000 00280nam a22001217a 4500
020 _a9780070472686
082 _a005.43
100 _aMUKESH SINGHAL
245 _aADVANCED CONCEPTS IN OPERATING SYSTEMS
260 _aNEW DELHI
_bMGH
_c1994
300 _aXXII, 522P
942 _cBK
999 _c8695
_d8695