title: How To Add Untracked Files on Git?
body: <p>I am having trouble adding untracked files or modified files on git. This is the message I am getting:</p>
  
  <p>On branch homework110515
  Changes not staged for commit:
    (use "git add ..." to update what will be committed)
    (use "git checkout -- ..." to discard changes in working directory)
    (commit or discard the untracked or modified content in submodules)</p>
  
  <pre><code>modified:   MarcoPortfolio (untracked content)
  modified:   session2.2 (modified content)
  </code></pre>