000 00278nam a2200121Ia 4500
008 220201s2010 xx 000 0 eng d
082 _a005.43
_bBAC
100 _aBach, M.J.
245 0 _aUnix operating system
260 _aNew Delhi
_bPHI
_c2010
300 _a481
942 _2ddc
999 _c63761
_d63761