Bootable USB Drive for OS X El Capitan

elcapitan-bootable-usb.sh

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# This script assumes 2 things
# 1. One have already downloaded the El Capitan ( /Applications/Install OSX El Capitan.app) installer through Appstore or at leaast put "Install OSX El Capitan.app" into the /Apps folder
# 2. A fresh 8 GB+ USB Memory is inserted and have the name "Untitled"
#
# Installation instructions:
# 1. Insert a USB stick into your computer (it will be totally erased - make sure you backup your important files on that USB)
# 2. Open up a terminal (Terminal.app, iTerm etc)
# 3. Fire up Disk utilities 
# - I.e `open /Applications/Utilities/Disk\ Utility.app`
# 4. Erase your USB and create a OSX Journal partition called "Untitled" (this is important). Wait for it to be completed.
# 5. Run the following command below:
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sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction


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# You should now see something like:
# sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction
# Password:
# Erasing Disk: 0%... 10%... 20%... 30%...100%...
# Copying installer files to disk...

# Wait and drink a cup of coffee
# If you want to know some stats (Read/write speed), you can fire up another terminal (or tab), i.e <Apple button>+T and run this command:

iostat -d 1