000			00467nam a2200181Ia 4500
008			201023s9999||||xx |||||||||||||| ||und||
020			_a978-0-07-0635463
100			_aDas, Sumitabha
245		0	_aUnix Concepts and Application.
250			_a4th
260			_aNew Delhi _bTata McGraw Hill _c2009
300			_aviii, 671
365			_b385
650			_aComputer Science.
942			_cTB
999			_c657 _d657