000 00288nam a2200109Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"DAS, S."
245 _aUNIX CONCEPT AND APPLICATION
250 _a-
260 _bTATA MCGRAW- HILL
_a"7, WEST PATEL NAGER, NEW DELHI 110 008"
_c2003
300 _a614
440 _n-
999 _c12427
_d12427