+
+ <varlistentry>
+ <term><option>--global</option></term>
+
+ <listitem><para>When used with
+ <command>enable</command> and
+ <command>disable</command>, operate on the
+ global user configuration
+ directory, thus enabling or disabling
+ a unit file globally for all future
+ logins of all users.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--no-reload</option></term>
+
+ <listitem><para>When used with
+ <command>enable</command> and
+ <command>disable</command>, do not
+ implicitly reload daemon configuration
+ after executing the
+ changes.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--no-ask-password</option></term>
+
+ <listitem><para>When used with
+ <command>start</command> and related
+ commands, disables asking for
+ passwords. Background services may
+ require input of a password or
+ passphrase string, for example to
+ unlock system hard disks or
+ cryptographic certificates. Unless
+ this option is specified and the
+ command is invoked from a terminal
+ <command>systemctl</command> will
+ query the user on the terminal for the
+ necessary secrets. Use this option to
+ switch this behavior off. In this
+ case the password must be supplied by
+ some other means (for example
+ graphical password agents) or the
+ service might fail.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--kill-mode=</option></term>
+
+ <listitem><para>When used with
+ <command>kill</command>, choose the
+ mode how to kill the selected
+ processes. Must be one of
+ <option>control-group</option> or
+ <option>process</option> to select
+ whether to kill the entire control
+ group or only the selected process
+ itself. If omitted defaults to
+ <option>control-group</option> if
+ <option>--kill-who=all</option> is
+ set, or <option>process</option>
+ otherwise. You probably never need to
+ use this switch.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--kill-who=</option></term>
+
+ <listitem><para>When used with
+ <command>kill</command>, choose which
+ processes to kill. Must be one of
+ <option>main</option>,
+ <option>control</option> or
+ <option>all</option> to select whether
+ to kill only the main process of the
+ unit, the control process or all
+ processes of the unit. If omitted
+ defaults to
+ <option>all</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--signal=</option></term>
+ <term><option>-s</option></term>
+
+ <listitem><para>When used with
+ <command>kill</command>, choose which
+ signal to send to selected
+ processes. Must be one of the well
+ known signal specifiers such as
+ SIGTERM, SIGINT or SIGSTOP. If
+ omitted defaults to
+ <option>SIGTERM</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--force</option></term>
+ <term><option>-f</option></term>
+
+ <listitem><para>When used with
+ <command>enable</command>, override any
+ existing conflicting
+ symlinks.</para></listitem>
+
+ <listitem><para>When used with
+ <command>halt</command>,
+ <command>poweroff</command>,
+ <command>reboot</command> or
+ <command>kexec</command> execute
+ selected operation without shutting
+ down all units. However, all processes
+ will be killed forcibly and all file
+ systems are unmounted or remounted
+ read-only. This is hence a drastic but
+ relatively safe option to request an
+ immediate reboot.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--defaults</option></term>
+
+ <listitem><para>When used with
+ <command>disable</command>, ensures
+ that only the symlinks created by
+ <command>enable</command> are removed,
+ not all symlinks pointing to the unit
+ file that shall be
+ disabled.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--root=</option></term>
+
+ <listitem><para>When used with
+ <command>enable</command>/
+ <command>disable</command>/
+ <command>is-enabled</command>,
+ use alternative root path for systemd
+ install.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-H</option></term>
+ <term><option>--host</option></term>
+
+ <listitem><para>Execute operation
+ remotely. Specify a hostname, or
+ username and hostname separated by @,
+ to connect to. This will use SSH to
+ talk to the remote systemd
+ instance.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-P</option></term>
+ <term><option>--privileged</option></term>
+
+ <listitem><para>Acquire privileges via
+ PolicyKit before executing the
+ operation.</para></listitem>
+ </varlistentry>