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reboot(8) System Manager's Manual reboot(8) NAME reboot - Restarts the machine SYNOPSIS /usr/sbin/reboot [-dlnq] DESCRIPTION When the system is running and multiple users are logged in, use the shutdown -r command to perform a reboot operation. If no users are logged in, use the reboot command. The reboot command normally stops all running processes, syncs the disks, logs the reboot, and writes a shutdown entry in the login ac- counting file, /var/adm/wtmp. The reboot command uses the sync call to synchronize the disks, and to perform other shutdown activities such as resynchronizing the hardware time-of-day clock. After these activities, the system reboots. By de- fault, the system starts and the file systems are automatically checked. If the start-up activities are successful, the system comes up in the default run-level. You must have root privileges to use this command. Using the -n flag can result in file system damage. FLAGS Generates a crash dump of the system before halting it. Can be used with any of the other flags. Does not log the reboot using syslog Does not sync the disks or log the reboot using syslog Performs a quick re- boot without first shutting down running processes; does not log the reboot using syslog EXAMPLES To enable the default reboot action, enter: reboot This command causes the system to stop all running processes, sync the disks, log the shut- down, and perform other routine shutdown and reboot activities. To shut down the system without logging the reboot, enter: reboot -l This command shuts down the system and performs all shutdown and reboot ac- tivities, except logging the shutdown. To reboot the system abruptly, enter: reboot -q This command reboots the system abruptly without shut- ting down running processes. FILES Specifies the command path Specifies the login accounting file Speci- fies the path of the syslog daemon RELATED INFORMATION Commands: fsck(8), halt(8), init(8), savecore(8) shutdown(8), sys- logd(8) Functions: reboot(2), sync(2), syslog(3) delim off reboot(8)