From ea539eb65950bea7a9734424e660ef84f6f30e6c Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Mon, 29 Jun 2015 20:19:56 -0400
Subject: man: information about available properties

https://bugzilla.redhat.com/show_bug.cgi?id=1144496
---
 man/systemctl.xml | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

(limited to 'man')

diff --git a/man/systemctl.xml b/man/systemctl.xml
index e18ef6f898..66a090049d 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -114,12 +114,30 @@
 
         <listitem>
           <para>When showing unit/job/manager properties with the
-          <command>show</command> command, limit display to certain
-          properties as specified as argument. If not specified, all
-          set properties are shown. The argument should be a
+          <command>show</command> command, limit display to properties
+          specified in the argument. The argument should be a
           comma-separated list of property names, such as
-          <literal>MainPID</literal>. If specified more than once, all
-          properties with the specified names are shown.</para>
+          <literal>MainPID</literal>. Unless specified, all known
+          properties are shown. If specified more than once, all
+          properties with the specified names are shown. Shell
+          completion is implemented for property names.</para>
+
+          <para>For the manager itself,
+          <command>systemctl show</command> will show all available
+          properties. Those properties are documented in
+          <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+          </para>
+
+          <para>Properties for units vary by unit type, so showing any
+          unit (even a non-existent one) is a way to list properties
+          pertaining to this type. Similarly showing any job will list
+          properties pertaining to all jobs. Properties for units are
+          documented in
+          <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+          and the pages for individual unit types
+          <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+          <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+          etc.</para>
         </listitem>
       </varlistentry>
 
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