4th - 3.61.5-1 - 4th forth compiler

opkg update
opkg install  4th
nano /mnt/sda1/helloworld.4th
.( Hello World!) CR
root@Arduino:/mnt/sda1# 4th CX  helloworld.4th
4tH library v3.61 - Copyright 1994,2012 J.L. Bezemer
Hello World!


4th manual

http://thebeez.home.xs4all.nl/4tH/4tHmanual.pdf

4th Forum


https://groups.google.com/forum/#!forum/4th-compiler