shutdown Command: Tutorial & Examples
Turn off or reboot the system
shutdown command is a command-line utility used to shut down or reboot a Linux system. The
shutdown command can be used to schedule a shutdown or reboot at a specific time,
or to immediately shut down or reboot the system.
Here are some examples of using the
To immediately shut down the system, use the command:
sudo shutdown -h now
To schedule a shutdown in 15 minutes, use the command:
sudo shutdown -h +15
To reboot the system immediately, use the command:
sudo shutdown -r now
To schedule a reboot in 1 hour, use the command:
sudo shutdown -r +60
To cancel a scheduled shutdown or reboot, use the command:
sudo shutdown -c
The shutdown command can also be used to send a message to other users logged into the system, informing them that the system is going down. This can be done by using the
option and specifying the message, like this:
sudo shutdown -h +15 "The system will be shut down for maintenance in 15 minutes"
It is important to note that the shutdown command requires superuser/root privileges, so it must be executed with
sudo or by a user with root privilege.
Also, running this command will logout all the users and close all the running program or applications before shutting down the system.