LynuxWorks, Inc.
   3 operating systems for embedded systems: BlueCat Linux, BlueCat RT (real-time Linux), and the POSIX-conformant, hard real-time LynxOS operating system for mission-critical applications. ISO 9001 certified processes and state-of-the-art support infrastruc
   http://www.lynuxworks.com/

LynxOS
   Growing article, with links to many related topics. Wikipedia.
   http://en.wikipedia.org/wiki/LynxOS

README for XFree86 4.0.1 on LynxOS
   
   http://www.xfree86.org/4.0.1/LynxOS.html

README for XFree86 on LynxOS
   
   http://www.xfree86.org/3.3.6/LynxOS.html

ZNYX Networks: Drivers: LynxOS
   High availability drivers for LynxOS.
   http://www.znyx.com/support/drivers/os/lynxos.htm