Many a times, there are changes made to the code on the GitHub repository which you would need to apply on your cloned git version to continue the work done by the others. This requires cherry-pick a commit hash from github. This page helps in knowing how you can cherry-pick commit from Github repository and start with your work on top of it.
Git provides a various set of commands to operate the repository on our local setup. Eg.
git clone to copy the repo from the upstream,
git status to check what files, etc are changed,
git commit to save our changes,
pull to update and retrieve from the upstream. Here are some other useful git commands which are mostly used by users in following cases.