Installation guide

# shutdown +10 Maintenance shutdown
The system begins to notify users of the impending shutdown. Next, it
disables logins, stops accounting and error logging, stops all remaining
processes, logs the shutdown in the log file, and sends the init program a
signal that causes the system to transition to single-user mode.
When the system’s shutdown completion message appears, the shutdown is
complete. You can access the system through the console to perform the
desired administrative tasks. When you are finished, reboot the system.
3.10.2 Shutting Down and Halting the System
To shut down the system from multiuser mode, warn all users, and halt all
systems:
1. Log in as root and change to the root directory:
# cd /
2. Use the following syntax with the shutdown command:
shutdown −h time
[ warning-message]
For example, to shut down and halt the system in 5 minutes with a
warning to users that the system is going down for maintenance, enter:
# shutdown -h +5 Maintenance shutdown in five minutes
The shutdown program begins to notify users of the impending shutdown,
disables logins, and proceeds with the standard shutdown activities. At the
specified shutdown time, the systems are halted.
3.10.3 Shutting Down and Automatically Rebooting the System
To shut down the system from multiuser mode, warn all users, and
automatically reboot the system to multiuser mode:
1. Log in as root and change to the root directory:
# cd /
2. Use the following syntax with the shutdown command:
shutdown -r time
[ warning-message]
For example, to shut down and automatically reboot the system in 15
minutes with a warning to users that the system is going down for a
reboot, enter the following command:
# shutdown -r +15 Shutdown and reboot in 15 minutes
3–18 Starting Up and Shutting Down the System