Flynn, Ida M. <br/><br/>
UNDERSTANDING OPERATING SYSTEMS 

 - Boston  PWS publishing company  1993 
 - 349p. 
<br/><br/><label>ISBN: </label>1-57231-574-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>operating computers (systems)
<br/><br/><label>LC Class. No.: </label>QA 76.76  / O63F59 1993