Shutdown, Restart and Logout of a system with terminal

# init 0

shutdown system(2) [man]

# logout

leaving session [man]

# reboot

reboot(2) [man]

# shutdown -h now

shutdown system(1) [man]

# shutdown -h 16:30 &

planned shutdown of the system at 16:30 [man]

# shutdown -c

cancel a planned shutdown of the system [man]

# shutdown -r now

reboot(1) [man]

# telinit 0

shutdown system(3) [man]