Fri . 19 May 2019


lynxos operating system, lynxos download
The LynxOS RTOS is a Unix-like real-time operating system from Lynx Software Technologies formerly "LynuxWorks" 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,2 industrial process control and telecommunications


The first versions of LynxOS were written in 1986 in Dallas, Texas, by Mitchell Bunnell and targeted at a custom-built Motorola 68010-based computer The first platform LynxOS ever ran on was an Atari 1040ST with cross development done on an Integrated Solutions UNIX machine In 1988-1989, LynxOS was ported to the Intel 80386 architecture Around 1989, ABI compatibility with System V3 was added Compatibility with other operating systems, including Linux, followed

Full Memory Management Unit support has been included in the kernel since 1989, for the reliability of protected memory and the performance advantages of virtual addresses The PowerPC architecture is also supported, and in February 2015 Lynx announced planned support for the ARM Cortex A-family3

LynxOS components are designed for absolute determinism hard real-time performance, which means that they respond within a known period of time Predictable response times are ensured even in the presence of heavy I/O due to the kernel's unique threading model, which allows interrupt routines to be extremely short and fast

Lynx holds an expired patent on the technology that LynxOS uses to maintain hard real-time performance US Patent 5,469,571 was granted to Lynx November 21, 1995: "Operating System Architecture using Multiple Priority Light Weight kernel Task-based Interrupt Handling"

In 2003, Lynx introduced a specialized version of LynxOS called LynxOS-178, especially for use in avionics applications that require certification to industry standards such as DO-178B

The Usenet newsgroup composlynx is devoted to discussion of LynxOS


  1. ^ http://wwwlynxcom/corporate/press/2013/rtos-lynxos-7php
  2. ^ http://arstechnicacom/information-technology/2013/10/the-navys-newest-warship-is-powered-by-linux
  3. ^ http://wwwlynxcom/lynx-software-technologies-announces-security-product-support-for-new-arm-based-iot-designs/

External linksedit

  • Lynx real-time operating systems RTOS
  • Patent #5,469,571: LynuxWorks' "Operating System Architecture using Multiple Priority Light Weight kernel Task-based Interrupt Handling"
  • Whitepaper: Using the Microprocessor MMU for Software Protection in Real-Time Systems
  • Applications using LynxOS and other Lynx operating systems

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