DmZ

#!/bin/bash

#taken from http://www.insanelymac.com/forum/topic/308533-how-to-create-a-bootable-el-capitan-iso-fo-vmware/

# Mount the installer image
hdiutil attach /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

# Create the ElCapitan Blank ISO Image of 7316mb with a Single Partition - Apple Partition Map
hdiutil create -o /tmp/ElCapitan.cdr -size 7316m -layout SPUD -fs HFS+J