git is a popular revision control software used to track changes of files/directories. git works particularly well with plain text files (program source files, .tex files etc) , but binary files work too. It is a great tool to handle your daily scientific workflows, such as tracking code changes, paper drafts and data files, merge changes from your coworkers, among other possibilities. This class will introduce essential features of git, followed by how to use free repository hosting services such as github.com and bitbucket.org to make team collaboration easy and effective. Sign up here