---
title: "Reference"
description: "Look it up: the full deno CLI, configuration, the standard library, and runtime APIs."
---

The reference section is for looking things up: every `deno` subcommand, every
configuration field, the standard library, and the runtime APIs.

## Command line

- **[CLI reference](/runtime/reference/cli/).** Every `deno` subcommand, its
  flags, and examples.

## Configuration

- **[deno.json](/runtime/reference/deno_json/).** The full configuration file
  reference.
- **[Environment variables](/runtime/reference/env_variables/).** Environment
  variables Deno reads.
- **[Permissions](/runtime/reference/permissions/).** The `--allow`/`--deny`
  flags and the permission model.

## APIs and libraries

- **[Standard library](/runtime/reference/std/).** Deno's audited standard
  modules.
- **[Deno API reference](/api/deno/).** The built-in `Deno.*` namespace.
- **[Web platform APIs](/runtime/reference/web_platform_apis/).** The web
  globals Deno implements.

## Editor and tooling

- **[LSP integration](/runtime/reference/lsp_integration/).** Wire up the
  language server in any editor.
- **[Deno & VS Code](/runtime/reference/vscode/).** The official VS Code
  extension.