diff --git a/free-courses-en.md b/free-courses-en.md
index 83bfe0d7..83f22e93 100644
--- a/free-courses-en.md
+++ b/free-courses-en.md
@@ -322,6 +322,7 @@
 ### Linux
 
 * [Introduction To Linux](https://www.edx.org/course/introduction-to-linux/) - The Linux Foundation (edx)
+* [Linux Operating System Fundamentals](https://www.udemy.com/course/linux-academy-linux-operating-system-fundamentals/) - Linux Academy (Udemy)
 
 
 ### Lua