Back in the day, pretty much all Forth implementations were standalone operating systems, or at least capable of being run stand-alone. This was one of its grea

Back in the day, pretty much all Forth implementations were standalone operating systems, or at least capable of being run stand-alone. This was one of its great virtues--you could port it to new hardware in an afternoon. Just write disk block I/O, console I/O, write the image to disk blocks (or maybe ROM if you were embedded) and get a boot loader going.