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22 lines
1.2 KiB
XML
22 lines
1.2 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" xml:id="sec-configuration-syntax">
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<title>Configuration Syntax</title>
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<para>
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The NixOS configuration file
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<literal>/etc/nixos/configuration.nix</literal> is actually a
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<emphasis>Nix expression</emphasis>, which is the Nix package
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manager’s purely functional language for describing how to build
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packages and configurations. This means you have all the expressive
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power of that language at your disposal, including the ability to
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abstract over common patterns, which is very useful when managing
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complex systems. The syntax and semantics of the Nix language are
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fully described in the
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<link xlink:href="https://nixos.org/nix/manual/#chap-writing-nix-expressions">Nix
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manual</link>, but here we give a short overview of the most
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important constructs useful in NixOS configuration files.
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</para>
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<xi:include href="config-file.section.xml" />
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<xi:include href="abstractions.section.xml" />
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<xi:include href="modularity.section.xml" />
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<xi:include href="summary.section.xml" />
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</chapter>
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