000 00310nam a2200133Ia 4500
008 220201s2018 xx 000 0 eng d
100 _aSlbuschatz Abraham
245 0 _aOperating System Concepts
250 _a9th
260 _bWilley
_aDelhi
_c2018
300 _a856
700 _aGalvin PB
942 _2ddc
999 _c11048
_d11048