gelemental -V (return code: 1)
Cannot open display:
Run 'gelemental --help' to see a full list of available command line options.
gelemental --help (return code: 0)
Usage:
gelemental [OPTION?]
A periodic table viewer with detailed information on elements.
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gtk Show GTK+ Options
Application Options:
-p, --print=SYMBOL_OR_NUMBER Print information on the indicated element(s) to standard output
-s, --show=SYMBOL_OR_NUMBER Show the properties dialog for the indicated element(s)
-i, --interactive Display the table even if data have been printed to standard output
--display=DISPLAY X display to use