000			00340nam a2200145Ia 4500
100			_aDas, Sumitabha
020			_a0-07-053475-6
250			_a3rd ed
654			_aComputer Science
942			_cBK
245			_aUNIX concepts and applications
260			_aTata McGraw Hill, New Delhi _c2003
082			_a001.61 Das
300			_axxii,673
999			_c24411 _d24411