>Wow, they taught us CPM in trade school, kind of reminded me of
>DOS, it had a C compiler to build the executables and such.
You mean somebody taught you an OS?! The military taught us digital
theory on circuts built with individual transistors in TO3 cans, but
there wasn't any concept of "the operating system." The circuit just did
whatever it was wired to do. (Nowadays that's called the microcode.) My
first computer as a teenager was a plastic educational toy called
"Digi-COMP I" which was programmed with drinking straws and had a
mechanical clock you cycled by hand.
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