On Tue, 28 May 2024, John via cctalk wrote:
Even putting aside what
"handles IRQs" means here (yes, strictly speaking the IRQs on the IBM
PC are handled by the BIOS and/or add-on drivers/utilties, but DOS most
certainly makes use of the facilities provided,)
Installed add-on drivers/utilities become part of the OS.
BIOS??!?
"DOS est omnis divisa in partes tres: BIOS, BDOS, Command processor"
So what, then, consitutes a Real Operating System, and
WHY?
--
Grumpy Ol' Fred cisin(a)xenosoft.com