git: 2c0e00dc0147 - stable/14 - kill.1: mention special PID 0

The branch stable/14 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=2c0e00dc0147bdf3a6a84d0a16174aa521cbd262

commit 2c0e00dc0147bdf3a6a84d0a16174aa521cbd262
Author:     artembunichev <artembunichev@zohomail.com>
AuthorDate: 2025-01-19 12:49:14 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-01-21 00:25:59 +0000

    kill.1: mention special PID 0
    
    PR:      284158
    
    (cherry picked from commit f5cf173de0dc62dbf47a8bbdcae28aac947d90a6)
---
 bin/kill/kill.1 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bin/kill/kill.1 b/bin/kill/kill.1
index f3f0d27bb89b..0d3754626ee6 100644
--- a/bin/kill/kill.1
+++ b/bin/kill/kill.1
@@ -81,6 +81,9 @@ of the default
 .Pp
 The following PIDs have special meanings:
 .Bl -tag -width indent
+.It 0
+The signal is sent to all processes whose group ID is equal to the process
+group ID of the sender, and for which the process has permission.
 .It -1
 If superuser, broadcast the signal to all processes; otherwise broadcast
 to all processes belonging to the user.