Working with Bash script, we are in a need to check the existence of a directory. You can use the test command or its equivalent shorthand [ to check if a directory exists or not in a Bash shell script.

Git is a version control system is an open source that allows developers to track and manage changes to their code. It is a distributed version control system, which means that each developer has a local copy of the code, and changes are propagated to other developers through commits and pushes.

In Bash, we can use echo or printf command to display a text in the console or terminal. Each commands have their own behaviors.