diff options
Diffstat (limited to 'bin/kill')
| -rw-r--r-- | bin/kill/kill.1 | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/bin/kill/kill.1 b/bin/kill/kill.1 index 770a03d42d9..5a7482461e2 100644 --- a/bin/kill/kill.1 +++ b/bin/kill/kill.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: kill.1,v 1.13 2000/04/15 11:45:53 aaron Exp $ +.\" $OpenBSD: kill.1,v 1.14 2000/06/28 16:55:15 deraadt Exp $ .\" $NetBSD: kill.1,v 1.8 1995/09/07 06:30:26 jtc Exp $ .\" .\" Copyright (c) 1980, 1990, 1993 @@ -119,6 +119,10 @@ ALRM (alarm clock) TERM (software termination signal) .El .Pp +A signal number of 0 (kill -0 pid) checks the validity of a +certain pid, to see if it exists. +An exit code of 0 means that the specified process exists. +.Pp The .Nm utility is built-in to @@ -148,9 +152,3 @@ A .Nm command appeared in .At v6 . -.Sh BUGS -A replacement for the command -.Dq Li kill 0 -for -.Xr csh 1 -users should be provided. |