Walker, A. N. <br/><br/>
The UNIX TM environment / 
A.N. Walker 
 - Chichester :  John Wiley & Sons,  1984 
 - 151 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>047190564X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX (Computer operating system)<br/>Electronic digital computers--Programming