UNIX system V, release 4 :  programmer's reference manual / 
AT & T 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1990 
 - 1 v. (various pagings) ;  24 cm. 
<br/><br/> 'UNIX System V, UNIX software operation.' 
<br/><br/><label>ISBN: </label>0139470298 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>UNIX System V (Computer file)
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX (Computer operating system)