It might be a case of preference but I particular like using the "apt-get" to in...

anujkk on Aug 18, 2012 | parent | context | favorite | on: Ask HN: What's your favorite OS and why?

It might be a case of preference but I particular like using the "apt-get" to install new packages or updates. However, in Ubuntu, if you don't want to use CLI, there are GUI options available - Ubuntu Software Center and Update Manager.