Flynn, Ida M.,  1942- <br/><br/>
Understanding operating systems / 
Ida M. Flynn, Ann McIver McHoes. 
 - Second edition. 
 - Boston :  PWS Publishing,  c1997. 
 - x, 438 pages :  illustrations 
<br/><br/><label>ISBN: </label>0534950930 9780534950934 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)
<br/><br/><label>Dewey Class. No.: </label>005.4