title: What does the command "node ." do?
body: <p>The README document of my node server instructs me to run this command on my command prompt.</p>
  
  <pre><code>node .
  </code></pre>
  
  <p>What does this command do? How does it start my node server?</p>
  
  <p>My package.json contents are</p>
  
  <pre><code>{
    "name": "uber-api",
    "version": "1.0.0",
    "description": "Move your app forward with the Uber API",
    "main": "index.js",
    "keywords": [
      "swagger"
    ],
    "license": "MIT",
    "private": true,
    "dependencies": {
      "connect": "^3.2.0",
      "js-yaml": "^3.3.0",
      "swagger-tools": "0.9.*"
    }
  }
  </code></pre>