That "yum" no longer exists. dnf has a "yum" alias so that scripts still work, and a lot of the commands are named the same and accept the same arguments, but

That "yum" no longer exists. dnf has a "yum" alias so that scripts still work, and a lot of the commands are named the same and accept the same arguments, but that's basically where the similarity ends. And yes DNF is much faster.