xpenguins-stop --version (return code: 0)
/usr/bin/xpenguins-stop: 4: kill: Usage: kill [-s sigspec | -signum | -sigspec] [pid | job]... or
kill -l [exitstatus]
xpenguins-stop --help (return code: 0)
/usr/bin/xpenguins-stop: 4: kill: Usage: kill [-s sigspec | -signum | -sigspec] [pid | job]... or
kill -l [exitstatus]