Switch to the master branch
git checkout master
Create a file, add some content and commit the changes
vi <new-file-name>.txt
git add <new-file-name>.txt
git commit -m "Added <new-file-name>.txt"
Check the last commit (Note the ID for the next step)
git log -n 1
Revert the last commit
git revert <commit-hash>
Check the log to see the reverted commit
git log --oneline
END OF LABS HOME