How can I reset or revert a file to a specific revision?

Question

I have made some changes to a file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous versio

Answer 1

1. Git revert file to a specific commit

git checkout Last_Stable_commit_Number -- fileName

2.Git revert file to a specific branch

git checkout branchName_Which_Has_stable_Commit fileName