>>>>> "John" == John Nemeth <jnemeth@cue.bc.ca> writes:
    John>      Some distributions of Linux use c-a-d as a synonym for shutdown.

  To be precise, c-a-d means enable a inittab entry called "ca". You can do
anything you like with that line. Shipped is /sbin/shutdown -t3 -r now.
  There are some additional checks that are done to see who is permitted to
send that key sequence. You can for instance, insist that root is logged on.
 
    John> Just another datapoint.  The common theme seems to be c-a-d generally
    John> means reboot/shutdown, except on WinNT where it means 'get me a
    John> trusted path to the login screen'.

  Actually, it means: get a trusted window that includes an option to go
the login screen, or shutdown, or kill a task, or ...

   :!mcr!:            |  Network and security consulting/contract programming
   Michael Richardson |         Firewalls, TCP/IP and Unix administration
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	ON HUMILITY: To err is human, to moo bovine.