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NixOS · Feb 6, 2025 · 481b89f · 481b89f
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diff --git a/nixos/doc/manual/installation/installing.chapter.md b/nixos/doc/manual/installation/installing.chapter.md
@@ -398,6 +398,9 @@ Use the following commands:
     [](#ch-options). A minimal example is shown in
     [Example: NixOS Configuration](#ex-config).
 
+    This command accepts an optional `--flake` option, to also generate a
+    `flake.nix` file, if you want to set up a flake-based configuration.
+
     The command `nixos-generate-config` can generate an initial
     configuration file for you:
 

diff --git a/nixos/modules/installer/tools/manpages/nixos-generate-config.8 b/nixos/modules/installer/tools/manpages/nixos-generate-config.8
@@ -12,6 +12,7 @@
 .Op Fl -force
 .Op Fl -root Ar root
 .Op Fl -dir Ar dir
+.Op Fl -flake Ar flake
 .
 .
 .
@@ -70,6 +71,10 @@ Overwrite
 .Pa /etc/nixos/configuration.nix
 if it already exists.
 .
+.It Fl -flake
+Also generate
+.Pa /etc/nixos/flake.nix
+.
 .It Fl -no-filesystems
 Omit everything concerning file systems and swap devices from the hardware configuration.
 .