000 00316nam a2200133Ia 4500
005 20260413100353.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aStallings,William
245 0 _aOperating Systems
260 _bDelhi, Pearson
_c2012
300 _a822
942 _cBB
999 _c339
_d339