dpm's Freeware for OpenVMS page

An unhandled VMS exception simply writes the condition, signal arguments,
stack contents, and register dump to the standard output.  This is seldom
useful in production software, because:

    The user doesn't even notice the exception.
    Even if they do, they aren't aware of the implications.
    Even if they are, they don't know that they should copy the dump.
    Even if they do, they aren't quick enough.
    Even if they are, they don't remember to inform you.
    Even if they do . . .

        IT'S STILL NOT ENOUGH TO HELP YOU FIND THE BUG



If you want to use the canonical unix editor, even while logged onto a VMS box, download this zipped TPU emulation of vi I found years ago and you're all set . . . installation is quick and simple.

You should also check out the several high quality packages written by the VAXman himself.

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