![]() ![]() The use of this option is discouraged, and its results are not always predictable.Ĭancel a pending shutdown. If -h is also specified, this option instructs the system to drop into boot monitor on systems that support it.ĭon't call init to do the shutdown of processes instruct shutdown to do that itself. Instructs the system to shut down and then power down. ![]() Instructs the system to shut down and then halt. See access control below for more information.ĭo not shut down, but send the warning messages as if the shutdown were real. Syntax shutdown time Options -aĬontrol access to the shutdown command using the control access file /etc/shutdown.allow. Your system may have a different set of options for the shutdown command check your documentation for details. Runlevel 1 is the default, unless the -h or -r options are specified. Runlevel 0 is used to halt the system, runlevel 6 is used to reboot the system, and runlevel 1 is used to put the system into a state where administrative tasks can be performed (single-user mode). Shutdown does its job by signalling the init process, asking it to change the runlevel. This gives programs like vi time to save the file being edited, mail and news processing programs a chance to exit cleanly, etc. It is possible to shut the system down immediately, or after a specified delay.Īll processes are first notified that the system is going down by the signal SIGTERM. All logged-in users are notified that the system is going down, and login operations are blocked. The shutdown command brings the system down in a secure way.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |