00521nam a2200157Ia 4500008004100000020001800041041000800059082001600067100003800083245003700121250000600158260003800164300001200202999001900214952013000233210716s2014    xx            000 0 und d  a9788131521564  aeng  a005.42 MCHA  aMcHoes, Ann Mclver; Flynn, Ida M.  aUnderstanding operating systems.  a6  aNew DelhibCengage Learningc2014  axix,569  c194600d194600  001040708MCAaAIMITbAIMITeKnowledge Worldg399.00l0o005.42 MCHApMCA14108r2026-05-23 00:00:00v299.25w2021-07-16yBK