Red Hat: dnf/yum & rpm

Task	Command
Install	`dnf install <pkg>`
Remove	`dnf remove <pkg>`
Upgrade all	`dnf upgrade`
Search	`dnf search <term>`
Info	`dnf info <pkg>`
Package groups	`dnf group list` / `dnf group install`
Install a local .rpm	`rpm -ivh file.rpm`
Query installed	`rpm -qa`
Which package owns a file	`rpm -qf /path`
List a package's files	`rpm -ql <pkg>`

Repos are defined in /etc/yum.repos.d/*.repo.

$ rpm -qf /usr/bin/ssh
openssh-clients-8.7p1-34.el9.x86_64

Exam tip: rpm flags - -i install, -v verbose, -h hash progress, -U upgrade/install, -e erase, -q query.