15013b3054
This is preferable because it prevents things like disk corruption (requiring the user to delete the disk image when starting up) that I consistently ran into.
Nixpkgs/doc
This directory houses the sources files for the Nixpkgs manual.
You can find the rendered documentation for Nixpkgs unstable on nixos.org.
Docs for Nixpkgs stable are also available.
If you want to contribute to the documentation, here's how to do it.
If you're only getting started with Nix, go to nixos.org/learn.