Basically you have a config file for your whole OS and installed software, which makes backing up config files easier and also you can use it on other nixos computers, and I've heard the package manager is very good too. (I haven't used nixos so I don't' really know how good the experience is)
I have a few that I've started using this year.
What's the deal with nixos? I keep seeing people who love it, but from a quick Google I didn't really get what was so exciting about it.
Basically you have a config file for your whole OS and installed software, which makes backing up config files easier and also you can use it on other nixos computers, and I've heard the package manager is very good too. (I haven't used nixos so I don't' really know how good the experience is)