000 00338nam a2200133Ia 4500
005 20260413100406.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSilberschautg, Abraham
245 0 _aOperating Systems Cocepts
260 _bNew Delhi, BPB Pub.
_c2013
300 _a470
942 _cBB
999 _c455
_d455