Unix Manual./At---T. <br/><br/>
Unix : V/R-4 Programmers Guie:Posix Conformance. 

 - 1st Ed. 
 -  Prentice Hall of India Private Limited  1990 
 -  22 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>REF
<br/><br/><label>Dewey Class. No.: </label>001.6424  / UNI