Type any key to continue
            .
            .
            .
 
                     <<< Current Boot Parameters >>>
Boot path: /eisa/eha@1,4000/sd@0,0:a
Boot args: 
 
Type    b [file-name] [boot-flags] <ENTER>     to boot with options
or      i <ENTER>                              to enter boot interpreter
or      <ENTER>                                to boot with defaults
 
 
                     <<< timeout in 5 seconds >>>
 
Select (b)oot or (i)nterpreter: b -s
              .
              .
              .
INIT: SINGLE USER MODE
 
Type Ctrl-d to proceed with normal startup,
(or give root password for system maintenance): xxx
Entering System Maintenance Mode
              .
              .
              .
# who -r
.       run-level S  Aug  4 13:11     S      0  3
(保守作業を行う)
# Control-d を押す