An operating system (OS) is a fundamental piece of software that manages computer hardware and software resources and provides common services for computer programs.
Types of Operating Systems
- Batch Operating Systems: Execute batches of jobs without user interaction.
- Time-Sharing Operating Systems: Allow multiple users to share system resources interactively.
- Distributed Operating Systems: Manage a group of distinct computers and make them appear to be a single computer.
- Network Operating Systems: Provide services to computers connected over a network.
- Real-Time Operating Systems (RTOS): Offer immediate processing for time-critical tasks.
Popular Operating Systems
- Windows: Developed by Microsoft, widely used in personal and business computing.
- macOS: Developed by Apple, known for its seamless integration with Apple hardware.
- Linux: An open-source OS widely used in servers, desktops, and embedded systems.
- Unix: A powerful, multiuser OS, primarily used in servers and workstations.
- Android and iOS: Operating systems for mobile devices.