how to unstaged file in git code example

Example 1: discard unstaged changes git

#For all unstaged files in current working directory use:
git checkout -- .
#For a specific file use:
git checkout -- path/to/file/to/revert

Example 2: git delete unstaged files

git clean -df

Example 3: how to unstage a commit

git reset HEAD~

Example 4: git unstage file\

# unstage file before commit
git rm --cached <file_name>

Example 5: Why are there two ways to unstage a file in Git?

git rm --cached <filePath>