OS-9

from The Free On-line Dictionary of Computing (8 July 2008)
OS-9

   <operating system> A {real-time} {operating system} written by
   {Microware Corporation}.  The original version was written
   about 1978 for the {Motorola 6809} and has since been ported
   to the {Motorola 68000}, {Intel 80386}, {Intel 486}, and the
   {PowerPC}.  The {kernel} of OS-9 is {ROMable}, modular, with a
   unified file system, allowing it to easily be scaled up or
   down as required.

   FAQ (http://os9archive.rtsi.com/os9faq.html).

   User Group (http://cs.wisc.edu/~pruyne/os9ugfaq.html).

   Usenet newsgroup: news:comp.os.os9.

   (1996-04-03)
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
OS9
       Operating System - 9 (Microware, OS), "OS-9"
       
    

[email protected]