Git reference
From thelinuxwiki
git - distributed revision control system
4 main commands
1. git pull project_name <<< update local code revision
cd ~/src/droidpod get pull droidpod
2. git push project_name
3. git add src_code_filename <<< adds src code to commit queue example:
git add DroidPod.java
4. git commit -m comment-about-commit