Bash Shell Scripting- Input with the read command and output with the echo command

This video tutorial explains how to create a simple shell script that converts input strings to upper case. It covers the use of the ECHO command for output and the read command for taking user input. The tutorial also demonstrates how to prompt users for input and explains the default variable used in the read command. By the end, viewers will understand how to handle user input and output in shell scripts effectively.

Describe the process of displaying a variable's value in a shell script after converting it to uppercase.

Explain how to prompt the user for input in a shell script.

What is the default variable used by the read command if no variable is specified?