![]() An OS controls the working of these input-output devices. Device Management: There are various input and output devices.Memory Management: An operating system manages the allocation and deallocation of the memory to various processes and ensures that the other process does not consume the memory allocated to one process.Processor Management: An operating system manages the processor’s work by allocating various jobs to it and ensuring that each process receives enough time from the processor to function properly.The most famous Microsoft windows came into existence in 1985 when MS-DOS was paired with GUI, a graphics environment.In 1981, Microsoft built the first operating system called DOS by purchasing 86 – DOS software from a Seattle company.Apple Dos 3.3 was the first disk operating system. In 1977 the apple series came into existence.In the 1960s, bell labs started working on building UNIX, the first multitasking operating system.Twenty years later, the first-ever operating system was made in 1956.Unfortunately, this computer ran without an operating system. ![]() ![]() The first computer, Z1, was made in 1936 – 1938.Operating System History of Operating Systems Take up these free operating system courses and enhance your knowledge about the concept.Īn operating system (OS) is the software which helps in operating both hardware and software of the computer and it also manages all other application programs in a computer. It is necessary to have at least one operating system installed in the computer in order to run basic programs like browsers. Windows, Linux, and Android are examples of operating systems that enable the user to use programs like MS Office, Notepad, and games on the computer or mobile phone. This blog on ” what is operating system” helps users to understand different types of OS, features, functions, advantages and disadvantages of OS. The communication between a user and a system takes place with the help of operating systems. An Operating System (OS) is the most important program that is first loaded on a computer when you switch on the system.
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