ubuntu.mdwn

   1     apt-get update
   2     apt-get upgrade
   3     apt-get dist-upgrade
   4
   5 "-y  Assume Yes to all queries and do not prompt" is not recommended for `apt-get dist-upgrade`
   6
   7 <https://help.ubuntu.com/community/AptGet/Howto>
   8
   9 <https://help.ubuntu.com/community/SwitchingToUbuntu/FromLinux/RedHatEnterpriseLinuxAndFedora>