From: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
Date: Fri, 31 Oct 2025 06:28:57 +0000 (+0100)
Subject: man: clarify quoting of `$` in command lines (#39494)
X-Git-Tag: v259-rc1~213
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfb365d92445f8ac0bb5c57106a8598dc5eb56d4;p=thirdparty%2Fsystemd.git

man: clarify quoting of `$` in command lines (#39494)

When the special executable prefix `:` is used, `$$` yield the literal `$$`.
---

diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index 125acae4d37..84dd17920a1 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -1485,7 +1485,8 @@ ExecStart=/bin/echo $ONE $TWO $THREE</programlisting>
     <literal>too</literal>.
     </para>
 
-    <para>To pass a literal dollar sign, use <literal>$$</literal>.
+    <para>Unless for commands with the special executable prefix <literal>:</literal>,
+    to pass a literal dollar sign, use <literal>$$</literal>.
     Variables whose value is not known at expansion time are treated
     as empty strings. Note that the first argument (i.e. the program
     to execute) may not be a variable.</para>