One of the things we all do when we use git is to create a .gitignore file in the root of the GIT repository. But what if you find yourself ignoring the same files time after time?
Luckely you can create a global and/or a system wide ignore file.
So here is the global way of doing it (per user):
git config --global core.excludesfile ~/.gitignore_global
And here is the system way (per computer):