bash scripting tutorial (#8465)

courses/free-courses-en.md

@@ -240,6 +240,7 @@
 
 * [Bash Basics for Cloud Computing](https://www.udemy.com/course/bash-basics-for-cloud-computing/) - Kumulus Technologies (Udemy)
 * [Bash Scripting Full Course 3 Hours](https://www.youtube.com/watch?v=e7BufAVwDiM) - Linuxhint
+* [Bash Scripting Tutorial](https://ryanstutorials.net/bash-scripting-tutorial/) - Ryans Tutorial
 * [Bento Shell Track](https://bento.io/topic/shell) - Jon Chan (Bento)
 * [How to CMake Good](https://www.youtube.com/playlist?list=PLK6MXr8gasrGmIiSuVQXpfFuE1uPT615s) - vector-of-bool (YouTube)
 * [Shell Scripting Tutorial](https://www.youtube.com/playlist?list=PL7B7FA4E693D8E790) - The Bad Tutorials (YouTube)