Wrightson, Katherine. <br/><br/>
Introduction to UNIX / 
Kate Wrightson and Joe Merlino. 
 - Boston :  McGraw-Hill,  2003. 
 - xiii, 407 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0072836202 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>005.4