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Linux Concepts
What is Linux?
In it’s simplest form, the answer to the question “What is Linux?” is that it’s a computer operating system. As such it is the software that forms a base that allows applications that run on that
operating system to run.
In the strictest way of speaking, the term ‘Linux’ refers to the Linux kernel. That is to say the central core of the operating system, but the term is often used to describe the set of programs,
tools, and services that are bundled together with the Linux kernel to provide a fully functional operating system.
An operating system is software that manages computer hardware and software resources for computer applications. For example Microsoft Windows could be the operating system that will
allow the browser application Firefox to run on our desktop computer.
Linux¹¹ is a computer operating system that is can be distributed as free and open-source software¹². The defining component of Linux is the Linux kernel, an operating system kernel
first released on 5 October 1991 by Linus Torvalds.
Linux was originally developed as a free operating system for Intel x86-based personal computers. It has since been made available to a huge range of computer hardware platforms and is a leading operating system on servers, mainframe computers and supercomputers. Linux also runs on embedded systems, which are devices whose operating system is typically built into the
firmware and is highly tailored to the system; this includes mobile phones, tablet computers, network routers, facility automation controls, televisions and video game consoles. Android, the most widely used operating system for tablets and smart-phones, is built on top of the Linux kernel.