Operating system is a system software which controls the hardware and application software resources of the computer and offers common services for computer programs. The operating system is used as a midway between programs and the computer hardware for hardware functions such as memory allocation. The operating system is present in computer, mobile phones and video game consoles to supercomputers and web servers.
There are different operating systems which can be used for different purposes. Several operating systems are used for normal things on personal computers and others are used for particular work.
An operating system has several tasks in which entire programs can use the CPU, system memory, displays, input devices, and other hardware. Operating system also communicates to other computers or devices on a network. There are several operating systems such as MacOS, Linux, and Microsoft Windows.
At present, Microsoft Windows is the leading and popular operating system. The share in market of Microsoft Windows is about 82.74 percent. The other operating system such as MacOS from Apple Inc.is the second one in market at about 13.23 percent and Linux is at 1.57 percent. Android is also a popular operating system in smartphones which has the market share of about 87.5 percent with growth year of around 10.3 percent in each year.
There are several operating systems which are discussed below