Flynn, Ida  M. <br/><br/>
Understanding Operating Systems / 
Ida M.Flynn 
 - USA:  cengage learning;  2018. 
 - xiv, 588 p. :  ill;  24 cm. 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>9781305674257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Web opreating system
<br/><br/><label>Dewey Class. No.: </label>005.43  / FLY-U