How to Batch Programming
https://haxordoubt.blogspot.com/2012/10/how-to-batch-programming.html
Batch File programming is VERY VERY VERY useful if you work on IT, this can help you automate a lot of things, also this can help you avoid errors and make repetitive tasks easier. I highly reccomend you to start learning about batch scripting. There are a lot of places where you can learn it but the best way to do it would be to think of something you need to script and start working on it without any knowledge, just searching for commands that fits your needs.
This time i bring you some cool videos to learn do bash script easy in case you don't have the slightest idea of where to start or how it can be used: