{ LOGFILE logSpec [, logSpec]... 
| NOFILENAMECHECK 
| SKIP READONLY 
| DEVICE TYPE deviceSpecifier [, deviceSpecifier]... 
| PFILE [=] ['] filename [']
} 
[ LOGFILE logSpec [, logSpec]... 
| NOFILENAMECHECK 
| SKIP READONLY 
| DEVICE TYPE deviceSpecifier [, deviceSpecifier]... 
| PFILE [=] ['] filename [']
]...