fix/src/nix/profile-install.md

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# Examples

* Install a package from Nixpkgs:

  ```console
  # nix profile install nixpkgs#hello
  ```

* Install a package from a specific branch of Nixpkgs:

  ```console
  # nix profile install nixpkgs/release-20.09#hello
  ```

* Install a package from a specific revision of Nixpkgs:

  ```console
  # nix profile install nixpkgs/d73407e8e6002646acfdef0e39ace088bacc83da#hello
  ```

* Install a specific output of a package:

  ```console
  # nix profile install nixpkgs#bash^man
  ```


# Description

This command adds *installables* to a Nix profile.

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