RMAN 
[ TARGET [=] connectStringSpec 
| { CATALOG [=] connectStringSpec | NOCATALOG } 
| AUXILIARY [=] connectStringSpec 
| LOG [=] ['] filename ['] 
| APPEND
| { CMDFILE [=] | @ } ['] filename ['] 
| MSGNO 
| SEND [=] 'command'
| PIPE [=] ['] pipe_name [']
| TIMEOUT [=] integer
]
[ TARGET [=] connectStringSpec 
| { CATALOG [=] connectStringSpec | NOCATALOG } 
| AUXILIARY [=] connectStringSpec 
| LOG [=] ['] filename ['] 
| APPEND
| { CMDFILE [=] | @ } ['] filename ['] 
| MSGNO 
| SEND [=] 'command'
| PIPE [=] ['] pipe_name [']
| TIMEOUT [=] integer
]...