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2. Personal computer - Wikipedia

   en.wikipedia.org/wiki/Personal_computer

   Windows, macOS, and Linux all have server and personal variants. With the exception of Microsoft Windows, the designs of each of them were inspired by or directly inherited from the Unix operating system. Early personal computers used operating systems that supported command line interaction, using an alphanumeric display and keyboard. The user ...

3. Operating system - Wikipedia

   en.wikipedia.org/wiki/Operating_system

   An operating system ( OS) is system software that manages computer hardware and software resources, and provides common services for computer programs . Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and ...

4. History of personal computers - Wikipedia

   en.wikipedia.org/wiki/History_of_personal_computers

   The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.

5. History of operating systems - Wikipedia

   en.wikipedia.org/wiki/History_of_operating_systems

   Computer operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the links needed to control and synchronize computer hardware. On the first computers, with no operating system, every program needed the full hardware specification to run correctly and perform standard tasks, and its ...

6. Comparison of operating systems - Wikipedia

   en.wikipedia.org/.../Comparison_of_operating_systems

   The article "Usage share of operating systems" provides a broader, and more general, comparison of operating systems that includes servers, mainframes and supercomputers . Because of the large number and variety of available Linux distributions, they are all grouped under a single entry; see comparison of Linux distributions for a detailed ...

7. IBM Personal Computer - Wikipedia

   en.wikipedia.org/wiki/IBM_Personal_Computer

   Related. List of IBM Personal Computer models. The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business ...