--help or -h => will display a basic help menu
--sound or -s => will enable sound redirection
--loginscreen or -l => will customize the xRDP login screen
--remove or -r => will remove the xrdp package
--custom or -c => will perform a custom installation (i.e. compiled from sources)
./xrdp-installer-1.4.sh
./xrdp-installer-1.4.sh -s (this would enable the sound redirection)
./xrdp-installer-1.4.sh -l (this would customize the xrdp login screen -see here)
./xrdp-installer-1.4.sh -s -l (this would enable the sound redirection and customize the xrdp login screen)