The web page session was as follows, with exit 0 being the culprit in my
opinion.
3
3
3x
3
exit 0
bash_prompt$ ~/downloads/installs/j904/bin/jhs
JHS - J HTTP Server
if you don't see a new jijx tab in your browser,
manually browse to: http://127.0.0.1:65001/jijx
best practice:
close server with shortcut Esc-q (Escape then q) in the jijx page
Ctrl+c here signals an interrupt to J.
Segmentation fault (core dumped)
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