Requirements:
- USB disk with at least 8GB size
- Download the Mavericks update, Do not install. (OSX cleans installation files upon installation)
- This drive can be used for fresh install of OS X 10.9 Mavericks.
Process:
- Insert USB disk and use Disk Utility to erase the disk.
This will erase and create a empty disk with name “Untitled”. - Start “Terminal” app, and run following command,
sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X Mavericks.app --nointeraction
- System will ask you for a password. Enter and wait till the process completes.
WARNING: Improper use of the sudo command could lead to data loss
or the deletion of important system files. Please double-check your
typing when using sudo. Type "man sudo" for more information.
To proceed, enter your password, or type Ctrl-C to abort.
Password:
Erasing Disk: 0%... 10%... 20%... 30%...100%...
Copying installer files to disk...
Copy complete.
Making disk bootable...
Copying boot files...
Copy complete.
Done.
And it is done!