00420nam a2200145Ia 4500008004100000100002000041245004400061245004400105250000800149260002700157300000800184942000800192999001500200952005900215190311s9999    xx            000 0 und d  aMaurice J. Bach 4aThe Design of the Unix Operating System 4aThe Design of the Unix Operating System  a1st  BPHI Learning Pvt. Ltd.  a471  2DDC  c6511d6511  00104070d2019-03-11g295.00r2019-03-11w2019-03-11