Bash Shell Scripting- Defining a Function and Calling a Function

The video tutorial explains the concept of using functions in shell scripts to improve readability and organization. It provides a basic example of a shell script performing addition and subtraction, then demonstrates how to define and call functions. The tutorial emphasizes the importance of defining functions before calling them and explains the execution order in shell scripts. Best practices for using functions are also discussed.

What is the purpose of using functions in a shell script?

How can you increase the readability of a shell script?

What is the significance of the shebang line in a shell script?

Explain how to define a function in a shell script.

Describe the process of calling a function in a shell script.

What happens if you call a function before defining it in a shell script?

What are the two ways to define a function in a shell script?