000 00261nam a2200109Ia 4500
008 190912s9999||||xx |||||||||||||| ||und||
100 _aMorgan, Rachel
245 0 _aIntroduction UNIX System
260 _aNew york
_bMacmillan
_c1987
300 _a612
942 _cBK
999 _c7185
_d7185