000 00287nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSILBERSCHATZ (ABRAHAM) & GALVIN (PETER B)
245 0 _aOPERATING SYSTEM CONCEPTS
250 _a9TH
260 _bWILET, INDIA, N. DELHI
942 _2ddc
999 _c99768
_d99768