nixos version
nixos-rebuild
home-manager manual
nixos home-manager
nixos-unstablenixos options
what is nixos based on
nixos update packages

Home Manager provides a NixOS module that allows you to prepare user environments directly from the system configuration file, which often is more convenient Help is available in the configuration.nix(5) man page # and in the NixOS manual (accessible by running 'nixos-help'). { config, pkgs, .nix5 man page # and in the NixOS manual accessible by running 'nixoshelp'. My bashrc decides whether to startx and my xinitrc starts my windowmanager. For more information and instructions for upgrades, see the relase notes sx, a simple alternative to both xinit and startx for starting a Xorg server.