From 1f06d754be70b500fd88b0b3b1e0d2c8877f7b09 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Tue, 10 Oct 2017 12:06:09 +0200
Subject: setsid: document fork(2) usage

Addresses: https://github.com/karelzak/util-linux/issues/518
Signed-off-by: Karel Zak <kzak@redhat.com>
---
 sys-utils/setsid.1 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'sys-utils/setsid.1')

diff --git a/sys-utils/setsid.1 b/sys-utils/setsid.1
index 67c4208a7..61b13ce1d 100644
--- a/sys-utils/setsid.1
+++ b/sys-utils/setsid.1
@@ -10,7 +10,10 @@ setsid \- run a program in a new session
 .RI [ arguments ]
 .SH DESCRIPTION
 .B setsid
-runs a program in a new session.
+runs a program in a new session. The command calls
+.BR fork (2)
+if already a process group leader. Otherwise, it executes a program in the
+current process.
 .SH OPTIONS
 .TP
 .BR \-c , " \-\-ctty"
-- 
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