title: How to map several keys in Vim
body: <p>How would I map <code>ctrl+w+o</code> to execute <code>:Bonly&lt;CR&gt;</code>?</p>
  
  <p>I have tried</p>
  
  <pre><code>unmap &lt;C-W&gt;o
  map &lt;C-W&gt;o :Bonly&lt;CR&gt;
  </code></pre>
  
  <p>Save file and source it with <code>so %</code>, but does not work.</p>