00321pam a2200133a 44500008004100000041000800041100001900049245004300068250000600111260001900117300001600136440000800152700002700160230405s1994    xxu||||| |||| 00| 0 eng d  aENG  aMukesh Singhal  aAdvanced Concepts in Operating Systems  a1  abM.G.H.c1994  a522P, 24cms  a250  aNiranjan G. Shivaratri