What's use of HOST command

Urgent please
In PL/SQL how can I call notepad ?? is the command HOST useful here ? If yes, how ?
Regards

We can use a java stored procedure to run OS commands. This is the most common use of java in the database. You can find the estimable Mr Kyte's implementation at AskTom.
I assume Notepad is just a random example, because PL/SQL is not interactive and I would guess that you won't actually be able to do anything useful by calling notepad from the database. Although if you do manage to do something useful let us know!
Cheers, APC

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