[TUHS] forth on early unix

[Dave Horsfall via TUHS]

On Sun, 21 Sep 2025, Warner Losh wrote:

> The final loader was written in 4th (it's still in the tree) and handled 
> the scripting around booting...  We added lua several years ago and are 
> phasing 4th out (14 was going to be the last release with it, but it 
> lives on in 15 since lua uses more stack than 4th and some combos of 
> options are too large on BIOS systems with a ~550k limit) 

But, but, nobody needs more than 640K :-)

-- Dave