24 Oct
2016
24 Oct
'16
1:33 p.m.
On 24 October 2016 at 03:15, Mouse <mouse at rodents-montreal.org> wrote:
I disagree. I see nothing about "a single-user OS without background
processing" that would prevent a virus from infecting other programs,
even including the OS, when it's run, and potentially doing something
else as well.
Exactly. This. I agree. MS-DOS was a single-user OS without background
processing, but it had legions of viruses.
I don't think CP/M had TSRs as such...
https://en.wikipedia.org/wiki/CP/M#TSR_.28Terminate-and-Stay-Resident.29_pr…
... but that doesn't mean it was totally impossible to get into RAM
and stay there, does it?
--
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