Operating System
An operating system (OS) is a software that manages a computer’s hardware resources and provides services for running applications. The operating system is the most important software that runs on a computer because it provides the foundation upon which all other software is built.
Some of the functions of an operating system include:
Managing computer resources: The operating system manages computer resources such as the CPU, memory, and storage devices.
Providing a user interface: The operating system provides a graphical user interface (GUI) or command-line interface (CLI) that allows users to interact with the computer.
Running applications: The operating system provides services and APIs that allow applications to run on the computer.
Managing files and folders: The operating system provides a file system that allows users to store and organize their files and folders.
Providing security: The operating system provides security features such as user accounts, passwords, and permissions that help protect the computer from malware and unauthorized access.
Examples of operating systems include:
Windows: This is a popular operating system developed by Microsoft. Windows runs on desktops, laptops, and servers.
macOS: This is an operating system developed by Apple Inc. that runs on Apple computers.
Linux: This is an open-source operating system that is popular for servers and is used in embedded systems and other devices.
Android: This is an operating system developed by Google for mobile devices. Common issues that IT support professionals may encounter with operating systems include software bugs, system crashes, and performance issues. Troubleshooting these issues may involve updating the operating system, running diagnostics tests, or reinstalling the operating system.
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