Unix system v, release 4 includes multiprocessing :  Device driver interface/  Intel processors 
Driver-kenrnel interface reference manual : 
 - 1 volumen (en varias paginaciones) 
<br/><br/><label>ISBN: </label>0138795290 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX System V (Sistema operativo)
<br/><br/><label>LC Class. No.: </label>QA76.76O63  / U58 1992