git checkout-b

`git checkout -b` is a Git command used to create and switch to a new branch in one step. It combines two separate commands: `git branch` and `git checkout`.

The `-b` option creates a new branch with the given name, and then checks it out. For example, if you want to create a new branch called "feature-branch" and switch to it, you can use the following command:

git checkout -b feature-branch

This command is useful when you want to start working on a new feature or bug fix in a separate branch without interrupting your current work on the main branch.