···

       
68
       
68
       
 
       
    <listitem>

     

       
69
       
69
       
 
       
      <para>Build and activate the new configuration, and make it the

     

       
70
       
70
       
 
       
      boot default.  That is, the configuration is added to the GRUB

     

       
71
       
71
       
-
       
      boot menu as the default meny entry, so that subsequent reboots

     

       
71
       
71
       
+
       
      boot menu as the default menu entry, so that subsequent reboots

     

       
72
       
72
       
 
       
      will boot the system into the new configuration.  Previous

     

       
73
       
73
       
 
       
      configurations activated with <command>nixos-rebuild

     

       
74
       
74
       
 
       
      switch</command> or <command>nixos-rebuild boot</command> remain