Understanding operating systems 
Flynn Ida M. 
 - USA  Cole publishing company  1991 
 - 349p. 
<br/><br/><label>ISBN: </label>0-534-98555-6 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>QA76.76   / .F54 1991