x86: 例 - システムを実行レベル S (シングルユーザー状態) にする

type any key to reboot
            .
            .
            .
                     <<< Current Boot Parameters >>>
Boot path: /isa/ata@1f0,0/cmdk@0,0:a
Boot args: 

Type    b [file-name] [boot-flags]   to boot with options
or      i                            to enter boot interpreter
or                                   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
# who -r
.       run-level S  Aug  4 13:11     S      0  3
(保守作業を行う)
# Control-dを押す