Ritchie, Colin. <br/><br/>
Operating systems / 
C. Ritchie. 
 - 3rd ed. 
 - New York ;  London :  Continuum,  1997. 
 - xiv, 277 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0826453821 :  KES 960 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)<br/>Microsoft Windows (Computer file)<br/>UNIX (Computer file)
<br/><br/><label>LC Class. No.: </label>QA76.76  / .R58 1997