00493nam a2200157Ia 4500008004100000041000800041082001500049100001800064245003300082250001700115260003200132300001100164650003100175999001900206952011000225231207s9999    xx            000 0 und d  aeng  a005.43/STA  aSumitabha Das  aUnix Concept and Application  a2009 4th Ed.  bTata McGraw Hill, New Delhi  aPB/671  aComnputer Program Language  c948358d948358  00104070aMIMbMIMd2023-12-08g395.00l0o005.43/STApMIM-MCA4150r2023-12-08 00:00:00w2023-12-08yBK