how to reset git to last commit code example

Example 1: git reset to commit

# 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 changes

Example 2: roll back last commit in git

git reset --soft HEAD~1

Example 3: git reset last commit

$ git reset --soft HEAD~1

Example 4: reset last commit

$ git reset --soft HEAD~1