Top 10 Operating Systems in History

Computers are a revolutionary invention that really changed the course of human civilization. It has evolved from bulky desktop boxes to more portable and convenient laptops and mobile phones.


For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware,although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.