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Hello Linux Lovers!

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I will explain Linux on Five Levels (a child, a teen, a college student, a grad student, and an expert).

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# Child

An [operating system](https://en.wikipedia.org/wiki/Operating_system) enables a computer to communicate with its hardware and run its applications.

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Most of the time, an Operating System comes pre-installed on a computer.

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The most common operating systems for personal computers are Microsoft Windows, Apple macOS, and Linux.

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Linux is like Windows, but it is free!

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You can download it and use it on your computer, and there are lots of different programs that you can use with it.

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# Teen

Linux is a computer operating system that is free and open source.

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[Open source software](https://en.wikipedia.org/wiki/Open_source) is available for anyone to use or change and is usually developed in a collaborative way by a community of programmers.

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Linux is popular with computer users looking for an alternative to the more expensive and closed-source operating system, such as Microsoft Windows.

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Linux is a very stable operating system. It is not prone to crashes and errors that can occur in Windows.

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It is also very secure, so you do not have to worry about viruses and other malware.

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Linux is not only used on personal computers; it is also used on servers.

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Servers are computers that store websites and provide other services over the internet.

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Linux is popular for servers because it is so stable and secure.

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Many large organizations, such as Google, Facebook, and Amazon use Linux.

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The US Department of Defense also uses it.

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Even [Robots on Mars](https://www.pcmag.com/news/linux-is-now-on-mars-thanks-to-nasas-perseverance-rover) use Linux.

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Despite its many benefits, Linux is not without its drawbacks.

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One of the biggest problems is that it can be difficult to use for people who are not familiar with it.

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There are not as many software applications available for Linux as there are for Windows.

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Despite its drawbacks, Linux is a popular operating system that is here to stay.

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# College Student

Linux is a powerful and free operating system.

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Here are four benefits of using Linux that make it a great choice for students:

* Low-Cost: Linux is a free and open-source operating system, which means that it is available at no cost.
  Additionally, many applications that run on Linux are also free or have low-cost alternatives. This can save students a lot of money, especially when it comes to software costs.
* High-Security: Linux is a very secure operating system. It is less vulnerable to viruses and malware than other operating systems, making it a good choice for students who want to protect their data.
* Flexibility: Linux is a very versatile operating system. Linux runs on a wide variety of hardware, from personal computers to servers. There are many different distributions of Linux, each with its own unique features and applications.
  This flexibility can be a great benefit for students who want to use Linux for their studies or for personal use.
* Excellent Support: There is a large community of Linux users and developers who are willing to help others. This can be a great resource for students who are new to Linux or who need help with specific problems.

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# Graduate Student

Linux is a computer operating system created as an alternative to Microsoft's Windows operating system.

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Linux is free and open-source software. We can install it on computers, laptops, and servers.

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Unlike Windows, Linux is not [proprietary software](https://en.wikipedia.org/wiki/Proprietary_software), which means that anyone can contribute to its development.

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We can customize the operating system to meet the needs of any user, whether it is for personal use or for business.

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One of the advantages of using Linux is that it is less likely to be infected by malware than Windows.

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Another advantage of Linux is that it is available in many different languages.

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This can be helpful for users who are not familiar with English.

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We can run it on a [virtual machine](https://en.wikipedia.org/wiki/Virtual_machine), which is a computer that runs on another computer.

Linux is a popular operating system for web servers. Many of the world’s largest websites, such as Google and Facebook, use Linux servers.

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Linux is also used by many companies as the operating system for their employees' computers.

Some of these companies include Amazon, IBM, and Oracle.

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Linux is not without its challenges. One of the challenges faced by Linux is its low market share.

Microsoft Windows still dominates the personal computer market, with a market share of over 90%.

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Another challenge faced by Linux is compatibility.

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Some software is not available for Linux, and some hardware devices are not compatible with Linux.

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Despite its challenges, Linux is a popular operating system that is used by millions of people around the world.

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# Expert

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Linux is packaged in a form known as a Linux distribution for both desktop and server use.

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Some popular mainstream [Linux distributions](https://en.wikipedia.org/wiki/Linux_distribution) include Debian, Ubuntu, Mint, Fedora, CentOS, RHEL, and SUSE.

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Distributions often come bundled with a large selection of free and open-source software.

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It is a popular choice for many applications, such as web servers, databases, programming languages, and more.

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The Linux kernel was first released to the public in 1991 by Finnish computer science student [Linus Torvalds](https://en.wikipedia.org/wiki/Linus_Torvalds).

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The kernel is the core of a Linux operating system and provides basic services such as memory management, process management, device drivers, and system call handling.

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The [Linux kernel](https://en.wikipedia.org/wiki/Linux_kernel) is released under the GNU General Public License (GPL), which means that anyone can modify it and redistribute the source code.

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Linux runs in a variety of hardware, from embedded devices to mainframes.

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It is widely used in servers, as it is very stable and offers a high degree of security.

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Linux is also popular with developers, as it provides a wide variety of programming languages and tools.

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It is also used extensively in scientific computing, as many scientific software packages are available for Linux.

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Linux is a great choice for many people. It is also very secure and stable, making it a good choice for mission-critical applications.

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Whatever your level of expertise, you can take advantage of Linux in your work and daily life.

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Nominated for 2022 - HackerNoon Contributor of the Year - Refactoring

Nominated for 2022 - HackerNoon Contributor of the Year - Quality Assurance

Nominated for 2022 - HackerNoon Contributor of the Year - Github

Nominated for 2022 - HackerNoon Contributor of the Year - Machine Learning

Nominated for 2022 - HackerNoon Contributor of the Year - Clean Code

Nominated for 2022 - HackerNoon Contributor of the Year - Software Architecture

Nominated for 2022 - the Greatest Storyteller

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Linux Explained on 5 Levels of Difficulty

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