Linux operating system
Linux is an operating system that first appeared in 1991, and it tried to compete with Windows but was not able to surpass it in terms of popularity; As the linux system is still so far its use is limited to a small segment of computer users, most of them are developers and people with great experience in the field of technology, and this is due to the fact that the system is open source and adjustable while providing very great protection and safety for users.
Linux 5 basic components
Nucleus
Some view the linux operating system as only a basic kernel, and this is due to the importance of the kernel on which the system depends on among all its components, and it is divided into a large number of small units, and therefore if one or more units break down, this will not completely affect the The computer, while there are systems that collapse immediately after the failure of their units in the kernel, which are very few, but here it is difficult to break down the system and it is also difficult to penetrate it, and it is worth noting that the system kernel performs several different tasks, namely: managing all units in the hardware The internal computer, transferring data from the hard disk to the applications installed on the computer, receiving commands that the user reports to the computer, and then carrying out their implementation.
Operating system or cover
The second component of the linux operating system is the operating system, which gives programs the ability to access the kernel; As it is a link between the programs and the kernel, and the user can access it through command lines, and after access he will write the applications he wants to communicate with the kernel, as linux is known as an open source system and adjustable by users and developers, as the company provides several different tools to write Their special programs that they want access to the kernel, and these tools, are: the editor, the development environment, the compiler, and also the same tools that give the ability to modify the system, so that the user comes to the shape, interface and features that he wants to see on the system.
Desktop environment
The programs need a specific environment in order to be able to appear and work, and the user can access and deal with it, and this environment is the third component of the operating system components, as this component provides a graphical interface that is somewhat similar to the Windows system, and it also enables the user to install external programs It is worth noting that the company producing the system gives the user the ability to modify that component or at least choose from several different forms, in contrast to most systems in which the sources are closed and not subject to to edit.
Applications
Linux OS provides a wide range of basic applications that run automatically after system installation, like all other operating systems ?; Like Windows, Mac, and Chrome, but what is distinctive about this system is that it gives the user the ability to select and choose these applications, where after installation the user chooses the basic application package that he wants on the computer, with the ability to download and install other programs without any limits or problems.
Distributions
It is the last component of the linux operating system, which collects all the components mentioned above inside it, but so that the user can access all the components mentioned above; He must choose the distribution that suits him, and the number of these distributions available for download reaches more than 350, and the most famous of these distributions are: Dream Linux, Arch Linux Elementary OS, Damn Small Linux, CentOS

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