> Can you give an example of what you use NixOS for that can't be easily replaced by like... `brew install ...`? Sure. At work I needed access to the office VP

> Can you give an example of what you use NixOS for that can't be easily replaced by like... `brew install ...`? Sure. At work I needed access to the office VPN. I copied a snippet into a single configuration file and everything just worked. It installed the necessary executables, and set up the needed services including the config files for these services.