nixpkgs/nixos/doc/manual/configuration/profiles.xml

<chapter xmlns="http://docbook.org/ns/docbook"
         xmlns:xlink="http://www.w3.org/1999/xlink"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         version="5.0"
         xml:id="ch-profiles">
 <title>Profiles</title>
 <para>
  In some cases, it may be desirable to take advantage of commonly-used, predefined configurations provided by nixpkgs, but different from those that come as default. This is a role fulfilled by NixOS's Profiles, which come as files living in <filename>&lt;nixpkgs/nixos/modules/profiles&gt;</filename>. That is to say, expected usage is to add them to the imports list of your <filename>/etc/configuration.nix</filename> as such:
 </para>
<programlisting>
  imports = [
   &lt;nixpkgs/nixos/modules/profiles/profile-name.nix&gt;
  ];
</programlisting>
 <para>
  Even if some of these profiles seem only useful in the context of install media, many are actually intended to be used in real installs.
 </para>
 <para>
  What follows is a brief explanation on the purpose and use-case for each profile. Detailing each option configured by each one is out of scope.
 </para>
 <xi:include href="profiles/all-hardware.xml" />
 <xi:include href="profiles/base.xml" />
 <xi:include href="profiles/clone-config.xml" />
 <xi:include href="profiles/demo.xml" />
 <xi:include href="profiles/docker-container.xml" />
 <xi:include href="profiles/graphical.xml" />
 <xi:include href="profiles/hardened.xml" />
 <xi:include href="profiles/headless.xml" />
 <xi:include href="profiles/installation-device.xml" />
 <xi:include href="profiles/minimal.xml" />
 <xi:include href="profiles/qemu-guest.xml" />
</chapter>