Linux 命令行关机，重启，待机，休眠

sudo halt
sudo init 0
sudo shutdown -h now
sudo shutdown -h 0

sudo shutdown -h 19:00
sudo shutdown -h +30    ## 单位为分钟

sudo reboot
sudo init 6
sudo shutdown -r now

sudo pm-suspend
sudo pm-suspend-hybrid
sudo echo "mem" >/sys/power/state
sudo hibernate-ram

sudo pm-hibernate
sudo echo "disk" >/sys/power/state
sudo hibernate-disk