000			00378nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a5 _bBU-U
100			_aBach,Maurice J.
245		4	_aThe design of UNIX operating system
250			_a1st . Ed.
260			_c1991 _aNew Delhi _bPHI Learning Private Limited
650			_aComputer Engineering
942			_cBK
999			_c1454 _d1454