execute : reboot
 
reboot
Restart the FortiGate unit.
 
Abruptly powering off your FortiGate unit may corrupt its configuration. Using the reboot and shutdown options here or in the web-based manager ensure proper shutdown procedures are followed to prevent any loss of configuration.
Syntax
execute reboot <comment “comment_string”>
<comment “comment_string”> allows you to optionally add a message that will appear in the hard disk log indicating the reason for the reboot. If the message is more than one word it must be enclosed in quotes.
Example
This example shows the reboot command with a message included.
execute reboot comment “December monthly maintenance”