how to roll back master code example

Example 1: git how to roll back to a commit

//git use a new commit to replace an old commit,commit moves foward not backward
git revert <commit hash>
//Git goes back one spot on the log,undone this commit and go backward one commit:
git reset HEAD~1
//Git looks for and rolls back to a certain file:
git checkout commit-hash-here -- file/location/and/name

Example 2: how to revert to log in git

git revert --no-commit 0766c053..HEAD
git commit