00341nam a2200133Ia 4500003000400000005001700004008004100021020001800062082001100080100002100091245004000112260004500152300001000197TMU20250707134450.0160921s9999    xx            000 0 und d  a9788120305168  a005.43  aBach, Maurice J.  aDesign of The Unix Operating System  bPrentice- Hall of Indiac1986aNew Delhi  a471p.