SWPNOBOOT
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  Function : Prevent the user from rebooting the computer

  Syntax   : lValue = SWPNOBOOT(lFlag)

  Return   : The previous setting

  Default  : Disabled

  This function is used to enable or disable trapping of the
  <CTRL><ALT><DEL> keystroke sequence while the kernel is resident during
  the swap, preventing the user from soft rebooting while a program is
  swapped out.  Please note that this mechanism does not function under
  DesqView or similar environments which hook the keyboard vector and look
  for this key sequence, since such software intercepts the keystroke
  before it gets to the swap kernel.