[dayglored]

> I heard there was an “A” language - the only thing left of it was a.out in UNIX, and a.exe in gcc.

Pretty sure that "A" language was "Assembly". "a.out" was the (binary) output of the assembler program.

https://en.wikipedia.org/wiki/A.out

[dfwgator]

I assume “B” was for ‘BASIC’.