000			00309nam a2200121Ia 4500
100			_aDas, Sumitabha
020			_a0-07-053475-6
942			_cBK
245			_aUNIX concepts and applications .-3rd ed .-0-07-053475-6
260			_aTata McGraw Hill, New Delhi _c2003
082			_a001.61 Das
300			_axxii,673
999			_c43725 _d43725