Useful Windows Desktop Shortcut Definitions

Show Desktop

  command line: "%windir%\system32\Show Desktop.scf"
      start in: %windir%

Lock Workstation

  command line: "%windir%\system32\rundll32.exe user32.dll,LockWorkStation"
      start in: %windir%
  shortcut key: Ctrl + Alt + L

Sleep/Suspend Workstation

  command line: "%windir%\system32\rundll32.exe powrprof.dll,SetSuspendState"
      start in: %windir%
  shortcut key: Ctrl + Alt + S