···1920<para>The default Linux kernel configuration should be fine for most users. You can see the configuration of your current kernel with the following command:
21<programlisting>
22-cat /proc/config.gz | gunzip
23</programlisting>
24If you want to change the kernel configuration, you can use the
25<option>packageOverrides</option> feature (see <xref
···1920<para>The default Linux kernel configuration should be fine for most users. You can see the configuration of your current kernel with the following command:
21<programlisting>
22+zcat /proc/config.gz
23</programlisting>
24If you want to change the kernel configuration, you can use the
25<option>packageOverrides</option> feature (see <xref
···7<title>Option Declarations</title>
89<para>An option declaration specifies the name, type and description
10-of a NixOS configuration option. It is illegal to define an option
11-that hasn’t been declared in any module. A option declaration
12generally looks like this:
1314<programlisting>
···42 <listitem>
43 <para>The default value used if no value is defined by any
44 module. A default is not required; in that case, if the option
45- value is ever used, an error will be thrown.</para>
46 </listitem>
47 </varlistentry>
48
···7<title>Option Declarations</title>
89<para>An option declaration specifies the name, type and description
10+of a NixOS configuration option. It is invalid to define an option
11+that hasn’t been declared in any module. An option declaration
12generally looks like this:
1314<programlisting>
···42 <listitem>
43 <para>The default value used if no value is defined by any
44 module. A default is not required; in that case, if the option
45+ value is never used, an error will be thrown.</para>
46 </listitem>
47 </varlistentry>
48