Shell Statement:

The shell statement creates a new process that executes the required argument, command. Command is any valid DOS statement.

Shell command
Example Usage:
Open the properties window of Personal Web Server (on the server)
<% Shell "c:\windows\system\inetsrv\pws /properties" %>

Open Notepad (on the server)
<% Shell "notepad" %>

Register a component (some.dll) on the server. 
The component must already be in the specified directory
<% Shell "Regsrv32 C:\WINNT\System32\some.dll" %>
ASP Source Code:
Private Sub Shell(byVal command)
	dim wshShell, boolErr, strErrDesc
	On Error Resume Next
	Set wshShell = CreateObject("WScript.Shell")
	wshShell.Run command
	if Err Then 
		boolErr = True
		strErrDesc = Err.Description
	end if
	Set wshShell = Nothing
	On Error GoTo 0
	if boolErr then Err.Raise 5105, "Shell Statement", strErrDesc
End Sub