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Re: [rhelv5-list] Bash "kill -0" behavior

Tony Schreiner

2008-03-19

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On Mar 19, 2008, at 4:10 PM, Jos Vos wrote:

> On Wed, Mar 19, 2008 at 01:57:32PM -0600, Stephen John Smoogen wrote:
>
>> [smooge@(protected)
>> /usr/bin/kill
>> [smooge@(protected)
>> -rwxr-xr-x 1 root root 11168 Nov 30 15:35 /bin/kill*
>> lrwxrwxrwx 1 root root   14 Dec 3 14:17 /usr/bin/kill -> ../../
>> bin/kill*
>> [smooge@(protected) ~]$
>>
>> I do not see it as a builtin. Is there a
>
> It is. You don't identify builtins with "which". Try "which
> pwd" ;-).
>
> $ builtin kill
> kill: usage: kill [-s sigspec | -n signum | -sigspec] [pid |
> job]... or kill -l [sigspec]
> $ /bin/kill
> usage: kill [ -s signal | -p ] [ -a ] pid ...
>     kill -l [ signal ]
> $ builtin foo
> -bash: builtin: foo: not a shell builtin
>
> --
> --   Jos Vos <jos@(protected)>
> --   X/OS Experts in Open Systems BV  |  Phone: +31 20 6938364
> --   Amsterdam, The Netherlands     |   Fax: +31 20 6948204

Not that I'm advocating tcsh, but which in tcsh is a builtin which
will identify builtins

> echo $SHELL
/bin/tcsh
> which which
which: shell built-in command.


Tony Schreiner

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