000 00280nam a2200121Ia 4500
008 220201s1995 xx 000 0 eng d
082 _a5.43
_bRIT
100 _aRitchie, C.
245 0 _aOperating system
260 _aDelhi
_bBPB publication
_c1995
300 _a232
942 _2ddc
999 _c35034
_d35034