Bash Shell Scripting- Scope of the Variables (Global and Local Variables), Returning a variable value

The video tutorial covers the concepts of variable scope in shell scripts, focusing on global and local variables. It explains how to define and call functions, and the differences between global and local variables. The tutorial also demonstrates how to modify variable scope using the local keyword and how to return values from functions using ECHO and return commands.

What new insight or understanding did you gain from this video?