Git

  git log --oneline --graph --decorate --all

  tig --all

  git rm --cached -r .

  git reset --hard

  git reset --hard origin/mybranch

  git clean -f -d 

  git checkout origin/master -- myfile.txt

  git checkout -- .

git reset --soft HEAD^

git reset HEAD^

# HEAD^ means the first parent of the tip of the current branch.

# HEAD~ means the first parent of the tip of the current branch.

git reset --hard HEAD^

  sudo apt-get install zsh

  sudo apt-get install git-core

  sudo wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

  chsh -s `which zsh`

  sudo shutdown -r 0

  cd /path/to/my/repo

  git init

  git remote add origin <url do repositório>

  git pull origin master

  git push origin master

  git branch -a

  git checkout -b experimental origin/experimental

  git checkout origin/experimental

  cd /tmp

  git clone --mirror git://example.com/some-big-repo.git

  java -jar bfg.jar --strip-blobs-bigger-than 100M some-big-repo.git

  cd some-big-repo.git

  git reflog expire --expire=now --all && git gc --prune=now --aggressive

  git push

  cd ..

  git rev-list --objects --all | sort -k 2 > allfileshas.txt

  git gc && git verify-pack -v .git/objects/pack/pack-*.idx | egrep "^\w+ blob\W+[0-9]+ [0-9]+ [0-9]+$" | sort -k 3 -n -r > bigobjects.txt

  for SHA in `cut -f 1 -d\  < bigobjects.txt`; do

    echo $(grep $SHA bigobjects.txt) $(grep $SHA allfileshas.txt) | awk '{print $1,$3,$7}' >> bigtosmall.txt

  done;

  git add -u 

   git rm --cached <file>