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" 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/ > > --------------------------------------------------- > PLUG-discuss mailing list - > PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change you mail > settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > _______________________________ Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now. http://promotions.yahoo.com/goldrush --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss