000 00267nam a2200121Ia 4500
008 220201s1998 xx 000 0 eng d
100 _aRITCHIE COLIN
245 0 _aOPERATING SYSTEMS
250 _a3
260 _aDELHI
_bBPB PUB
_c1998
300 _a276
942 _2ddc
999 _c92378
_d92378