(<literal>_SYSTEMD_UNIT=</literal>)
and additional matches for messages
from systemd and messages about
- coredumps for the specified unit.
+ coredumps for the specified unit.</para>
+ <para>This parameter can be specified multiple times.
</para></listitem>
</varlistentry>
and <literal>_UID=</literal>) and
additional matches for messages from
session systemd and messages about
- coredumps for the specified unit.
+ coredumps for the specified unit.</para>
+ <para>This parameter can be specified multiple times.
</para></listitem>
</varlistentry>
paths.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--root=<replaceable>ROOT</replaceable></option></term>
+
+ <listitem><para>Takes a directory path
+ as argument. If specified journalctl
+ will operate on catalog file hierarchy
+ underneath the specified directory
+ instead of the root directory
+ (e.g. <option>--update-catalog</option>
+ will create
+ <filename><replaceable>ROOT</replaceable>/var/lib/systemd/catalog/database</filename>).
+ </para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>--new-id128</option></term>