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27 lines
1.1 KiB
XML
27 lines
1.1 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-configuration-syntax">
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<title>Configuration Syntax</title>
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<para>The NixOS configuration file
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<filename>/etc/nixos/configuration.nix</filename> 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 <link
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xlink:href="http://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 important
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constructs useful in NixOS configuration files.</para>
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<xi:include href="config-file.xml" />
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<xi:include href="abstractions.xml" />
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<xi:include href="modularity.xml" />
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<xi:include href="summary.xml" />
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</chapter>
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