Operating systems:  incorporating UNIX and windows 
by Ritchie, Colin 
 - london  Thomson  2003 
 - 274p. 
<br/><br/><label>ISBN: </label>0-8264-6416-5 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>QA 76.76  / .R57 2003