title: Difference between rpm -ivh and rpm -Uvh
body: <p>Hi i am newbie in linux can anyone explains me the difference between </p>
  
  <blockquote>
    <p>rpm -ivh</p>
  </blockquote>
  
  <p>and</p>
  
  <blockquote>
    <p>rpm -Uvh</p>
  </blockquote>