After startup:
Bring up dialogue for shutdown/sleep/restart........... POWER
Eject a Floppy Disk.................................... CMD-SHIFT-1 or(2) or (0)
Force current app to quit.............................. CMD-OPT-ESC
Unconditionally reboot................................. CTRL-CMD-POWER
Fast Shutdown.......................................... CTRL-CMD-OPT-POWER
Goto the debugger (if MacsBug is installed)............ CMD-POWER
Reset Power Manager on PowerBooks...................... USE THIS LINK
Put late model PowerBooks & Desktops to sleep.......... CMD-OPT-POWER