Topham, Douglas W.,   1942-,  <br/><br/>
A system V guide to UNIX and XENIX/ 
Douglas William Topham. 
 - New York:  Springer-Verlag,  1990. 
 - 733 pages :  illustrations ;   24 cm. 
<br/><br/><label>ISBN: </label>0387970215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UNIX System V (Computer Operating System).<br/>XENIX(computer operating system).