000 00310nam a2200109Ia 4500
008 220916s9999 xx 000 0 und d
020 _a9788120305168
100 _aBach, M. J
245 4 _aThe design of the unix operating system
260 _aNew Delhi
_bPHI Learning Private Limited
_c2013
300 _axiv, 471p.
999 _c44362
_d44362