Portable Ubuntu for Windows is a compact yet complete Ubuntu system that can be executed directly in Windows as if it were a regular software application designed for the windows operating system.This can be downloaded here.
Firmware and boot ROM version of your mac can be found in two ways.  Way 1 :  1. From "Apple" menu , choose "About This Mac" menu item. 2. Click " More Info " to open "System Profiler" application. 3. Under Contents -> Select Hardware Tree item.  On the right side panel Under hardware overview section, we can see Boot ROM Version and SMC (Firmware) Version.          Way 2 :  Run the below command in terminal to get boot ROM version and SMC(firmware) version :  $ system_profiler SPHardwareDataType | grep -i "Version" | awk -F ':' '{print $1 $2}'