https://www.geshemtech.com/products/linux-rugged-tablet/ Linux is a free-to-use and freely spread Unix-like operating system, which is mainly used on computers based on Intel x86 series CPUs. This system is designed and implemented by thousands of programmers all over the world. Its purpose is to create a Unix-compatible product that is not restricted by the copyright of any commercial software and can be used freely in the world.