Comer, Douglas Operating system design : the Xinu approach / Douglas Comer - 2nd ed. - Boca Raton, FL : CRC Press, Taylor & Francis Group, 2015 - xxii, 677 p. : ill. ; 24 cm. Includes index ISBN: 9781498712439 (hbk) Subjects--Topical Terms: Operating systems (Computers)System design