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echo: os2prog
to: Jorgen De Gier
from: Vitus Jensen
date: 1995-11-01 15:46:14
subject: Re: CTL-ALT-DEL

Moin Jorgen,

28.10.95 02:56, you wrote a message to Peter Fitzsimmons:

 PF>>> Personally,  I hope you can turn this off -- I think C-A-D 
 PF>>> _should_ reboot the computer,  no questions asked.

 JDG> I don't agree. C-A-D seems to be 'stronger' then Control-Escape. 
 JDG> 5 minutes before I wrote this message, Warp Connect crashed. 
 JDG> I couldn't even move my mouse. Pressing Control/Alt-Escape 
 JDG> didn't react. But pressing C-A-D did work!

Depends how the system/keyboard driver handles the keys. OS/2 tries to
create a window list on Ctrl-ESC which is a lot of work to be done
(especially if the system has already crashed :).
On DOS you can always write a TSR which ignores C-A-D and reboots on -- say
-- typing BOOT in big letters.

So it's kind of historic that,
Ctrl-C       terminates the current process
Ctrl-Break   tries harder
Ctrl-Q/S     stops/starts terminal output
C-A-D        reboots
...

You should never confuse an user by assigning unusual reactions to those
sequences. An yes: a server or multiuser machine should ignore C-A-D (just
like NetWare und most UNIXes do).

Bye,
	Vitus 

PIN: 10:1000/100.20
Internet: vitus{at}vortex.de

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