git status

git log
git log --oneline --graph --all --decorate

git config --global alias.lg "log --oneline --graph --all --decorate"

git diff HEAD

git reset --hard

git checkout somebranch

git checkout -b thenewbranch

git stash
# check out the other branch...
git stash pop

git checkout main
git merge featurebranch

git fetch             # makes local aware of changes in remote
git checkout main     # in this example we wish to update main
git merge origin/main # merges main from GitHub into local main