000			00000nam a2200000 a 4500
005			20251203091957.0
082			_a005.43, _bD, bir
100			_aBird, Richard J
245			_aProfessional programmers guide to Unix, Richard J Bird, eng
260			_aNew Delhi, Galgotia, In _c1992
300			_a151p. _c20cm
690			_aOperating system
964			_bEng _c _d _e _f _g_
997			_a82288 W
999			_c59568 _d59568