The website front page does not show a Pharo program being invoked from the OS command-line and using stdio.
""" $ curl https://get.pharo.org | bash $ ./pharo Pharo.image eval "42 factorial" """
— nobody hit the Enter key?
— the program does nothing?
— the program does something but there was no output?
— there was output but not to stdout?
etc etc
$ curl https://get.pharo.org | bash $ ./pharo Pharo.image eval "42 factorial"
How many would be able to say that `Hello, world` was correct?
""" $ curl https://get.pharo.org | bash $ ./pharo Pharo.image eval "42 factorial" """