6 Puentes y conectores.............................................................................................................125
8 Mensajes del sistema.............................................................................................................135
..................................................................................................................................................135
................................................................................................................................................156
............................................................................................................................................... 157
9 Obtención de ayuda................................................................................................................159
................................................................................................... 125
................................................................................................................................ 126
......................................................................................................... 127
............................................................................................135
............................................................................................................................. 135
..................................................................................................................................... 157
.................................................................................................................... 159
............................................................123
..............................................................................123
...................................................................................... 124
......................................................................................... 135