From fc073ea1988de35e561dbee9e65b5ee8674921a7 Mon Sep 17 00:00:00 2001
From: ghudson <ghudson@NetBSD.org>
Date: Sat, 1 Feb 1997 02:46:38 +0000
Subject: [PATCH] Document the meaning of gid 0 to the su command.

---
 share/man/man5/group.5 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/share/man/man5/group.5 b/share/man/man5/group.5
index 115c6f7c817b..2f8c955a0bec 100644
--- a/share/man/man5/group.5
+++ b/share/man/man5/group.5
@@ -1,4 +1,4 @@
-.\"	$NetBSD: group.5,v 1.4 1995/07/28 06:41:39 phil Exp $
+.\"	$NetBSD: group.5,v 1.5 1997/02/01 02:46:38 ghudson Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -103,6 +103,14 @@ entry and does not need to be added to that group in the
 .\"	char    **gr_mem;        /* group members */
 .\" };
 .\" .Ed
+.Pp
+The group with gid 0 has a special meaning to the 
+.Xr su 1
+command: if it exists and has any members, only users in that group
+are allowed to
+.Nm su
+to
+.Dq root .
 .Sh YP SUPPORT
 If YP is active, the
 .Nm