AT&T <br/><br/>
UNIX system V Release 4  system administrator's guide 
AT&T 
 - USA  Prentice Hall  1990 
<br/><br/> UNIX Software Operation. 
<br/><br/><label>ISBN: </label>0139470867 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. UNIX system (Computer file).
<br/><br/><label>Dewey Class. No.: </label>005.43