diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index eb6adab8f..a5fc96cd9 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -820,6 +820,7 @@
 
 * [Berkeley's CS 162: Operating Systems and Systems Programming](https://www.youtube.com/watch?v=feAOZuID1HM)
 * [Berkeley's CS 194: What is an Operating System?](http://www.infocobuild.com/education/audio-video-courses/computer-science/cs194-spring2013-berkeley.html)
+* [Operating System](https://www.youtube.com/playlist?list=PLBlnK6fEyqRiVhbXDGLXDk_OQAeuVcp2O) - Neso Academy
 
 
 ### Perl