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Unix system V: release 4: programmer's guide: POSIX conformance 

 - Delhi: Prentice-Hall of INew Delhiia  1992 
 - 52p.  24 cm. 
<br/><br/><label>ISBN: </label>0876927401 
<br/><br/><label>Dewey Class. No.: </label>001.6425,  / UNI