-source thirdparty_install/share/creatools/ThirdParty-install-Base-Stuff.sh $OperatingSystem
-source thirdparty_install/share/creatools/ThirdParty-bashrc.sh
-source creatools_install/share/creatools/CreaTools-bashrc.sh
+ case "$OperatingSystem" in
+ Mandriva)
+ echo Root password:
+ su -c "urpmi aria2"
+ ;;
+ Fedora)
+ echo Root password:
+ su -c "yum install aria2 -y"
+ ;;
+ Ubuntu)
+ echo Root password:
+ su -c "apt-get --yes install aria2"
+ ;;
+ MacOS)
+ port install aria2 -y
+ ;;
+ *)
+ echo " '$OperatingSystem' : Unknown (for us...) Operating Sytem "
+ echo " Allowed values are (right now) Fedora, Ubuntu, MacOS "
+// exit 0
+ ;;
+ esac