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+R""(
+
+# Examples
+
+* Start a shell with the build environment of the default package of
+  the flake in the current directory:
+
+  ```console
+  # nix develop
+  ```
+
+  Typical commands to run inside this shell are:
+
+  ```console
+  # configurePhase
+  # buildPhase
+  # installPhase
+  ```
+
+  Alternatively, you can run whatever build tools your project uses
+  directly, e.g. for a typical Unix project:
+
+  ```console
+  # ./configure --prefix=$out
+  # make
+  # make install
+  ```
+
+* Run a particular build phase directly:
+
+  ```console
+  # nix develop --configure
+  # nix develop --build
+  # nix develop --check
+  # nix develop --install
+  # nix develop --installcheck
+  ```
+
+* Start a shell with the build environment of GNU Hello:
+
+  ```console
+  # nix develop nixpkgs#hello
+  ```
+
+* Record a build environment in a profile:
+
+  ```console
+  # nix develop --profile /tmp/my-build-env nixpkgs#hello
+  ```
+
+* Use a build environment previously recorded in a profile:
+
+  ```cosnole
+  # nix develop /tmp/my-build-env
+  ```
+
+* Replace all occurences of the store path corresponding to
+  `glibc.dev` with a writable directory:
+
+  ```console
+  # nix develop --redirect nixpkgs#glibc.dev ~/my-glibc/outputs/dev
+  ```
+
+  Note that this is useful if you're running a `nix develop` shell for
+  `nixpkgs#glibc` in `~/my-glibc` and want to compile another package
+  against it.
+
+# Description
+
+`nix develop` starts a `bash` shell that provides an interactive build
+environment nearly identical to what Nix would use to build
+*installable*. Inside this shell, environment variables and shell
+functions are set up so that you can interactively and incrementally
+build your package.
+
+Nix determines the build environment by building a modified version of
+the derivation *installable* that just records the environment
+initialised by `stdenv` and exits. This build environment can be
+recorded into a profile using `--profile`.
+
+The prompt used by the `bash` shell can be customised by setting the
+`bash-prompt` and `bash-prompt-suffix` settings in `nix.conf` or in
+the flake's `nixConfig` attribute.
+
+# Flake output attributes
+
+If no flake output attribute is given, `nix run` tries the following
+flake output attributes:
+
+* `devShell.<system>`
+
+* `defaultPackage.<system>`
+
+)""