You can open some special system windows by performing some of the following commands, some of the following parameters may be invalid under Win2000, you can try it. I tried it on XP. Command Column: Rundll32.exe Shell32.dll, Control_Rundll Features: Display Control Panel Command Columns: Rundll32.exe Shell32.dll, Control_Rundll Access.cpl ,, 1 Features: Display "Control Panel - Auxiliary Options - Keyboard" option window command column: Rundll32.exe shell32.dll, control_rundll access.cpl, 2 function: Display "Control Panel - Auxiliary Options - Sound" option window command column: rundll32.exe shell32.dll, control_rundll access.cpl, 3 function: display "control Panel - Auxiliary Options - Display "Options Window Command Columns: Rundll32.exe Shell32.dll, Control_Rundll Access.cpl, 4 Function: Display" Control Panel - Auxiliary Options - His Mouse "option window command column: rundll32.exe shell32.dll , 4Rundll Access.cpl, 5 Function: Display "Control Panel - Auxiliary Options - Traditional" option Window Command Columns: Rundll32.exe Shell32.dll, Control_Rundll Sysdm.cpl @ 1 Function: Execute Control Panel - Add New Hardware Wizard. Command Columns: Rundll32.exe Shell32.dll, ShhelpShortcuts_Rundll Addprinter Features: Execute Control Panel - Add New Princess Wizard. Command Columns: Rundll32.exe Shell32.dll, Control_Rundll AppWiz.cpl, 1 Function: Display "Control Panel - Add / Remove Program - Install / Uninstall" panel. Command Columns: Rundll32.exe Shell32.dll, Control_Rundll AppWiz.cpl, 2 Features: Display "Control Panel - Add / Remove Program - Installing the Windows" panel. Command Columns: Rundll32.exe Shell32.dll, Control_Rundll AppWiz.cpl, 3 [Win2k Invalid] Function: Display "Control Panel - Add / Delete Program - Start Disk" panel. Command Column: Rundll32.exe Syncui.dll, BRIEFCASE_CREATE [Win2k Invalid] Function: Create a new "My Briefcase" on the desktop. Command Columns: Rundll32.exe Diskcopy.dll, DiskCopyRundll Features: Display Copy Soft Disk Window Command Columns: Rundll32.exe AppWiz.cpl, NewlinkHere% 1 [Win2k Invalid] Function: Display "Establish Shortcut" dialog, established The location of the shortcut is determined by% 1 parameter. Command Column: Rundll32.exe shell32.dll, control_rundll timedate.cpl, 0 function: Displays the Date and Time option window. Command Columns: Rundll32.exe shell32.dll, control_rundll timedate.cpl, 1 function: Displays the Time Zone option window. Command Column: Rundll32.exe Rnaui.dll, RNADial [Name of a Dial-up Connection] [Win2k Invalid] Features: Displays dial-up window for a dial-up connection. If you have dial-up, display the window of the current connection state. Command Columns: Rundll32.exe Rnaui.dll, RNawizard [Win2k Invalid] Function: Displays the Window of the New Dial-up Connection wizard.