How does an operating system work?

How does an operating system start?

The operating system is loaded through a bootstrapping process, more succinctly known as booting. A boot loader is a program whose task is to load a bigger program, such as the operating system. When you turn on a computer, its memory is usually uninitialized. Hence, there is nothing to run.

What is the first step in boot process?

The first step of any boot process is applying power to the machine. When the user turns a computer on, a series of events begins that ends when the operating system gets control from the boot process and the user is free to work.

Is operating system a software?

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.

Who found the first operating system?

The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704. Most other early operating systems for IBM mainframes were also produced by customers.

Which OS is most used?

In the area of desktop and laptop computers, Microsoft Windows is the most commonly installed OS, at approximately between 74% (based on web use) and 97.03% (based on use for gaming) globally.

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