Why linux is crucial for embedded software development

Tobias Aguiar
4 min readFeb 7, 2023

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tux, available here

Preface

Whether you’re a fan of Linux or not, its creation was a game-changer in the world of embedded software development. This open-source operating system, which has been around since the early 90s, is crucial to the field. In this article, we’ll delve into why Linux is so important and widely used in embedded applications and why mastering it is a valuable skill. Trust me, it’s worth more than a “like” on your LinkedIn profile.

Flexibility at its finest

As you might know, the first advantage the Operating System (OS) Linux has for embedded systems is its multiplatform utility. Despite the fact that the x86 architecture is the most widely used version of Linux, embedded systems make use of different processor families that have the capability to run Linux. These families include:

  1. ARM processors: The most common type of processor used in embedded systems, Linux has been ported to a variety of ARM-based architectures.
  2. PowerPC processors: Linux has been ported to PowerPC-based architectures, making it a good choice for use in high-performance embedded systems.
  3. x86 processors: Linux can run on standard x86-based systems, making it a good choice for use on embedded systems that need to interact with other desktop systems.
  4. MIPS processors: Linux has been ported to MIPS-based architectures, making it a good choice for use in embedded systems that require high levels of performance and low power consumption.

The power of community

Photo by John Cameron on Unsplash

One of the key reasons for Linux’s versatility is its open-source nature. This means it’s free to be modified and provides a unique opportunity to learn OS concepts in real-life practice. And, if you’re interested in low-level development, you can dive into OS concepts applied to various processor architectures. We all know the importance of computer architecture concepts for an embedded software engineer.

Concepts such as scheduling, file systems, drivers, networking, memory management, and more, are all crucial and can be found in even the most complex embedded applications, such as medical devices, automotive systems, and industrial applications. To build these complex and secure large systems, the use of an OS is essential, and that’s where Linux comes in.

Many companies are interested in the linux development. To give you an idea, here’s a little list of firms involved in linux kernel development :

  1. Google
  2. Intel
  3. Samsung
  4. AMD

The list goes on.

Scaling up

Another interesting fact about Linux is its scalability. As a standard and free OS that’s widely used, it can easily be scaled to meet the changing requirements of embedded systems, making it a versatile choice for projects that may grow over time. Applications with large scale, such as industrial and enterprise ones, also utilize Linux as a great fit to handle a large number of users and concurrent tasks.

The modular nature of Linux is a real lifesaver for developers, as it allows for easy adding and removing of components as needed. This makes customization and adaptation to new requirements a breeze. So, you can think of Linux as a building block kit for your embedded systems, where you can add or remove pieces as your project evolves. How cool is that?

The Ultimate Shield

Photo by FLY:D on Unsplash

Security is a widely discussed topic in many applications, with embedded systems being just a part of them. Given the importance of protecting data from corruption or hacking, high security with specific features is a must. This includes encrypted file systems, robust firewalls, user and group permissions for system administration, and more.

In essence, security is like a shield for your embedded systems, ensuring that sensitive data remains protected from any potential threats.

Linux has all these built-in security features, making it a great advantage over other operating systems like macOS and Windows. These features help to mitigate the risks of hacking and data theft, which are major concerns in the world of embedded software development.

In other words, Linux has got your back with its built-in security, ensuring that your data is protected from any potential threats.

final thoughts

I’m not saying you should give up your trusty Windows or macOS if that’s what you use for your daily grind. And I’m not claiming that Linux is the be-all and end-all of operating systems. Every operating system was created to solve specific problems, just like every invention ever created.

The purpose of this article is simply to highlight the significance of Linux in embedded software development and to show you the opportunities it provides for learning. After all, it’s a free and open-source operating system.

Learning Linux and operating system concepts can give you a fresh perspective on embedded systems and a deeper understanding of how they work.

So, there you have it! Thanks for taking the time to read this article, I hope it was informative and entertaining. And remember, all operating systems have their place in this world.

Other articles

  1. Topics you should learn in embedded software development
  2. The classic “Hello world” C program from a different perspective

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Tobias Aguiar

Software developer | Trying to make complex concepts look easy | Want help or discuss about embedded software development? Email me! tobi.aguiar01@gmail.com