From 8b800f8fd193ff408ea92a9ea3eb6584a5ec0e9b Mon Sep 17 00:00:00 2001 From: Peter Stephenson Date: Tue, 19 Dec 2006 10:35:54 +0000 Subject: document OS may handle negative or zero PID in kill --- Doc/Zsh/builtins.yo | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Doc') diff --git a/Doc/Zsh/builtins.yo b/Doc/Zsh/builtins.yo index 51c1fd00c..e84084cd4 100644 --- a/Doc/Zsh/builtins.yo +++ b/Doc/Zsh/builtins.yo @@ -692,6 +692,9 @@ tt(SIGIO), assuming they correspond to the same signal number. tt(kill show if the alternative form corresponds to a signal number. For example, under Linux tt(kill -l IO) and tt(kill -l POLL) both output 29, hence tt(kill -IO) and tt(kill -POLL) have the same effect. + +Many systems will allow process IDs to be negative to kill a process +group or zero to kill the current process group. ) findex(let) item(tt(let) var(arg) ...)( -- cgit 1.4.1