00333nam a2200133Ia 4500008004100000040001700041041001200058082001800070100002200088245002700110250001200137260003900149300001100188230917s9999||||xx |||||||||||||| ||und||  e106204aMAIN  aEnglish  a005.432 K811U  aKochan, Stephen G 0aUnix shell programming  a3rd ed.  aNew DelhibPearson Educationc2004  a437 p.