vxworks

from The Free On-line Dictionary of Computing (8 July 2008)

VxWorks

   <operating system> A {real-time} {multitasking} {operating
   system} from {Wind River Systems}.  Originally it used the
   {VRTX} {kernel} but this has been replaced by Wind River's own
   "Wind kernel 2.4".

   Before version 5.3 VxWorks included a {software development
   environment} but this is now called "Tornado".

   Latest version: 5.3, as of 1996-11-28.

   (1996-11-29)