: It is commonly used for "clean installs" where the internal drive is wiped before installing the OS. Installation Prerequisites
sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/InstallMavericks --applicationpath /Applications/Install\ OS\ X\ Mavericks.app --nointeraction
If you search "OSX Mavericks 10.9 Bootable Install ISO WebDude" on Reddit, you will see common errors. Here is how to fix them: