when to use the command InvokeApplication and SystemUtil.Run

[Shubhangi]

Invokeapplication is mostly used for backward compability below(QTP 6)

Syntax : InvokeApplication("Full URL as Parameter")

Systemutil.run

Syntax : SystemUtil.Run ( FileName, Parameters, Path, Operation )

Note : When you specify an application to open using the Record and Run Settings dialog box, QuickTest does not add a SystemUtil.Run statement to your test.