00338nam a2200133 a 450000100080000000500110000800800410001910000150006024500270007526000330010230000100013565300450014570000140019015919762023-09-22       1989    bl uuuu      00u1 u    #d1 aTHOMAS, R.  aUNIXbguia do usuario.  aSao Paulo: McGraw-Hillc1989  a944p.  aUNIX (sistema operacional de computador)1 aYATES, J.