git init

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git add file-name

or unstage with

git restore --staged file-name

or revert file to it's last staged version

git restore file-name

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git commit -m 'what you have changed'

you can also change your latest commit:

git commit --amend -m 'what I have changed'

Or revert a file to the latest commit:

git checkout commit-id~1 -- file1/to/restore file2/to/restore

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To list all (remote and Local branches):

git branch -a

To change name of current branche:

git branch -m new-name

git branch -b new-branche-name

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git config --global credential.helper cache

or remove them

git config --global --unset credential.helper

…and keep original date …except the first commit. See next section for that

git rebase -r IdOfCommitX --exec 'git commit --amend --no-edit --reset-author --date="$(git log -n 1 --format=%aD)"'

git cherry-pick firstCommitID --edit
git commit --allow-empty

you may have to remove some new commits created in the proccess