How to keep git from tracking all files that end with a “~”?

Question

I\'m using Gedit, and each time I save a file, Gedit creates a copy of it, and the name of the copy always ends with a ~. The problem is, Git always tries to track these fil

Answer 1

Just complementing the answers:
If you have tilde files with extension, like Sketchup, which creates backup files ending with "~.skp", then you need to add *~.skp in your .gitignore file. Or change skp for the extension of the software you are using. Or use *~.* if you are sure that all files ending with tilde with all extensions are safely to be ignored.