000			00304nam a22001337a 4500
020			_a0070472688
082			_a005.43
100			_aSINGHAL, MUKESH
245			_aADVANCED CONCEPTS IN OPERATING SYSTEMS
250			_aNEW DELHI
260			_aNEW DELHI _bTMH _c1994
300			_aXXII, 522P
942			_cBK
999			_c10188 _d10188