yum (Yellowdog Updater Modified) and dnf (Dandified Yum) for RHEL, Fedora, CentOS. dnf vs yum 1# dnf is the modern replacement for yum 2# Commands are mostly compatible 3 4# Fedora 22+: dnf 5# RHEL 8+: dnf 6# CentOS 8+: dnf 7# Older systems: yum 8 9# This guide uses dnf, but most commands work with yum Basic Commands …