To get started with OwnROM, you'll need to get familiar with Git and Repo.
First: Open a terminal
cd Desktop
mkdir OwnROM
cd OwnROM
To initialize your local repository using the OwnROM trees, use a command like this:
repo init -u git://github.com/OwnROM/android -b own-o
Then to sync up:
repo sync
To setup the build environment:
. build/envsetup.sh
Configure the build environment for specific device:
lunch
Start the build:
brunch <device>