS](https://coreos.com/)