When invoked it simply spawns child \fIsudo\fR or \fIsu\fR process with requested \fIcommand\fR (and optional \fIarguments\fR). If \fIsudo\fR/\fIsu\fR requests user's password,
the GUI password dialog is shown and (after submit) the password is provided to backend.
.SHOPTIONS
\fBoption\fR is one of:
.br
-h|--help Print help.
.br
-v|--version Print version information.
.br
-s|--su Use \fBsu\fR as backend (instead of the default \fBsudo\fR).