correct chog, there are also some command related to rundll32.exe :
rundll32.exe shell32.dll,SHExitWindowsEx 1 -> shutdown
rundll32.exe shell32.dll,SHExitWindowsEx 2 -> restart
rundll32.exe shell32.dll,SHExitWindowsEx 8 -> shutdown and turn off power.
rundll32.exe shell32.dll,SHExitWindowsEx 4 -> force a shutdown
rundll32.exe shell32.dll,SHExitWindowsEx 0 -> Log Off only.
note those command are for winMe and 98 users.
cheers.