"rundll32.exe user32.dll,LockWorkStation" - Switch user"shutdown -l -t 00" - Log off"shutdown -r -t 00" - Restart"shutdown -s -t 00" - Shutdown"shutdown -a" - Abort restart/shutdown
From http://www.onecomputerguy.com/windowsxp_tips.htm:
appwiz.cpl Add/Remove Programsdesk.cpl Display Propertiesfirewall.cpl Firewall Settingsinetcpl.cpl Internet Optionsmmsys.cpl Sound and Audioncpa.cpl Network Connectionsnusrmgr.cpl User Accountspowercfg.cpl Power Optionssysdm.cpl System Propertieswscui.cpl Security Centerwuaucpl.cpl Automatic Updates ConfigurationSHRPUBW.EXE Share multiple directories on your network