Embedded Linux system is to make use of its own many characteristics of Linux, it is applied to embedded system. With the emergence of microprocessor, the low cost and compact structure of CPU and peripheral connection provide stable and reliable hardware architecture, so the bottleneck restricting the development of embedded system is highlighted in the software. Although from the late 1980s, a number of embedded operating systems emerged, such as Vxwork, pSOS, Neculeus and Windows CE.
Linux embedded advantages: First, Linux is open source, there is no black box technology, Linux enthusiasts all over the world is a strong technical support of Linux developers; Secondly, the Linux kernel is small and efficient, and the update speed of the kernel is fast. Finally, Linux is a free OS that is very competitive on price