branch of another branch git code example

Example 1: git new branch

$ git checkout -b [your_branch_name]
# Switched to a new branch [your_branch_name]

# This is shorthand for:
$ git branch [your_branch_name]
$ git checkout [your_branch_name]

Example 2: create a new branch from existing branch in git

git checkout -b subbranch_of_b1 branch1