The document discusses the Red Hat Package Manager (RPM), which is a tool for managing software packages on Linux systems. It describes what RPM is, how it works, and provides examples of common RPM commands for tasks like installing, upgrading, querying, verifying, and uninstalling packages. Key points are that RPM packages software with metadata to make installation, upgrades, dependencies and other management tasks easier compared to manual methods. Common RPM commands discussed include rpm, rpm -i, rpm -q, rpm -V, rpm -e for basic package management operations.