I'm sorry I am giving up on this.

You played with the terminal commands for too long. You were instructed by Vulcan not to run commands through the terminal but you chose not to follow those instructions for a second time. A wrong terminal command (similar to the one you gave) can kill the drive instantly. Just a one letter command can do this. And I certainly don't want to get involved in something like this.

Maybe some other pro can help you further.
Sorry.

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If it was not toast from the beginning, now a cold has become a bad pneumonia.

thanks for trying I guess.

i know the fears out there about the wrong command, but in my case they were only diagnostic, except for the BSY related stuff. In any case, the drive seems to operate as it did at the start of the problems.

well please wish me luck with a data recovery group. I have been considering this group in Miami.