nixpkgs/nixos/doc/manual/man-pages.xml

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           xmlns:xlink="http://www.w3.org/1999/xlink"
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 <title>NixOS Reference Pages</title>
 <info>
  <author>
   <personname><firstname>Eelco</firstname><surname>Dolstra</surname></personname>
   <contrib>Author</contrib>
  </author>
  <author>
   <personname><othername>The Nixpkgs/NixOS contributors</othername></personname>
   <contrib>Author</contrib>
  </author>
  <copyright><year>2007-2022</year><holder>Eelco Dolstra and the Nixpkgs/NixOS contributors</holder>
  </copyright>
 </info>
 <refentry>
  <refmeta>
   <refentrytitle><filename>configuration.nix</filename>
   </refentrytitle><manvolnum>5</manvolnum>
   <refmiscinfo class="source">NixOS</refmiscinfo>
 <!-- <refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo> -->
  </refmeta>
  <refnamediv>
   <refname><filename>configuration.nix</filename></refname>
   <refpurpose>NixOS system configuration specification</refpurpose>
  </refnamediv>
  <refsection>
   <title>Description</title>
   <para>
    The file <filename>/etc/nixos/configuration.nix</filename> contains the
    declarative specification of your NixOS system configuration. The command
    <command>nixos-rebuild</command> takes this file and realises the system
    configuration specified therein.
   </para>
  </refsection>
  <refsection>
   <title>Options</title>
   <para>
    You can use the following options in <filename>configuration.nix</filename>.
   </para>
   <xi:include href="./generated/options-db.xml"
             xpointer="configuration-variable-list" />
  </refsection>
 </refentry>
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