Yum

General Info

the package manager for Oracle Linux
works with .rpm files
a RPM can contain a package or a list of repositories

Common operations

Enable/Disable a repository

yum-config-manager --enable <repo-name>
yum-config-manager --disable <repo-name>

List all available versions of a package

yum --showduplicates list <package>

More info: (link)

Install specific version of a package

yum install <package name>-<version info>

More info: (link)