00241nam a2200109Ia 4500100002600000654000900026245003000035260003200065082001400097300000800111546001200119  aMorgan/R/ Mcgilton/H   aUnix  aIntroducing Unix system V  bMcGraw HillaNew Yorkc1987  a5.13bMOR  a612  aENGLISH