Groff, James R & Weinberg, Pail N. <br/><br/>
Understanding Unix  a conceptual guide 

 - 2nd ed 
 - Tech Publications, Singapore  1988 
 - xiv,234 
<br/><br/><label>ISBN: </label>981-3091-03-7 
<br/><br/><label>Dewey Class. No.: </label>001.61 Gro/Wei