revert commits in git code example

Example 1: revert git commit

git revert <the_commit_hash>

Example 2: git revert all commits to pervious commit

git revert --no-commit <commithash>..HEAD #revert changes in range of commits from head to back to that commit hash

Example 3: how discharge changes e recover last commit git

git reset HEAD --hard

Example 4: how to revert a git revert

git revert <commitHashOfTheRevert> # locate the hash the revert was done 
                             #this will invert the changes made in that commit
                             #and preserve the git history