=over 4
-=item B<--help>
+=item B<-h> | B<--help>
Shows a brief help screen.
-=item B<--version>
+=item B<-v> | B<--version>
Show information about program, Claws Mail and Perl-GTK versions.
-=item B<--verbose>
+=item B<-b> | B<--verbose>
Tells more on the standard output.
-=item B<--alternate-config-dir> I<dirname>
+=item B<-a> | B<--alternate-config-dir> I<dirname>
Uses I<dirname> as Claws Mail configuration directory.
-=item B<--clawsrc> I<filename>
+=item B<-c> | B<--clawsrc> I<filename>
Uses I<filename> as Claws Mail resource configuration file. This sets
the full file name overriding any previous setting.