title: What are `Zone.Identifier` files, and how do I prevent them from being created?
body: <p>I often see files named 'blabla.exe:Zone.Identifier' when monitoring I/O with Process Monitor.<br />
  The files are seen on network-drives.</p>
  <p><img src="https://i.stack.imgur.com/92l8S.png" alt="alt text" /></p>
  <ul>
  <li>What are <code>Zone.Identifier</code> files?</li>
  <li>What does the colon mean in the filename?</li>
  <li>Is the colon related the file's extended attributes?</li>
  <li>How do I prevent these files from being created when I copy code files from Windows Explorer to a WSL directory?</li>
  </ul>