In this page we list some resources that can be of interest for beginners, from using command line interfaces like Bash, to some neural networks basics.
Scripts like Bash or Python scripts are used to automate actions, like creating directories in the hard drive, cropping images or running an application iteratively to all files inside a directory, among many other uses.
And introduction to bash can be found here
ESRGAN and BasicSR are neural networks written in Python. Their architecture is a type of Convolutional Neural Networks (CNN), called Generative Adversarial Neural Network (GAN). For a simple explanation of what are GANs, there's an introduction here.