Operating System Fundamentals (Types and Functions)
Operating system basics including types (batch, real-time, distributed), functions, and popular examples.
Operating system basics including types (batch, real-time, distributed), functions, and popular examples. This guide is written for Indian students, government exam aspirants, and typing learners who want clear, practical, and exam-relevant information they can apply immediately.
Table of Contents
- What is an operating system
- Key functions
- Types of OS
- Open-source vs proprietary
- Practical Tips
- Frequently Asked Questions
- Conclusion
What is an operating system
An OS is system software that manages hardware and provides services to applications. It is the bridge between the user and the machine.
Key functions
Process management, memory management, file management, device management, security, user interface.
Types of OS
Batch OS, Multi-programming OS, Time-sharing OS, Real-time OS, Distributed OS, Network OS, Mobile OS.
Examples
Windows (desktop), Linux (servers/desktop), macOS (Apple), Android (mobile), iOS (mobile), RTOS (embedded systems).
Open-source vs proprietary
Linux is open-source — anyone can modify and redistribute. Windows and macOS are proprietary — controlled by the company.
Practical Tips
- Remember real-time OS examples (used in air traffic control, medical devices).
- Know basic Linux commands — sometimes asked.
Frequently Asked Questions
Q: What is multitasking?
Running multiple programs simultaneously by quickly switching between them.
Q: Is Android based on Linux?
Yes. Android uses a modified Linux kernel.
Conclusion
Consistent application of the techniques above will produce visible results within weeks. Bookmark this guide, share it with a friend preparing alongside you, and return to it whenever you need a refresher. For more guides, browse the TypingMaster India blog or try a free typing test to measure where you stand today.