High Quality Content by WIKIPEDIA articles! The LynxOS RTOS is a Unix-like real-time operating system from LynuxWorks (formerly "Lynx Real-Time Systems"). Sometimes known as the Lynx Operating System, LynxOS features full POSIX conformance and, more recently, Linux compatibility. LynxOS is mostly used in real-time embedded systems, in applications for avionics, aerospace, the military, industrial process control and telecommunications.