If a company migrating to AWS requires full control over patching guest operating systems, which service should it choose?

Amazon EC2 (Elastic Compute Cloud) provides virtual servers (instances) where you have full control over the operating system, including patching, updates, and software installations. This level of control is essential for companies needing to manage guest OS patching directly. Amazon DynamoDB is a NoSQL database service, not a compute service, so it doesn't involve guest OS management. AWS Lambda is a serverless compute service where AWS manages the underlying infrastructure, including the OS. Amazon RDS (Relational Database Service) is a managed database service where AWS handles OS patching and database software updates, abstracting away that control from the user.