You can easily add aliases for common git commands with one of the following ways:
Use the command line
git config --global alias.co checkout
git config --global alias.ci commit
git config --global alias.st status
git config --global alias.br branch
git config --global alias.df diff
git config --global alias.mg mergeEdit directly the .gitconfig file located in your home directory
vim ~/.gitconfigand then add
[alias]
co = checkout
ci = commit
st = status
br = branch
df = diff
mg = mergeNow you can run git commands like
git co
git ci
git st
git br
git df
git mg