Why Won't Johnny Run Linux? - Problems with Commercial Applications Commercial Apps hard to manage There is no package format accepted by all distros so commercial apps all tend to use ad-hoc installers Thus: No uniform installer No uniform uninstaller, either No unified updater -> hard to manage, security risk e.g. RealPlayer's installation notes say chmod +x RealPlayer10GOLD.bin ./RealPlayer10GOLD.bin Requires manual editing of .bashrc, menus!