

This will change ‘ BootDisk‘ to ‘ OS X Base System‘ This puts you back in the Finder in front of the newly mounted InstallESD.dmg, go back to Terminal and clone the BaseSystem.dmg to the remote USB drive sudo asr restore -source /Volumes/OS\ X\ Install\ ESD/BaseSystem.dmg -target /Volumes/BootDisk/ -erase -noverify

Swap to the newly mounted image cd /Volumes/InstallESD.dmg Mount the InstallESD.dmg buried deep in the app hdiutil attach /Applications/Install\ OS\ X\ Mavericks.app/Contents/SharedSupport/InstallESD.dmg -noverify Just for the crazy ones……after Mavericks is downloaded….and again this assumes you external disk is named BootDisk You can now select the USB Drive you just created.If you want all to return back to normal and hide the system files run a couple more commands in the Terminal defaults write AppleShowAllFiles FALSE killall Finder How to create the OSX 10.9 Mavericks Bootable Drive just via Terminal

Restart your computer and hold down “Option”. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install\ OS\ X\ Mavericks.app –nointeraction If you change this the next step won’t work 3. IMPORTANT – Leave the name as “Untitled”. Ensure that the format is Mac OS Extended (Journaled).Plug the USB Drive in to your Mac and open “Disk Utility” (found under applications / utilities in finder).Prepare a USB Flash Drive (Must be 8Gb or larger) Mavericks can be downloaded directly from Apple here (make sure you leave the file in the default download location) 2. In this article I will assume that you already have a reasonable grasp of the OSX system and cut out the lengthy text: 1. There are many ways that you can create a bootable Mavericks USB Drive but this seems to me the far easiest way to do so.

This article has now been superseded by our Bootable Yosemite USB Guide
