2004-01-28 Fedora Tips 33:
If you want to change the default behaviour of Ctrl-Alt-Del, edit
/etc/iniitab and look for ctrlaltdel
The last parameter is the command to execute when you press Ctrl-Alt-Del
For example, you can shutdown your machine with:
ca::ctrlaltdel:/sbin/shutdown -t3 -h now- submitted by Franco Catrin L.