Dnf
Packages
Check Installed Version of a Package
dnf list installed <package_name>
List Available Versions of a Package
dnf list <package_name> --showduplicates
List Manually-Installed Packages
dnf history userinstalled
Modules
List All Modules
dnf module list
Install a Non-Default Module
dnf module install <package_name>:<version>/<stream>
Example:
dnf module install nginx:1.16/common