00345nam a2200145Ia 4500008004100000020001800041041000800059082001600067100002000083245002800103250000600131260003900137300001400176650000900190210716s2009    xx            000 0 und d  a9788131725269  aeng  a005.43 QUIE  aQuigley, Ellie.  aUnix shells by example.  a4  aNew DelhibPearson Educationc2009  axxxv,1150  aUnix