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Re: Re-virginating Manipulates?
> In the Cell menu, "Delete All Output" will get rid of all of the > output, print, and message cells, which goes a long way toward what > you want. Of course, there may be latent kernel state which you'll > need to flush. And the only absolutely sure way of doing that is to > quit the kernel. Evaluation->Quit Kernel->Local will do it, or you > can just evaluate > > Quit > > in a new cell. > > Sincerely, > > John Fultz Thanks much. As I'm sure you know, some apps have a Revert command (often in the same menu as their Save and Open commands), which generally means "Revert to last Saved version" and which can be handy -- but of course this applies only to documents, not the app itself; and it can be dangerous in the case of apps that periodically do auto-Saves on docs without visible indication to the user. It's always surprised me, frankly, that Mathematica doesn't have a built-in "Clean Slate" facility for its kernel that would be equivalent to executing a "Quit Kernel, then Restart Kernel" command (although there was a third party (?) command or utility with this name in some earlier version, was there not?). Must be somehow hard to do this?