000 00226nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aKOCHAN- S
245 0 _aEXPLORING IN UNIX SYSTEM
260 _bPEARSON EDU. DELHI
260 _c1987
546 _aENGLISH
999 _c22934
_d22934