create branch from a branch code example
Example 1: git create new branch
// create and checkout new branch in one line
git checkout -b new_branch
Example 2: create a new branch based on another branch
//when on branch 'dev' make branch 'myFeature' off of 'dev'
git checkout -b myfeature dev
Example 3: git command to create a branch from another branch
$ git checkout -b myfeature dev