Lorin, Harold <br/><br/>
Operating Systems. 

 - 1st./ed 
 - xxi, 378p  bibliography, index  24cm. 
<br/><br/><label>ISBN: </label>0201144646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating Systems (Computers)--Canada--1981--hardbound