# reset to specefic commit
git reset --hard <commit id>
# to go back one step
git reset --hard HEAD~1
# note: use --soft to keep file changesgit reset --soft HEAD^
//resets head by 1git reset --hard f414f31
git reset --soft HEAD@{1}
git commit -m "Reverting to the state of the project at f414f31"
git update-ref -d HEAD
git revert --no-commit 0766c053..HEAD
git commit
# rollback to commit state
git revert --no-commit 0766c053..HEAD
git commit