title: what does $1 in .htaccess file mean?
body: <p>I am trying to understand the meaning of this line in the .htaccess file</p>
  
  <pre><code> RewriteRule ([a-z0-9/-]+).html $1.php [NC,L,QSA]
  </code></pre>
  
  <p>basically what does $1.php ? what file in the server</p>
  
  <p>if we have home.html where this gonna redirect to? home.php?</p>