June 2004
Intermediate to advanced
1056 pages
39h 58m
English
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Name
shutdown
Synopsis
shutdown [options]when[message]
Terminates all processing. when may be a
specific time (in
hh:mm format),
a number of minutes to wait (in
+
m format), or
now. A broadcast
message notifies all users to log off the
system. Processes are signaled with SIGTERM, to
allow them to exit gracefully. Only privileged users can execute the
shutdown command. Broadcast messages, default or
defined, are displayed at regular intervals during the grace period;
the closer the shutdown time, the more frequent the message.
Options
-
-c Cancel a shutdown in progress.
-
-f Reboot fast, by suppressing the normal call to
fsckwhen rebooting.-
-h Halt the system when shutdown is complete.
-
-k Print the warning message, but suppress actual shutdown.
-
-n Perform shutdown without a call to
sync.-
-r Reboot the system when shutdown is complete.
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