00443nam 2200672 4500001000400000003002300004005000900027008004100036082001100077072001700088020001800105100002400123260002900147250000600176245002100182650001700203650001700220650001400237672StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a005.43 afile systems a81-203-0601-5 aAndrew S. Tanenbaum bPRENTICE.HALL PTR c1987 a2 aOpeating systems afile systems ainput/output aprocesses