<p>What is CalSO, exactly? I understand it's a freshman orientation sort of deal, but is it required? And what is this I hear about registering for courses there?</p>
<p>[you</a> know, there’s an entire website dedicated to your questions…](<a href=“http://services.housing.berkeley.edu/NSS/Content/Welcome.html]you”>http://services.housing.berkeley.edu/NSS/Content/Welcome.html)</p>