$ curl cheat.sh/
# poweroff
# Power off the system.
# More information: <https://www.man7.org/linux/man-pages/man8/poweroff.8.html>.

# Power off the system:
poweroff

# Halt the system (same as `halt`):
poweroff --halt

# Reboot the system (same as `reboot`):
poweroff --reboot

# Shut down immediately without contacting the system manager:
poweroff --force --force

# Write the wtmp shutdown entry without shutting down the system:
poweroff --wtmp-only

$
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