How tiny operating systems power billions of IoT devices with just kilobytes of memory.
When we think about operating systems, we usually imagine powerful platforms like Microsoft Windows, macOS, or Linux, designed for laptops, servers, and smartphones, with gigabytes of RAM and multi-core processors.
But the majority of computers on Earth don’t run those systems.
Instead, they run tiny operating systems on microscopic hardware: microcontrollers with 10 KB of RAM, a 50 MHz processor, and batteries expected to last years.
These “invisible” operating systems power:
- medical implants
- industrial sensors
- smart home devices
- vehicle controllers
- environmental monitoring systems
Operating systems like Contiki, TinyOS, and Tock OS redefine what an operating system can be.
Here are five surprising realities about how these systems actually work.
Read more at Where the wind meets me
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