scratch -V (return code: 1)
Executing: /usr/lib/squeak/4.10.2-2614/squeakvm -encoding UTF-8 -vm-display-x11 -plugins /usr/lib/scratch/plugins/:/usr/lib/squeak/4.10.2-2614/ /usr/share/scratch/Scratch.image /tmp/sandpit/--version
Could not open display `(null)'.
scratch --help (return code: 0)
Usage: scratch [--help] [--param value] [-vmopt value] [arg value]
where --param is --vm, --image, or --document;
-vmopt is an option passed to the Squeak VM;
and args are passed to the Squeak image.