An operating system (OS) is a software system that manages computer hardware and software resources and provides common services for computer programs. Examples of operating systems include Windows, macOS, and Linux. See our portfolio Serverless computing is a model of computing where developers can write and deploy code without worrying about the underlying infrastructure. Serverless computing can provide scalability, cost savings, and faster time-to-market. Popular serverless computing platforms include AWS Lambda, Microsoft Azure Functions, and Google Cloud Functions.