SCO open server  Operating system user's guide 

 - Californiia  Santa Cruz Operation  1995 
 - xvi, 456p.  23cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Computer programming<br/>Operating System
<br/><br/><label>Dewey Class. No.: </label>621.381952  / S15