Yes, I think I saw it also..then again, being nearly
blind!!! Of course I had to use the 8X binoc's to see
it!!!
--- Marshall Paul <
mbpaulsr@yahoo.com> wrote:
> Jeremy,
>
>
> Thanks. I see that ctrlaltdel is an unique inittab
> command/action. The manual decribes action as
> something that should be taken, which was confusing.
>
> I think I fully understand whats going on now.
>
> Thanks again for helping me understand whats going
> on
> better.
>
> Marshall
> --- "Jeremy C. Reed" <reed@reedmedia.net> wrote:
>
> > On Mon, 30 Aug 2004, Marshall Paul wrote:
> >
> > > command. My real goal was to break down each
> > element
> > > of this command string and understand it.
> > > ca::ctrlaltdel:/sbin/shutdown -t5 -h -a now I
> > fully
> > > understand the shutdown command but do not
> > understand
> > > the ca::ctrlaltdel: portion and could not find
> > > documentation on it. I can only assume out of
> my
> > > ignorance that ca captures keyboard strokes and
> ::
> > if
> > > equal to ctrlaltdel executes what follows the :.
>
> > If
> >
> > The first "ca" is the unique inittab id. I assume
> > you could just name it
> > anything else instead (one to four characters).
> >
> > The :: (colon followed by colon) just means there
> is
> > no "runlevel". It is
> > blank; it is empty.
> >
> > The ctrlaltdel part (which is the action part)
> just
> > means that init
> > receives the SIGINT signal. (I assume this is
> > handled by the kernel: the
> > kernel recognized the keystroke and sends the
> SIGINT
> > singal to init
> > (process id 1)).
> >
> > > that is so what number represents ctrlaltdel and
> > how
> > > is it derived? Can the the raw (HEX code)number
> > be
> > > substituted for ctrlaltdel?
> >
> > No.
> >
> > See the inittab man page.
> >
> > Then maybe look in kernel source to choose your
> > CTRL-ALT-DELETE behaviour.
> >
> > Jeremy C. Reed
> >
> > BSD News, BSD tutorials, BSD links
> > http://www.bsdnewsletter.com/
> >
> >
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>
>
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Nothing more is expected.
Nothing less is acceptable!
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