From the router in your basement, to the cable box on your TV to your Smart TV, Linux is there. From high-speed optical switches for long distance call routing to the embedded home monitoring systems, cameras and alarm systems, Linux is there monitoring and controlling homes and businesses all around the world. Linux Powers Communication More than 80 percent of the web servers in the world are driven by Linux. Due to its ability to perform high-speed real-time communications, Linux can operate more cost-effectively and efficiently than most other operating systems. This makes Linux the OS of choice for web servers – and also for Android phones. Linux supports all known communications protocols, including Controller Area Network (CAN), which is the automotive control protocol. Many of the touch screens in today’s automobiles are Linux based. Large machine shops employ Linux CNC as their control software for large machining centers and factory network management. These protocols are also used for the internet of things (IoT) and embedded Linux configuration, setup and troubleshooting. Linux Accessibility For the cost of a PocketBeagle, Raspberry Pi, microSD card, power supply and Debian Linux book ($20.00 used), you can get started with all the hardware you need to build a running Linux system. Add in a few downloads, Debian Linux, compilers, tools and editors – all open source of course – and you have all the hardware and software you need to get hands-on Linux experience that you can apply to a CompTIA Linux+ certification and your IT career. The Branches: How Linux Fits into Your IT Career Because Linux is used in so many different ways, having Linux skills (and certifications) gives you an array of career options, ensuring interesting tasks with the potential to grow into advanced areas of IT or management. You can use Linux in traditional administration or operations or in software development, systems programming, or installation and support of exotic and sophisticated systems. The sky is truly the limit. Here are just a few examples of how Linux is used: • IoT devices, machine tools, cellular networks, industrial lasers and 3-D printers • Embedded Linux development in many industrial and commercial applications, like automobiles, smart meters and industrial controls • CAN protocol, which allows different automobile components to communicate with each other. • Bluetooth used in communication, data streaming, even soil and weather information in agriculture • Artificial intelligence (AI) – advanced RISC Machines (ARM)-based systems with programmable real- time unit subsystems and industrial communication subsystems that provide the foundation for processor-based AI • Even the International Space Station!
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