st: interactive terms in command line

["tutor um" <tutor2005um@googlemail.com>]

Hi everybody,

I have a small question conserning the use of interactive terms in the
command line. Instead of previously generating new variables I would
like to interact variables directly when entering the regression
equation in the command line, e.g. regress y x*z. Does anybody know a
shortcut?

I appretiate your help!
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