how to remove all commits in git code example

Example 1: git remove commit

# Removes latest commit from the stash, KEEPS changes
git reset --soft HEAD~

# Removes latest commit from the stash, DELETES changes
git reset --hard HEAD~

Example 2: git clear commits

git reset --hard origin

Example 3: git remove all local commits

git reset --hard origin/<branch_name>

Example 4: delete commit

git checkout master
git reset --hard e3f1e37
git push --force origin master
# Then to prove it (it won't print any diff)
git diff master..origin/master