00309    a2200109   4500082001600000100002000016245004400036260003600080300002000116650003900136650002400175  a005.43bHAB  aHabermann, A.N.  aIntroduction to operating system design  aNew DelhibGalgotiac1993g1993  ax, 372p.c21cm.  aComputer programming programs data  aSystems programming