[setup]
mkdir <project-dir>
cd <project-dir>
git init
[configure remote origin #connecting to remote]
[pre-requisite: setup]
[ensure any existing local changes on master are pushed or stashed so working dir is clean]
git fetch --all
OR
git fetch <exististing-remote-feature-branch>
git pull origin master
git branch -r
git checkout --track origin/<exisiting-remote-feature-branch>
[example:git checkout --track origin/new-feature-a]
[make and commit changes]
[remote tracking branch already set so only need:]
git push
[verify remote tracking branch]
git branch -vv