Oh arse.

Me too. Sadly, even though I used TSR programmes and may even have
written a couple, I can't recall what the benefit was. Err, they were
DOS, weren't they?

I *can* recall hacking naughty ring-zero drivers for Windows
three-point-something (I think) that allowed applications to use a
callback function, thus circumventing the protection system. We used
it to write test software that could access the entire system IIRC..

 

Is the right answer

 

OORC yes. I had a mouse driver, and maybe a memory driver that were
TSR's. I *think* the benefit was that they effectively changed the
system behaviour. So the mouse driver ran, changed the way the system
worked (i.e. allowed mouse input) and the stopped using resources.

This was about 20 years ago though, so I reserve the right to be talking
utter crap.

Sounds like a blast.


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i think it was bought out by wizards of the coast.