In this context, it's referring to various configuration and settings files, which traditionally on Unix platforms are saved in your home directory, either dire

In this context, it's referring to various configuration and settings files, which traditionally on Unix platforms are saved in your home directory, either directly as hidden files or within hidden directories (for when there are multiple files needed). Some examples would include .bashrc for running commands automatically when bash starts, .vimrc for vim preferences, .ssh/ for storing SSH keys and settings, etc.