I wouldn't say this was it's "typical" usage, but the only time I personally have written Forth was when editing FreeBSD bootloader: https://www.freebsd.org/cg

I wouldn't say this was it's "typical" usage, but the only time I personally have written Forth was when editing FreeBSD bootloader: https://www.freebsd.org/cgi/man.cgi?query=loader%288%29 https://www.freebsd.org/cgi/man.cgi?query=loader%288%29