Git: How to remove and Ignore DS_Store file

 When you work with Git  in a Mac. You might notice  .DS_Store file is added to your git commit unintentionally. 

Remove .DS_Store File 

If the  DS_Store File already added to your git report. first remove the file.

find . -name "*.DS_Store" -type f -delete

https://askubuntu.com/questions/377438/how-can-i-recursively-delete-all-files-of-a-specific-extension-in-the-current-di

Ignore .DS_Store File in your git commit
echo .DS_Store >> ~/.gitignore_global
And let git know that you want to use this file for all of your repositories:
git config --global core.excludesfile ~/.gitignore_global

Find Details here : git ignore