> demo()
> help.start()
Making links in per-session dir ...
sh: /usr/share/R/sh/help-links.sh: No such file or directory
If '/usr/bin/firefox' is already running, it is *not* restarted, and
    you must switch to its window.
Otherwise, be patient ...
Warning message:
cannot create HTML package index in: make.packages.html()


#demo() should be verbose and help(mean) should be verobse but they are not