00399nam a2200133Ia 4500008004100000041000800041082001600049100003600065245009800101250000600199260003800205300001300243650000900256210716s1990    xx            000 0 und d  aeng  a005.43 HOLS  aAshley, Ruth;Fernandez, Judi N.  aTeach yourself unix: includes languages and power tools.bIncludes languages and power tools.  a1  aNew DelhibBPB Publicationsc1990  axiii,333  aUnix