title: Copying files based on modification date in Linux
body: <p>I want to copy the last three months' files from one directory to another directory, but I could find only listing the files by using the following command.</p>
  <pre><code>find . -mtime -90 -ls
  </code></pre>
  <p>How can I copy the files by using <code>-mtime</code>?</p>