<refsect1>
<title>Description</title>
- <para><command>halt</command>, <command>poweroff</command>,
- <command>reboot</command> may be used to halt, power-off or reboot
- the machine.</para>
+ <para><command>halt</command>, <command>poweroff</command>, <command>reboot</command> may be used to
+ halt, power-off, or reboot the machine. All three commands take the same options.</para>
</refsect1>
<refsect1>
<title>Notes</title>
- <para>These commands are implemented in a way that preserves compatibility with
- the original SysV commands.
- <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- verbs <command>halt</command>, <command>poweroff</command>,
- <command>reboot</command> provide the same functionality with some additional
- features.</para>
+ <para>These commands are implemented in a way that preserves basic compatibility with the original SysV
+ commands. <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ verbs <command>halt</command>, <command>poweroff</command>, <command>reboot</command> provide the same
+ functionality with some additional features.</para>
+
+ <para>Note that on many SysV systems <command>halt</command> used to be synonymous to
+ <command>poweroff</command>, i.e. both commands would equally result in powering the machine off. systemd
+ is more accurate here, and <command>halt</command> results in halting the machine only (leaving power
+ on), and <command>poweroff</command> is required to actually power it off.</para>
</refsect1>
<refsect1>