dnf is what replaced yum, and it's alright. yum is still aliased on most fedora / rhel systems so you can put Fedora 35 on a drive and run yum update -y and it

dnf is what replaced yum, and it's alright. yum is still aliased on most fedora / rhel systems so you can put Fedora 35 on a drive and run yum update -y and it'll kick off the associated dnf process.