UNIX made easy / 

 - Berkeley :  Osborne McGraw-Hill,  c1990. 
 - lxxix, 1004 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0078815762 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>005.43