CentOS/Fedora/Redhat/Ubuntu Restart and Shutdown Commands

FREQUENTLY ASKED QUESTIONS (Linux)
Q: How to Restart/Reboot/Shutdown a linux system?

CentOS Restart and Shutdown Commands
[root@server ~]# shutdown now
[root@server ~]# poweroff
[root@server ~]# reboot

Fedora Restart and Shutdown Commands
[root@server ~]# shutdown now
[root@server ~]# poweroff
[root@server ~]# reboot

Redhat Restart and Shutdown Commands
[root@server ~]# shutdown now
[root@server ~]# poweroff
[root@server ~]# reboot

Ubuntu Restart and Shutdown Commands
[root@server ~]# sudo shutdown -d now
[root@server ~]# sudo reboot

LABELS: CentOS, extra-tips, FAQ, Fedora, linux, Linux Commands, Redhat, Ubuntu