On Mon, Jun 22, 2026 at 8:36 AM Paul Koning via cctalk < [email protected]> wrote:
> > >> On Sat, 20 Jun 2026, ben via cctalk wrote: > >>> PL/1 and C are the only two high level languages a operating system is > written in, that I can think of that are well documented, and easily found > on the WEB. > > That clearly is not even close to true. There is ALGOL (or rather its > dialect ESPOL) used by Burroughs. There's CYBIL, used by CDC. There's > BLISS, used by DEC. And if you include embedded RTOS, there's FORTH. > > Just a couple I can think of in 30 seconds. Let's not forget HP's SPL used to write the HP 3000's MPE operating system, on a machine that never had/needed an assembler. G.
