Common rpm/dnf invocations

What's the inverse dependencies of a package?
- dnf repoquery --installed --whatrequires <package>
What's the dependencies of a package?
What package provides a file?
What preinst/postinst scriptlets come from an rpm?
Extract the contents of an rpm for inspection
What files does an rpm install?
Download, without installing, an rpm
Audit recent transactions
List installed packages
- rpm -qa
- dnf list --installed
How to remove an rpm without removing the packages that depend on it?
How to reinstall an rpm?
Where are rpms downloaded to?
How does the rpm/dnf database(s) work, and how does that relate to "repos" and "channels"?
How are dnf, yum, smart, and rpm related?

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